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sdrangel/plugins/channelrx/demoddatv/ldpctool/modulation.h
2021-03-07 00:36:48 +01:00

79 lines
1.6 KiB
C++

/*
Modulation interface
Copyright 2018 Ahmet Inan <xdsopl@gmail.com>
*/
#ifndef MODULATION_HH
#define MODULATION_HH
namespace ldpctool {
template <typename TYPE, typename CODE>
struct ModulationInterface
{
typedef TYPE complex_type;
typedef typename TYPE::value_type value_type;
typedef CODE code_type;
virtual int bits() = 0;
virtual void hardN(code_type *, complex_type *) = 0;
virtual void softN(code_type *, complex_type *, value_type) = 0;
virtual void mapN(complex_type *, code_type *) = 0;
virtual void hard(code_type *, complex_type) = 0;
virtual void soft(code_type *, complex_type, value_type) = 0;
virtual complex_type map(code_type *) = 0;
virtual ~ModulationInterface() = default;
};
template <typename MOD, int NUM>
struct Modulation : public ModulationInterface<typename MOD::complex_type, typename MOD::code_type>
{
typedef typename MOD::complex_type complex_type;
typedef typename MOD::value_type value_type;
typedef typename MOD::code_type code_type;
int bits()
{
return MOD::BITS;
}
void hardN(code_type *b, complex_type *c)
{
for (int i = 0; i < NUM; ++i)
MOD::hard(b + i * MOD::BITS, c[i]);
}
void softN(code_type *b, complex_type *c, value_type precision)
{
for (int i = 0; i < NUM; ++i)
MOD::soft(b + i * MOD::BITS, c[i], precision);
}
void mapN(complex_type *c, code_type *b)
{
for (int i = 0; i < NUM; ++i)
c[i] = MOD::map(b + i * MOD::BITS);
}
void hard(code_type *b, complex_type c)
{
MOD::hard(b, c);
}
void soft(code_type *b, complex_type c, value_type precision)
{
MOD::soft(b, c, precision);
}
complex_type map(code_type *b)
{
return MOD::map(b);
}
};
} // namespace ldpctool
#endif