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sdrangel/sdrbase/dsp/interpolatorsif.h

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SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2019 Edouard Griffiths, F4EXB //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_SDRBASE_DSP_INTERPOLATORSIF_H_
#define INCLUDE_SDRBASE_DSP_INTERPOLATORSIF_H_
#include "dsp/dsptypes.h"
#ifdef USE_SSE4_1
#include "dsp/inthalfbandfiltereo1.h"
#else
#include "dsp/inthalfbandfilterdb.h"
#endif
#define INTERPOLATORS_HB_FILTER_ORDER_FIRST 64
#define INTERPOLATORS_HB_FILTER_ORDER_SECOND 32
#define INTERPOLATORS_HB_FILTER_ORDER_NEXT 16
template<uint OutBits, uint InBits>
struct interpolation_shifts_float
{
static constexpr float post1 = 1.0f;
static const uint pre2 = 0;
static constexpr float post2 = 1.0f;
static const uint pre4 = 0;
static constexpr float post4 = 1.0f;
static const uint pre8 = 0;
static constexpr float post8 = 1.0f;
static const uint pre16 = 0;
static constexpr float post16 = 1.0f;
static const uint pre32 = 0;
static constexpr float post32 = 1.0f;
static const uint pre64 = 0;
static constexpr float post64 = 1.0f;
};
template<>
struct interpolation_shifts_float<16, 16>
{
static constexpr float post1 = (1<<0)*32768.0f;
static const uint pre2 = 1;
static constexpr float post2 = (1<<1)*32768.0f;
static const uint pre4 = 2;
static constexpr float post4 = (1<<2)*32768.0f;
static const uint pre8 = 3;
static constexpr float post8 = (1<<3)*32768.0f;
static const uint pre16 = 3;
static constexpr float post16 = (1<<3)*32768.0f;
static const uint pre32 = 3;
static constexpr float post32 = (1<<3)*32768.0f;
static const uint pre64 = 3;
static constexpr float post64 = (1<<3)*32768.0f;
};
template<>
struct interpolation_shifts_float<16, 12> // never used, just an example
{
static constexpr float post1 = (1<<4)*2048.0f;
static const uint pre2 = 1;
static constexpr float post2 = (1<<5)*2048.0f;
static const uint pre4 = 2;
static constexpr float post4 = (1<<6)*2048.0f;
static const uint pre8 = 3;
static constexpr float post8 = (1<<7)*2048.0f;
static const uint pre16 = 3;
static constexpr float post16 = (1<<7)*2048.0f;
static const uint pre32 = 3;
static constexpr float post32 = (1<<7)*2048.0f;
static const uint pre64 = 3;
static constexpr float post64 = (1<<7)*2048.0f;
};
template<uint OutBits, uint InBits>
class InterpolatorsIF
{
public:
// interleaved I/Q input buffer
void interpolate1(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate2_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate2_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate2_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate4_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate4_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate4_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate8_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate8_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate8_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate16_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate16_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate16_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate32_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate32_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate32_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate64_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate64_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
void interpolate64_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ = false);
private:
#ifdef USE_SSE4_1
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_FIRST> m_interpolator2; // 1st stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_SECOND> m_interpolator4; // 2nd stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator8; // 3rd stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator16; // 4th stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator32; // 5th stages
IntHalfbandFilterEO1<INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator64; // 6th stages
#else
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_FIRST> m_interpolator2; // 1st stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_SECOND> m_interpolator4; // 2nd stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator8; // 3rd stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator16; // 4th stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator32; // 5th stages
IntHalfbandFilterDB<qint32, INTERPOLATORS_HB_FILTER_ORDER_NEXT> m_interpolator64; // 6th stages
#endif
};
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate1(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
if (invertIQ)
{
for (int pos = 0; pos < len - 1; pos += 2)
{
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+1] = (float) ((**it).m_real >> interpolation_shifts<OutBits, InBits>::post1);
buf[pos+0] = (float) ((**it).m_imag >> interpolation_shifts<OutBits, InBits>::post1);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
else
{
for (int pos = 0; pos < len - 1; pos += 2)
{
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) ((**it).m_real >> interpolation_shifts<OutBits, InBits>::post1);
buf[pos+1] = (float) ((**it).m_imag >> interpolation_shifts<OutBits, InBits>::post1);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate2_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[4];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 3; pos += 4)
{
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre2;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre2;
// intbuf[2] = 0;
// intbuf[3] = 0;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post2);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate2_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[8];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[5];
bufQ1 = &intbuf[4];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[4];
bufQ1 = &intbuf[5];
}
for (int pos = 0; pos < len - 7; pos += 8)
{
memset(intbuf, 0, 8*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre2;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre2;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre2;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre2;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post2);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate2_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[8];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[5];
bufQ1 = &intbuf[4];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[4];
bufQ1 = &intbuf[5];
}
for (int pos = 0; pos < len - 7; pos += 8)
{
memset(intbuf, 0, 8*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre2;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre2;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre2;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre2;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post2);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post2);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate4_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[8];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 7; pos += 8)
