552 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			552 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|  | /* Copyright (C) 2003-2008 Jean-Marc Valin
 | ||
|  |    Copyright (C) 2007-2009 Xiph.Org Foundation */ | ||
|  | /**
 | ||
|  |    @file fixed_debug.h | ||
|  |    @brief Fixed-point operations with debugging | ||
|  | */ | ||
|  | /*
 | ||
|  |    Redistribution and use in source and binary forms, with or without | ||
|  |    modification, are permitted provided that the following conditions | ||
|  |    are met: | ||
|  |     | ||
|  |    - Redistributions of source code must retain the above copyright | ||
|  |    notice, this list of conditions and the following disclaimer. | ||
|  |     | ||
|  |    - Redistributions in binary form must reproduce the above copyright | ||
|  |    notice, this list of conditions and the following disclaimer in the | ||
|  |    documentation and/or other materials provided with the distribution. | ||
|  |     | ||
|  |    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
|  |    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
|  |    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
|  |    A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR | ||
|  |    CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
|  |    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
|  |    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
|  |    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
|  |    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
|  |    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
|  |    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|  | */ | ||
|  | 
 | ||
|  | #ifndef FIXED_DEBUG_H
 | ||
|  | #define FIXED_DEBUG_H
 | ||
|  | 
 | ||
|  | #include <stdio.h>
 | ||
|  | 
 | ||
|  | #ifdef CELT_C
 | ||
|  | long long celt_mips=0; | ||
|  | #else
 | ||
|  | extern long long celt_mips; | ||
|  | #endif
 | ||
|  | 
 | ||
|  | #define MIPS_INC celt_mips++,
 | ||
|  | 
 | ||
|  | #define MULT16_16SU(a,b) ((celt_word32)(celt_word16)(a)*(celt_word32)(celt_uint16)(b))
 | ||
|  | #define MULT32_32_Q31(a,b) ADD32(ADD32(SHL32(MULT16_16(SHR32((a),16),SHR((b),16)),1), SHR32(MULT16_16SU(SHR32((a),16),((b)&0x0000ffff)),15)), SHR32(MULT16_16SU(SHR32((b),16),((a)&0x0000ffff)),15))
 | ||
|  | 
 | ||
|  | /** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */ | ||
|  | #define MULT16_32_Q16(a,b) ADD32(MULT16_16((a),SHR32((b),16)), SHR32(MULT16_16SU((a),((b)&0x0000ffff)),16))
 | ||
|  | 
 | ||
|  | #define QCONST16(x,bits) ((celt_word16)(.5+(x)*(((celt_word32)1)<<(bits))))
 | ||
|  | #define QCONST32(x,bits) ((celt_word32)(.5+(x)*(((celt_word32)1)<<(bits))))
 | ||
|  | 
 | ||
|  | 
 | ||
|  | #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768)
 | ||
|  | #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL)
 | ||
|  | #define VERIFY_UINT(x) ((x)<=(2147483647LLU<<1))
 | ||
|  | 
 | ||
|  | #define SHR(a,b) SHR32(a,b)
 | ||
|  | #define PSHR(a,b) PSHR32(a,b)
 | ||
|  | 
 | ||
|  | static inline short NEG16(int x) | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(x)) | ||
|  |    { | ||
|  |       fprintf (stderr, "NEG16: input is not short: %d\n", (int)x); | ||
|  |    } | ||
|  |    res = -x; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "NEG16: output is not short: %d\n", (int)res); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline int NEG32(long long x) | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_INT(x)) | ||
|  |    { | ||
|  |       fprintf (stderr, "NEG16: input is not int: %d\n", (int)x); | ||
|  |    } | ||
|  |    res = -x; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "NEG16: output is not int: %d\n", (int)res); | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define EXTRACT16(x) _EXTRACT16(x, __FILE__, __LINE__)
 | ||
|  | static inline short _EXTRACT16(int x, char *file, int line) | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(x)) | ||
|  |    { | ||
|  |       fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line); | ||
|  |    } | ||
|  |    res = x; | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define EXTEND32(x) _EXTEND32(x, __FILE__, __LINE__)
 | ||
|  | static inline int _EXTEND32(int x, char *file, int line) | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(x)) | ||
|  |    { | ||
|  |       fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line); | ||
|  |    } | ||
|  |    res = x; | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define SHR16(a, shift) _SHR16(a, shift, __FILE__, __LINE__)
 | ||
|  | static inline short _SHR16(int a, int shift, char *file, int line)  | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line); | ||
|  |    } | ||
|  |    res = a>>shift; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | #define SHL16(a, shift) _SHL16(a, shift, __FILE__, __LINE__)
 | ||
|  | static inline short _SHL16(int a, int shift, char *file, int line)  | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line); | ||
|  |    } | ||
|  |    res = a<<shift; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | static inline int SHR32(long long a, int shift)  | ||
|  | { | ||
|  |    long long  res; | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift); | ||
|  |    } | ||
|  |    res = a>>shift; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHR32: output is not int: %d\n", (int)res); | ||
|  |    } | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline int SHL32(long long a, int shift)  | ||