{
memset(intbuf, 0, 8*sizeof(qint32));
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre4;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre4;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator4.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post4);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post4);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate4_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[16];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[9];
bufQ1 = &intbuf[8];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[8];
bufQ1 = &intbuf[9];
}
for (int pos = 0; pos < len - 15; pos += 16)
{
memset(intbuf, 0, 16*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre4;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre4;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre4;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre4;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator4.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator4.myInterpolateInf(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
for (int i = 0; i < 16; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post4);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate4_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[16];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[9];
bufQ1 = &intbuf[8];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[8];
bufQ1 = &intbuf[9];
}
for (int pos = 0; pos < len - 15; pos += 16)
{
memset(intbuf, 0, 16*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre4;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre4;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre4;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre4;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator4.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator4.myInterpolateSup(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
for (int i = 0; i < 16; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post4);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate8_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[16];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 15; pos += 16)
{
memset(intbuf, 0, 16*sizeof(qint32));
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre8;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre8;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator4.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator8.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator8.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator8.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+8] = (float) (intbuf[8] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+9] = (float) (intbuf[9] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+10] = (float) (intbuf[10] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+11] = (float) (intbuf[11] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+12] = (float) (intbuf[12] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+13] = (float) (intbuf[13] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+14] = (float) (intbuf[14] >> interpolation_shifts<OutBits, InBits>::post8);
buf[pos+15] = (float) (intbuf[15] >> interpolation_shifts<OutBits, InBits>::post8);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate8_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[32];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[17];
bufQ1 = &intbuf[16];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[16];
bufQ1 = &intbuf[17];
}
for (int pos = 0; pos < len - 31; pos += 32)
{
memset(intbuf, 0, 32*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre8;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre8;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre8;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre8;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator4.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator4.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator8.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator8.myInterpolateInf(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator8.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator8.myInterpolateInf(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
for (int i = 0; i < 32; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post8);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate8_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[32];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[17];
bufQ1 = &intbuf[16];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[16];
bufQ1 = &intbuf[17];
}
for (int pos = 0; pos < len - 31; pos += 32)
{
memset(intbuf, 0, 32*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre8;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre8;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre8;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre8;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator4.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator4.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator8.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator8.myInterpolateSup(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator8.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator8.myInterpolateSup(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
for (int i = 0; i < 32; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post8);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate16_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[32];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 31; pos += 32)
{
memset(intbuf, 0, 32*sizeof(qint32));
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre16;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre16;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator4.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator8.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator8.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator16.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator16.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator16.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator16.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator16.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator16.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+8] = (float) (intbuf[8] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+9] = (float) (intbuf[9] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+10] = (float) (intbuf[10] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+11] = (float) (intbuf[11] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+12] = (float) (intbuf[12] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+13] = (float) (intbuf[13] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+14] = (float) (intbuf[14] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+15] = (float) (intbuf[15] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+16] = (float) (intbuf[16] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+17] = (float) (intbuf[17] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+18] = (float) (intbuf[18] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+19] = (float) (intbuf[19] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+20] = (float) (intbuf[20] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+21] = (float) (intbuf[21] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+22] = (float) (intbuf[22] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+23] = (float) (intbuf[23] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+24] = (float) (intbuf[24] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+25] = (float) (intbuf[25] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+26] = (float) (intbuf[26] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+27] = (float) (intbuf[27] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+28] = (float) (intbuf[28] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+29] = (float) (intbuf[29] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+30] = (float) (intbuf[30] >> interpolation_shifts<OutBits, InBits>::post16);
buf[pos+31] = (float) (intbuf[31] >> interpolation_shifts<OutBits, InBits>::post16);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate16_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[64];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[33];
bufQ1 = &intbuf[32];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[32];
bufQ1 = &intbuf[33];
}
for (int pos = 0; pos < len - 63; pos += 64)
{
memset(intbuf, 0, 64*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre16;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre16;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre16;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre16;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator4.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator4.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator8.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator8.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37], &intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator8.myInterpolateInf(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53], &intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator16.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator16.myInterpolateInf(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator16.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator16.myInterpolateInf(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator16.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35], &intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator16.myInterpolateInf(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43], &intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator16.myInterpolateInf(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51], &intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator16.myInterpolateInf(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59], &intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
for (int i = 0; i < 64; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post16);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate16_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[64];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[33];
bufQ1 = &intbuf[32];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[32];
bufQ1 = &intbuf[33];
}
for (int pos = 0; pos < len - 63; pos += 64)
{
memset(intbuf, 0, 64*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre16;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre16;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre16;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre16;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator4.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator4.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator8.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator8.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator8.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37], &intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator8.myInterpolateSup(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53], &intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator16.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator16.myInterpolateSup(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator16.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator16.myInterpolateSup(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator16.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35], &intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator16.myInterpolateSup(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43], &intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator16.myInterpolateSup(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51], &intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator16.myInterpolateSup(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59], &intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
for (int i = 0; i < 64; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post16);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate32_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[64];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 63; pos += 64)
{
memset(intbuf, 0, 64*sizeof(qint32));
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre32;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre32;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator4.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator8.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41]);
m_interpolator8.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator16.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator16.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37]);
m_interpolator16.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator16.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53]);
m_interpolator16.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator32.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator32.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator32.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator32.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator32.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator32.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator32.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator32.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator32.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35]);
m_interpolator32.myInterpolate(&intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator32.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43]);
m_interpolator32.myInterpolate(&intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator32.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51]);
m_interpolator32.myInterpolate(&intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator32.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59]);