|  | { | ||
|  |    long long  res; | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_SHORT(shift)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHL32: inputs are not int: %d %d\n", (int)a, shift); | ||
|  |    } | ||
|  |    res = a<<shift; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SHL32: output is not int: %d\n", (int)res); | ||
|  |    } | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define PSHR16(a,shift) (celt_mips--,SHR16(ADD16((a),((1<<((shift))>>1))),shift))
 | ||
|  | #define PSHR32(a,shift) (celt_mips--,SHR32(ADD32((a),(((celt_word32)(1)<<((shift))>>1))),shift))
 | ||
|  | #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift)))
 | ||
|  | 
 | ||
|  | #define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
 | ||
|  | #define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x)))
 | ||
|  | 
 | ||
|  | #define ROUND16(x,a) (celt_mips--,EXTRACT16(PSHR32((x),(a))))
 | ||
|  | #define HALF32(x)  (SHR32(x,1))
 | ||
|  | 
 | ||
|  | //#define SHR(a,shift) ((a) >> (shift))
 | ||
|  | //#define SHL(a,shift) ((a) << (shift))
 | ||
|  | 
 | ||
|  | #define ADD16(a, b) _ADD16(a, b, __FILE__, __LINE__)
 | ||
|  | static inline short _ADD16(int a, int b, char *file, int line)  | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
|  |    } | ||
|  |    res = a+b; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line); | ||
|  |    } | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define SUB16(a, b) _SUB16(a, b, __FILE__, __LINE__)
 | ||
|  | static inline short _SUB16(int a, int b, char *file, int line)  | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
|  |    } | ||
|  |    res = a-b; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define ADD32(a, b) _ADD32(a, b, __FILE__, __LINE__)
 | ||
|  | static inline int _ADD32(long long a, long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |    } | ||
|  |    res = a+b; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
|  |    } | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define SUB32(a, b) _SUB32(a, b, __FILE__, __LINE__)
 | ||
|  | static inline int _SUB32(long long a, long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "SUB32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |    } | ||
|  |    res = a-b; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "SUB32: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #undef UADD32
 | ||
|  | #define UADD32(a, b) _UADD32(a, b, __FILE__, __LINE__)
 | ||
|  | static inline unsigned int _UADD32(unsigned long long a, unsigned long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_UINT(a) || !VERIFY_UINT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "UADD32: inputs are not int: %u %u in %s: line %d\n", (unsigned)a, (unsigned)b, file, line); | ||
|  |    } | ||
|  |    res = a+b; | ||
|  |    if (!VERIFY_UINT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "UADD32: output is not int: %u in %s: line %d\n", (unsigned)res, file, line); | ||
|  |    } | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #undef USUB32
 | ||
|  | #define USUB32(a, b) _USUB32(a, b, __FILE__, __LINE__)
 | ||
|  | static inline unsigned int _USUB32(unsigned long long a, unsigned long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_UINT(a) || !VERIFY_UINT(b)) | ||
|  |    { | ||
|  |       /*fprintf (stderr, "USUB32: inputs are not int: %llu %llu in %s: line %d\n", (unsigned)a, (unsigned)b, file, line);*/ | ||
|  |    } | ||
|  |    res = a-b; | ||
|  |    if (!VERIFY_UINT(res)) | ||
|  |    { | ||
|  |       /*fprintf (stderr, "USUB32: output is not int: %llu - %llu = %llu in %s: line %d\n", a, b, res, file, line);*/ | ||
|  |    } | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  | /* result fits in 16 bits */ | ||
|  | static inline short MULT16_16_16(int a, int b)  | ||
|  | { | ||
|  |    int res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = a*b; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define MULT16_16(a, b) _MULT16_16(a, b, __FILE__, __LINE__)
 | ||
|  | static inline int _MULT16_16(int a, int b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
|  |    celt_mips++; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define MAC16_16(c,a,b)     (celt_mips-=2,ADD32((c),MULT16_16((a),(b))))
 | ||
|  | #define MAC16_16_Q11(c,a,b)     (ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),11))))
 | ||
|  | #define MAC16_16_Q13(c,a,b)     (ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),13))))
 | ||
|  | #define MAC16_16_P13(c,a,b)     (ADD16((c),SHR32(ADD32(4096,MULT16_16((a),(b))),13)))
 | ||
|  | 
 | ||
|  | 
 | ||
|  | #define MULT16_32_QX(a, b, Q) _MULT16_32_QX(a, b, Q, __FILE__, __LINE__)
 | ||
|  | static inline int _MULT16_32_QX(int a, long long b, int Q, char *file, int line) | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_INT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_32_Q%d: inputs are not short+int: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line); | ||
|  |    } | ||
|  |    if (ABS32(b)>=((celt_word32)(1)<<(15+Q))) | ||
|  |       fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line);       | ||
|  |    res = (((long long)a)*(long long)b) >> Q; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_32_Q%d: output is not int: %d*%d=%d in %s: line %d\n", Q, (int)a, (int)b,(int)res, file, line); | ||
|  |    if (Q==15) | ||
|  |       celt_mips+=3; | ||
|  |    else | ||