m_interpolator32.myInterpolate(&intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+8] = (float) (intbuf[8] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+9] = (float) (intbuf[9] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+10] = (float) (intbuf[10] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+11] = (float) (intbuf[11] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+12] = (float) (intbuf[12] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+13] = (float) (intbuf[13] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+14] = (float) (intbuf[14] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+15] = (float) (intbuf[15] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+16] = (float) (intbuf[16] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+17] = (float) (intbuf[17] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+18] = (float) (intbuf[18] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+19] = (float) (intbuf[19] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+20] = (float) (intbuf[20] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+21] = (float) (intbuf[21] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+22] = (float) (intbuf[22] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+23] = (float) (intbuf[23] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+24] = (float) (intbuf[24] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+25] = (float) (intbuf[25] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+26] = (float) (intbuf[26] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+27] = (float) (intbuf[27] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+28] = (float) (intbuf[28] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+29] = (float) (intbuf[29] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+30] = (float) (intbuf[30] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+31] = (float) (intbuf[31] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+32] = (float) (intbuf[32] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+33] = (float) (intbuf[33] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+34] = (float) (intbuf[34] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+35] = (float) (intbuf[35] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+36] = (float) (intbuf[36] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+37] = (float) (intbuf[37] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+38] = (float) (intbuf[38] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+39] = (float) (intbuf[39] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+40] = (float) (intbuf[40] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+41] = (float) (intbuf[41] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+42] = (float) (intbuf[42] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+43] = (float) (intbuf[43] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+44] = (float) (intbuf[44] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+45] = (float) (intbuf[45] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+46] = (float) (intbuf[46] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+47] = (float) (intbuf[47] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+48] = (float) (intbuf[48] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+49] = (float) (intbuf[49] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+50] = (float) (intbuf[50] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+51] = (float) (intbuf[51] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+52] = (float) (intbuf[52] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+53] = (float) (intbuf[53] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+54] = (float) (intbuf[54] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+55] = (float) (intbuf[55] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+56] = (float) (intbuf[56] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+57] = (float) (intbuf[57] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+58] = (float) (intbuf[58] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+59] = (float) (intbuf[59] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+60] = (float) (intbuf[60] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+61] = (float) (intbuf[61] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+62] = (float) (intbuf[62] >> interpolation_shifts<OutBits, InBits>::post32);
buf[pos+63] = (float) (intbuf[63] >> interpolation_shifts<OutBits, InBits>::post32);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate32_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[128];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[65];
bufQ1 = &intbuf[64];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[64];
bufQ1 = &intbuf[65];
}
for (int pos = 0; pos < len - 127; pos += 128)
{
memset(intbuf, 0, 128*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre32;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre32;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre32;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre32;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33], &intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator4.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator4.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81], &intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator8.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator8.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73], &intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator8.myInterpolateSup(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105], &intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator16.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator16.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37], &intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator16.myInterpolateInf(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53], &intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator16.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[68], &intbuf[69], &intbuf[72], &intbuf[73], &intbuf[76], &intbuf[77]);
m_interpolator16.myInterpolateInf(&intbuf[80], &intbuf[81], &intbuf[84], &intbuf[85], &intbuf[88], &intbuf[89], &intbuf[92], &intbuf[93]);
m_interpolator16.myInterpolateInf(&intbuf[96], &intbuf[97], &intbuf[100], &intbuf[101], &intbuf[104], &intbuf[105], &intbuf[108], &intbuf[109]);
m_interpolator16.myInterpolateInf(&intbuf[112], &intbuf[113], &intbuf[116], &intbuf[117], &intbuf[120], &intbuf[121], &intbuf[124], &intbuf[125]);
m_interpolator32.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator32.myInterpolateInf(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator32.myInterpolateInf(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator32.myInterpolateInf(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator32.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35], &intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator32.myInterpolateInf(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43], &intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator32.myInterpolateInf(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51], &intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator32.myInterpolateInf(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59], &intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
m_interpolator32.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[66], &intbuf[67], &intbuf[68], &intbuf[69], &intbuf[70], &intbuf[71]);
m_interpolator32.myInterpolateInf(&intbuf[72], &intbuf[73], &intbuf[74], &intbuf[75], &intbuf[76], &intbuf[77], &intbuf[78], &intbuf[79]);
m_interpolator32.myInterpolateInf(&intbuf[80], &intbuf[81], &intbuf[82], &intbuf[83], &intbuf[84], &intbuf[85], &intbuf[86], &intbuf[87]);
m_interpolator32.myInterpolateInf(&intbuf[88], &intbuf[89], &intbuf[90], &intbuf[91], &intbuf[92], &intbuf[93], &intbuf[94], &intbuf[95]);
m_interpolator32.myInterpolateInf(&intbuf[96], &intbuf[97], &intbuf[98], &intbuf[99], &intbuf[100], &intbuf[101], &intbuf[102], &intbuf[103]);
m_interpolator32.myInterpolateInf(&intbuf[104], &intbuf[105], &intbuf[106], &intbuf[107], &intbuf[108], &intbuf[109], &intbuf[110], &intbuf[111]);
m_interpolator32.myInterpolateInf(&intbuf[112], &intbuf[113], &intbuf[114], &intbuf[115], &intbuf[116], &intbuf[117], &intbuf[118], &intbuf[119]);
m_interpolator32.myInterpolateInf(&intbuf[120], &intbuf[121], &intbuf[122], &intbuf[123], &intbuf[124], &intbuf[125], &intbuf[126], &intbuf[127]);
for (int i = 0; i < 128; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post32);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate32_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[128];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[65];
bufQ1 = &intbuf[64];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[64];
bufQ1 = &intbuf[65];
}
for (int pos = 0; pos < len - 127; pos += 128)
{
memset(intbuf, 0, 128*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre32;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre32;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre32;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre32;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33], &intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator4.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator4.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81], &intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator8.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator8.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator8.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73], &intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator8.myInterpolateInf(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105], &intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator16.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5], &intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator16.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21], &intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator16.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37], &intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator16.myInterpolateSup(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53], &intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator16.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[68], &intbuf[69], &intbuf[72], &intbuf[73], &intbuf[76], &intbuf[77]);
m_interpolator16.myInterpolateSup(&intbuf[80], &intbuf[81], &intbuf[84], &intbuf[85], &intbuf[88], &intbuf[89], &intbuf[92], &intbuf[93]);
m_interpolator16.myInterpolateSup(&intbuf[96], &intbuf[97], &intbuf[100], &intbuf[101], &intbuf[104], &intbuf[105], &intbuf[108], &intbuf[109]);
m_interpolator16.myInterpolateSup(&intbuf[112], &intbuf[113], &intbuf[116], &intbuf[117], &intbuf[120], &intbuf[121], &intbuf[124], &intbuf[125]);
m_interpolator32.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3], &intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator32.myInterpolateSup(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11], &intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator32.myInterpolateSup(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19], &intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator32.myInterpolateSup(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27], &intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator32.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35], &intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator32.myInterpolateSup(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43], &intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator32.myInterpolateSup(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51], &intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator32.myInterpolateSup(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59], &intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
m_interpolator32.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[66], &intbuf[67], &intbuf[68], &intbuf[69], &intbuf[70], &intbuf[71]);
m_interpolator32.myInterpolateSup(&intbuf[72], &intbuf[73], &intbuf[74], &intbuf[75], &intbuf[76], &intbuf[77], &intbuf[78], &intbuf[79]);
m_interpolator32.myInterpolateSup(&intbuf[80], &intbuf[81], &intbuf[82], &intbuf[83], &intbuf[84], &intbuf[85], &intbuf[86], &intbuf[87]);
m_interpolator32.myInterpolateSup(&intbuf[88], &intbuf[89], &intbuf[90], &intbuf[91], &intbuf[92], &intbuf[93], &intbuf[94], &intbuf[95]);
m_interpolator32.myInterpolateSup(&intbuf[96], &intbuf[97], &intbuf[98], &intbuf[99], &intbuf[100], &intbuf[101], &intbuf[102], &intbuf[103]);
m_interpolator32.myInterpolateSup(&intbuf[104], &intbuf[105], &intbuf[106], &intbuf[107], &intbuf[108], &intbuf[109], &intbuf[110], &intbuf[111]);
m_interpolator32.myInterpolateSup(&intbuf[112], &intbuf[113], &intbuf[114], &intbuf[115], &intbuf[116], &intbuf[117], &intbuf[118], &intbuf[119]);
m_interpolator32.myInterpolateSup(&intbuf[120], &intbuf[121], &intbuf[122], &intbuf[123], &intbuf[124], &intbuf[125], &intbuf[126], &intbuf[127]);
for (int i = 0; i < 128; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post32);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate64_cen(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[128];
qint32 *bufI, *bufQ;
if (invertIQ)
{
bufI = &intbuf[1];
bufQ = &intbuf[0];
}
else
{
bufI = &intbuf[0];
bufQ = &intbuf[1];
}
for (int pos = 0; pos < len - 127; pos += 128)
{
memset(intbuf, 0, 128*sizeof(qint32));
*bufI = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre64;
*bufQ = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre64;
m_interpolator2.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[64], &intbuf[65]);
m_interpolator4.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33]);
m_interpolator4.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator8.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17]);
m_interpolator8.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81]);
m_interpolator8.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator16.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9]);