|  |       celt_mips+=4; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | static inline int MULT16_32_PX(int a, long long b, int Q) | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_INT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d\n", Q, (int)a, (int)b); | ||
|  |    } | ||
|  |    if (ABS32(b)>=((celt_word32)(1)<<(15+Q))) | ||
|  |       fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d\n", Q, (int)a, (int)b);       | ||
|  |    res = ((((long long)a)*(long long)b) + (((celt_word32)(1)<<Q)>>1))>> Q; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d\n", Q, (int)a, (int)b,(int)res); | ||
|  |    if (Q==15) | ||
|  |       celt_mips+=4; | ||
|  |    else | ||
|  |       celt_mips+=5; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | 
 | ||
|  | #define MULT16_32_Q11(a,b) MULT16_32_QX(a,b,11)
 | ||
|  | #define MAC16_32_Q11(c,a,b) ADD32((c),MULT16_32_Q11((a),(b)))
 | ||
|  | #define MULT16_32_Q12(a,b) MULT16_32_QX(a,b,12)
 | ||
|  | #define MULT16_32_Q13(a,b) MULT16_32_QX(a,b,13)
 | ||
|  | #define MULT16_32_Q14(a,b) MULT16_32_QX(a,b,14)
 | ||
|  | #define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15)
 | ||
|  | #define MULT16_32_P15(a,b) MULT16_32_PX(a,b,15)
 | ||
|  | #define MAC16_32_Q15(c,a,b) (celt_mips-=2,ADD32((c),MULT16_32_Q15((a),(b))))
 | ||
|  | 
 | ||
|  | static inline int SATURATE(int a, int b) | ||
|  | { | ||
|  |    if (a>b) | ||
|  |       a=b; | ||
|  |    if (a<-b) | ||
|  |       a = -b; | ||
|  |    celt_mips+=3; | ||
|  |    return a; | ||
|  | } | ||
|  | 
 | ||
|  | static inline int MULT16_16_Q11_32(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res >>= 11; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res); | ||
|  |    celt_mips+=3; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline short MULT16_16_Q13(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res >>= 13; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
|  |    celt_mips+=3; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline short MULT16_16_Q14(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res >>= 14; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res); | ||
|  |    celt_mips+=3; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define MULT16_16_Q15(a, b) _MULT16_16_Q15(a, b, __FILE__, __LINE__)
 | ||
|  | static inline short _MULT16_16_Q15(int a, int b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res >>= 15; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_Q15: output is not short: %d in %s: line %d\n", (int)res, file, line); | ||
|  |    } | ||
|  |    celt_mips+=1; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | static inline short MULT16_16_P13(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res += 4096; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res); | ||
|  |    res >>= 13; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
|  |    celt_mips+=4; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline short MULT16_16_P14(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res += 8192; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res); | ||
|  |    res >>= 14; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
|  |    celt_mips+=4; | ||
|  |    return res; | ||
|  | } | ||
|  | static inline short MULT16_16_P15(int a, int b)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b); | ||
|  |    } | ||
|  |    res = ((long long)a)*b; | ||
|  |    res += 16384; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res); | ||
|  |    res >>= 15; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |       fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
|  |    celt_mips+=2; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define DIV32_16(a, b) _DIV32_16(a, b, __FILE__, __LINE__)
 | ||
|  | 
 | ||
|  | static inline int _DIV32_16(long long a, long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (b==0) | ||
|  |    { | ||
|  |       fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |       return 0; | ||
|  |    } | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_SHORT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |    } | ||
|  |    res = a/b; | ||
|  |    if (!VERIFY_SHORT(res)) | ||
|  |    { | ||
|  |       fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line); | ||
|  |       if (res>32767) | ||
|  |          res = 32767; | ||
|  |       if (res<-32768) | ||
|  |          res = -32768; | ||
|  |    } | ||
|  |    celt_mips+=35; | ||
|  |    return res; | ||
|  | } | ||
|  | 
 | ||
|  | #define DIV32(a, b) _DIV32(a, b, __FILE__, __LINE__)
 | ||
|  | static inline int _DIV32(long long a, long long b, char *file, int line)  | ||
|  | { | ||
|  |    long long res; | ||
|  |    if (b==0) | ||
|  |    { | ||
|  |       fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |       return 0; | ||
|  |    } | ||
|  | 
 | ||
|  |    if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
|  |    { | ||
|  |       fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
|  |    } | ||
|  |    res = a/b; | ||
|  |    if (!VERIFY_INT(res)) | ||
|  |       fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
|  |    celt_mips+=70; | ||
|  |    return res; | ||
|  | } | ||
|  | #define PDIV32(a,b) DIV32(ADD32((a),(b)>>1),b)
 | ||
|  | #define PDIV32_16(a,b) DIV32_16(ADD32((a),(b)>>1),b)
 | ||
|  | 
 | ||
|  | #undef PRINT_MIPS
 | ||
|  | #define PRINT_MIPS(file) do {fprintf (file, "total complexity = %llu MIPS\n", celt_mips);} while (0);
 | ||
|  | 
 | ||
|  | #endif
 |