m_interpolator16.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator16.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41]);
m_interpolator16.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73]);
m_interpolator16.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator16.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105]);
m_interpolator16.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator32.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[4], &intbuf[5]);
m_interpolator32.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[12], &intbuf[13]);
m_interpolator32.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[20], &intbuf[21]);
m_interpolator32.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[28], &intbuf[29]);
m_interpolator32.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[36], &intbuf[37]);
m_interpolator32.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[44], &intbuf[45]);
m_interpolator32.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[52], &intbuf[53]);
m_interpolator32.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[60], &intbuf[61]);
m_interpolator32.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[68], &intbuf[69]);
m_interpolator32.myInterpolate(&intbuf[72], &intbuf[73], &intbuf[76], &intbuf[77]);
m_interpolator32.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[84], &intbuf[85]);
m_interpolator32.myInterpolate(&intbuf[88], &intbuf[89], &intbuf[92], &intbuf[93]);
m_interpolator32.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[100], &intbuf[101]);
m_interpolator32.myInterpolate(&intbuf[104], &intbuf[105], &intbuf[108], &intbuf[109]);
m_interpolator32.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[116], &intbuf[117]);
m_interpolator32.myInterpolate(&intbuf[120], &intbuf[121], &intbuf[124], &intbuf[125]);
m_interpolator64.myInterpolate(&intbuf[0], &intbuf[1], &intbuf[2], &intbuf[3]);
m_interpolator64.myInterpolate(&intbuf[4], &intbuf[5], &intbuf[6], &intbuf[7]);
m_interpolator64.myInterpolate(&intbuf[8], &intbuf[9], &intbuf[10], &intbuf[11]);
m_interpolator64.myInterpolate(&intbuf[12], &intbuf[13], &intbuf[14], &intbuf[15]);
m_interpolator64.myInterpolate(&intbuf[16], &intbuf[17], &intbuf[18], &intbuf[19]);
m_interpolator64.myInterpolate(&intbuf[20], &intbuf[21], &intbuf[22], &intbuf[23]);
m_interpolator64.myInterpolate(&intbuf[24], &intbuf[25], &intbuf[26], &intbuf[27]);
m_interpolator64.myInterpolate(&intbuf[28], &intbuf[29], &intbuf[30], &intbuf[31]);
m_interpolator64.myInterpolate(&intbuf[32], &intbuf[33], &intbuf[34], &intbuf[35]);
m_interpolator64.myInterpolate(&intbuf[36], &intbuf[37], &intbuf[38], &intbuf[39]);
m_interpolator64.myInterpolate(&intbuf[40], &intbuf[41], &intbuf[42], &intbuf[43]);
m_interpolator64.myInterpolate(&intbuf[44], &intbuf[45], &intbuf[46], &intbuf[47]);
m_interpolator64.myInterpolate(&intbuf[48], &intbuf[49], &intbuf[50], &intbuf[51]);
m_interpolator64.myInterpolate(&intbuf[52], &intbuf[53], &intbuf[54], &intbuf[55]);
m_interpolator64.myInterpolate(&intbuf[56], &intbuf[57], &intbuf[58], &intbuf[59]);
m_interpolator64.myInterpolate(&intbuf[60], &intbuf[61], &intbuf[62], &intbuf[63]);
m_interpolator64.myInterpolate(&intbuf[64], &intbuf[65], &intbuf[66], &intbuf[67]);
m_interpolator64.myInterpolate(&intbuf[68], &intbuf[69], &intbuf[70], &intbuf[71]);
m_interpolator64.myInterpolate(&intbuf[72], &intbuf[73], &intbuf[74], &intbuf[75]);
m_interpolator64.myInterpolate(&intbuf[76], &intbuf[77], &intbuf[78], &intbuf[79]);
m_interpolator64.myInterpolate(&intbuf[80], &intbuf[81], &intbuf[82], &intbuf[83]);
m_interpolator64.myInterpolate(&intbuf[84], &intbuf[85], &intbuf[86], &intbuf[87]);
m_interpolator64.myInterpolate(&intbuf[88], &intbuf[89], &intbuf[90], &intbuf[91]);
m_interpolator64.myInterpolate(&intbuf[92], &intbuf[93], &intbuf[94], &intbuf[95]);
m_interpolator64.myInterpolate(&intbuf[96], &intbuf[97], &intbuf[98], &intbuf[99]);
m_interpolator64.myInterpolate(&intbuf[100], &intbuf[101], &intbuf[102], &intbuf[103]);
m_interpolator64.myInterpolate(&intbuf[104], &intbuf[105], &intbuf[106], &intbuf[107]);
m_interpolator64.myInterpolate(&intbuf[108], &intbuf[109], &intbuf[110], &intbuf[111]);
m_interpolator64.myInterpolate(&intbuf[112], &intbuf[113], &intbuf[114], &intbuf[115]);
m_interpolator64.myInterpolate(&intbuf[116], &intbuf[117], &intbuf[118], &intbuf[119]);
m_interpolator64.myInterpolate(&intbuf[120], &intbuf[121], &intbuf[122], &intbuf[123]);
m_interpolator64.myInterpolate(&intbuf[124], &intbuf[125], &intbuf[126], &intbuf[127]);
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+0] = (float) (intbuf[0] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+1] = (float) (intbuf[1] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+2] = (float) (intbuf[2] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+3] = (float) (intbuf[3] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+4] = (float) (intbuf[4] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+5] = (float) (intbuf[5] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+6] = (float) (intbuf[6] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+7] = (float) (intbuf[7] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+8] = (float) (intbuf[8] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+9] = (float) (intbuf[9] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+10] = (float) (intbuf[10] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+11] = (float) (intbuf[11] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+12] = (float) (intbuf[12] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+13] = (float) (intbuf[13] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+14] = (float) (intbuf[14] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+15] = (float) (intbuf[15] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+16] = (float) (intbuf[16] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+17] = (float) (intbuf[17] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+18] = (float) (intbuf[18] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+19] = (float) (intbuf[19] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+20] = (float) (intbuf[20] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+21] = (float) (intbuf[21] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+22] = (float) (intbuf[22] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+23] = (float) (intbuf[23] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+24] = (float) (intbuf[24] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+25] = (float) (intbuf[25] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+26] = (float) (intbuf[26] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+27] = (float) (intbuf[27] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+28] = (float) (intbuf[28] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+29] = (float) (intbuf[29] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+30] = (float) (intbuf[30] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+31] = (float) (intbuf[31] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+32] = (float) (intbuf[32] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+33] = (float) (intbuf[33] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+34] = (float) (intbuf[34] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+35] = (float) (intbuf[35] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+36] = (float) (intbuf[36] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+37] = (float) (intbuf[37] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+38] = (float) (intbuf[38] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+39] = (float) (intbuf[39] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+40] = (float) (intbuf[40] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+41] = (float) (intbuf[41] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+42] = (float) (intbuf[42] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+43] = (float) (intbuf[43] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+44] = (float) (intbuf[44] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+45] = (float) (intbuf[45] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+46] = (float) (intbuf[46] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+47] = (float) (intbuf[47] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+48] = (float) (intbuf[48] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+49] = (float) (intbuf[49] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+50] = (float) (intbuf[50] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+51] = (float) (intbuf[51] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+52] = (float) (intbuf[52] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+53] = (float) (intbuf[53] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+54] = (float) (intbuf[54] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+55] = (float) (intbuf[55] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+56] = (float) (intbuf[56] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+57] = (float) (intbuf[57] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+58] = (float) (intbuf[58] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+59] = (float) (intbuf[59] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+60] = (float) (intbuf[60] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+61] = (float) (intbuf[61] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+62] = (float) (intbuf[62] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+63] = (float) (intbuf[63] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+64] = (float) (intbuf[64] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+65] = (float) (intbuf[65] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+66] = (float) (intbuf[66] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+67] = (float) (intbuf[67] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+68] = (float) (intbuf[68] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+69] = (float) (intbuf[69] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+70] = (float) (intbuf[70] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+71] = (float) (intbuf[71] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+72] = (float) (intbuf[72] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+73] = (float) (intbuf[73] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+74] = (float) (intbuf[74] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+75] = (float) (intbuf[75] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+76] = (float) (intbuf[76] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+77] = (float) (intbuf[77] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+78] = (float) (intbuf[78] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+79] = (float) (intbuf[79] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+80] = (float) (intbuf[80] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+81] = (float) (intbuf[81] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+82] = (float) (intbuf[82] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+83] = (float) (intbuf[83] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+84] = (float) (intbuf[84] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+85] = (float) (intbuf[85] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+86] = (float) (intbuf[86] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+87] = (float) (intbuf[87] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+88] = (float) (intbuf[88] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+89] = (float) (intbuf[89] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+90] = (float) (intbuf[90] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+91] = (float) (intbuf[91] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+92] = (float) (intbuf[92] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+93] = (float) (intbuf[93] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+94] = (float) (intbuf[94] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+95] = (float) (intbuf[95] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+96] = (float) (intbuf[96] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+97] = (float) (intbuf[97] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+98] = (float) (intbuf[98] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+99] = (float) (intbuf[99] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+100] = (float) (intbuf[100] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+101] = (float) (intbuf[101] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+102] = (float) (intbuf[102] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+103] = (float) (intbuf[103] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+104] = (float) (intbuf[104] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+105] = (float) (intbuf[105] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+106] = (float) (intbuf[106] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+107] = (float) (intbuf[107] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+108] = (float) (intbuf[108] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+109] = (float) (intbuf[109] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+110] = (float) (intbuf[110] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+111] = (float) (intbuf[111] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+112] = (float) (intbuf[112] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+113] = (float) (intbuf[113] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+114] = (float) (intbuf[114] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+115] = (float) (intbuf[115] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+116] = (float) (intbuf[116] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+117] = (float) (intbuf[117] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+118] = (float) (intbuf[118] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+119] = (float) (intbuf[119] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+120] = (float) (intbuf[120] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+121] = (float) (intbuf[121] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+122] = (float) (intbuf[122] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+123] = (float) (intbuf[123] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+124] = (float) (intbuf[124] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+125] = (float) (intbuf[125] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+126] = (float) (intbuf[126] >> interpolation_shifts<OutBits, InBits>::post64);
buf[pos+127] = (float) (intbuf[127] >> interpolation_shifts<OutBits, InBits>::post64);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
++(*it);
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate64_inf(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[256];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[129];
bufQ1 = &intbuf[128];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[128];
bufQ1 = &intbuf[129];
}
for (int pos = 0; pos < len - 255; pos += 256)
{
memset(intbuf, 0, 256*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre64;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre64;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre64;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre64;
++(*it);
m_interpolator2.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[64], &intbuf[65], &intbuf[128], &intbuf[129], &intbuf[192], &intbuf[193]);
m_interpolator4.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33], &intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator4.myInterpolateInf(&intbuf[128], &intbuf[129], &intbuf[160], &intbuf[161], &intbuf[192], &intbuf[193], &intbuf[224], &intbuf[225]);
m_interpolator8.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81], &intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator8.myInterpolateSup(&intbuf[128], &intbuf[129], &intbuf[144], &intbuf[145], &intbuf[160], &intbuf[161], &intbuf[176], &intbuf[177]);
m_interpolator8.myInterpolateSup(&intbuf[192], &intbuf[193], &intbuf[208], &intbuf[209], &intbuf[224], &intbuf[225], &intbuf[240], &intbuf[241]);
m_interpolator16.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator16.myInterpolateInf(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73], &intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator16.myInterpolateInf(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105], &intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator16.myInterpolateInf(&intbuf[128], &intbuf[129], &intbuf[136], &intbuf[137], &intbuf[144], &intbuf[145], &intbuf[152], &intbuf[153]);
m_interpolator16.myInterpolateInf(&intbuf[160], &intbuf[161], &intbuf[168], &intbuf[169], &intbuf[176], &intbuf[177], &intbuf[184], &intbuf[185]);
m_interpolator16.myInterpolateInf(&intbuf[192], &intbuf[193], &intbuf[200], &intbuf[201], &intbuf[208], &intbuf[209], &intbuf[216], &intbuf[217]);
m_interpolator16.myInterpolateInf(&intbuf[224], &intbuf[225], &intbuf[232], &intbuf[233], &intbuf[240], &intbuf[241], &intbuf[248], &intbuf[249]);
for (int i = 0; i < 16; i++) {
m_interpolator32.myInterpolateSup(
&intbuf[16*i+0],
&intbuf[16*i+1],
&intbuf[16*i+4],
&intbuf[16*i+5],
&intbuf[16*i+8],
&intbuf[16*i+9],
&intbuf[16*i+12],
&intbuf[16*i+13]);
}
for (int i = 0; i < 32; i++) {
m_interpolator64.myInterpolateInf(
&intbuf[8*i+0],
&intbuf[8*i+1],
&intbuf[8*i+2],
&intbuf[8*i+3],
&intbuf[8*i+4],
&intbuf[8*i+5],
&intbuf[8*i+6],
&intbuf[8*i+7]);
}
for (int i = 0; i < 256; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post64);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
template<uint OutBits, uint InBits>
void InterpolatorsIF<OutBits, InBits>::interpolate64_sup(SampleVector::iterator* it, float* buf, qint32 len, bool invertIQ)
{
qint32 intbuf[256];
qint32 *bufI0, *bufQ0, *bufI1, *bufQ1;
if (invertIQ)
{
bufI0 = &intbuf[1];
bufQ0 = &intbuf[0];
bufI1 = &intbuf[129];
bufQ1 = &intbuf[128];
}
else
{
bufI0 = &intbuf[0];
bufQ0 = &intbuf[1];
bufI1 = &intbuf[128];
bufQ1 = &intbuf[129];
}
for (int pos = 0; pos < len - 255; pos += 256)
{
memset(intbuf, 0, 256*sizeof(qint32));
*bufI0 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre64;
*bufQ0 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre64;
++(*it);
*bufI1 = (**it).m_real << interpolation_shifts<OutBits, InBits>::pre64;
*bufQ1 = (**it).m_imag << interpolation_shifts<OutBits, InBits>::pre64;
++(*it);
m_interpolator2.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[64], &intbuf[65], &intbuf[128], &intbuf[129], &intbuf[192], &intbuf[193]);
m_interpolator4.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[32], &intbuf[33], &intbuf[64], &intbuf[65], &intbuf[96], &intbuf[97]);
m_interpolator4.myInterpolateSup(&intbuf[128], &intbuf[129], &intbuf[160], &intbuf[161], &intbuf[192], &intbuf[193], &intbuf[224], &intbuf[225]);
m_interpolator8.myInterpolateInf(&intbuf[0], &intbuf[1], &intbuf[16], &intbuf[17], &intbuf[32], &intbuf[33], &intbuf[48], &intbuf[49]);
m_interpolator8.myInterpolateInf(&intbuf[64], &intbuf[65], &intbuf[80], &intbuf[81], &intbuf[96], &intbuf[97], &intbuf[112], &intbuf[113]);
m_interpolator8.myInterpolateInf(&intbuf[128], &intbuf[129], &intbuf[144], &intbuf[145], &intbuf[160], &intbuf[161], &intbuf[176], &intbuf[177]);
m_interpolator8.myInterpolateInf(&intbuf[192], &intbuf[193], &intbuf[208], &intbuf[209], &intbuf[224], &intbuf[225], &intbuf[240], &intbuf[241]);
m_interpolator16.myInterpolateSup(&intbuf[0], &intbuf[1], &intbuf[8], &intbuf[9], &intbuf[16], &intbuf[17], &intbuf[24], &intbuf[25]);
m_interpolator16.myInterpolateSup(&intbuf[32], &intbuf[33], &intbuf[40], &intbuf[41], &intbuf[48], &intbuf[49], &intbuf[56], &intbuf[57]);
m_interpolator16.myInterpolateSup(&intbuf[64], &intbuf[65], &intbuf[72], &intbuf[73], &intbuf[80], &intbuf[81], &intbuf[88], &intbuf[89]);
m_interpolator16.myInterpolateSup(&intbuf[96], &intbuf[97], &intbuf[104], &intbuf[105], &intbuf[112], &intbuf[113], &intbuf[120], &intbuf[121]);
m_interpolator16.myInterpolateSup(&intbuf[128], &intbuf[129], &intbuf[136], &intbuf[137], &intbuf[144], &intbuf[145], &intbuf[152], &intbuf[153]);
m_interpolator16.myInterpolateSup(&intbuf[160], &intbuf[161], &intbuf[168], &intbuf[169], &intbuf[176], &intbuf[177], &intbuf[184], &intbuf[185]);
m_interpolator16.myInterpolateSup(&intbuf[192], &intbuf[193], &intbuf[200], &intbuf[201], &intbuf[208], &intbuf[209], &intbuf[216], &intbuf[217]);
m_interpolator16.myInterpolateSup(&intbuf[224], &intbuf[225], &intbuf[232], &intbuf[233], &intbuf[240], &intbuf[241], &intbuf[248], &intbuf[249]);
for (int i = 0; i < 16; i++) {
m_interpolator32.myInterpolateInf(
&intbuf[16*i+0],
&intbuf[16*i+1],
&intbuf[16*i+4],
&intbuf[16*i+5],
&intbuf[16*i+8],
&intbuf[16*i+9],
&intbuf[16*i+12],
&intbuf[16*i+13]);
}
for (int i = 0; i < 32; i++) {
m_interpolator64.myInterpolateSup(
&intbuf[8*i+0],
&intbuf[8*i+1],
&intbuf[8*i+2],
&intbuf[8*i+3],
&intbuf[8*i+4],
&intbuf[8*i+5],
&intbuf[8*i+6],
&intbuf[8*i+7]);
}
for (int i = 0; i < 256; i++) {
Interpolators integer to float: fixed wrong implementation and possible zero divide
2019-08-12 07:22:17 -04:00
buf[pos+i] = (float) (intbuf[i] >> interpolation_shifts<OutBits, InBits>::post64);
SoapySDR output: support floating point type samples
2019-05-17 12:35:34 -04:00
}
}
}
#endif // INCLUDE_SDRBASE_DSP_INTERPOLATORSIF_H_
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