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#define TYPEDEPARGS 0
#define REALARGS
#define COMPLEXARGS
#define SINGLEARGS
#define OCTFILENAME comp_dct // change to filename
#define OCTFILEHELP "This function calls FFTW library.\n Yeah."
#include "ltfat_oct_template_helper.h"
#include "config.h"
// octave_idx_type is 32 or 64 bit signed integer
static inline void
fwd_dct(const double *f, const octave_idx_type L,
const octave_idx_type W, double *c,
const dct_kind kind)
{
ltfat_dct_d(f, L, W, c, kind);
}
static inline void
fwd_dct(const float *f, const octave_idx_type L,
const octave_idx_type W, float *c,
const dct_kind kind)
{
ltfat_dct_s(f, L, W, c, kind);
}
static inline void
fwd_dct(const Complex *f, const octave_idx_type L,
const octave_idx_type W, Complex *c,
const dct_kind kind)
{
ltfat_dct_dc(reinterpret_cast<const ltfat_complex_d *>(f),
L, W,
reinterpret_cast<ltfat_complex_d *>(c),
kind);
}
static inline void
fwd_dct(const FloatComplex *f, const octave_idx_type L,
const octave_idx_type W, FloatComplex* c,
const dct_kind kind)
{
ltfat_dct_sc(reinterpret_cast<const ltfat_complex_s *>(f),
L, W,
reinterpret_cast<ltfat_complex_s *>(c),
kind);
}
template <class LTFAT_TYPE, class LTFAT_REAL, class LTFAT_COMPLEX>
octave_value_list octFunction(const octave_value_list& args, int nargout)
{
DEBUGINFO;
dct_kind kind = DCTI;
const octave_idx_type type = args(1).int_value();
MArray<LTFAT_TYPE> f = MArray<LTFAT_TYPE>(ltfatOctArray<LTFAT_TYPE>(args(0)));
const octave_idx_type L = f.rows();
const octave_idx_type W = f.columns();
MArray<LTFAT_TYPE> c(dim_vector(L, W));
switch (type)
{
case 1:
kind = DCTI;
break;
case 2:
kind = DCTII;
break;
case 3:
kind = DCTIII;
break;
case 4:
kind = DCTIV;
break;
default:
error("Unknown type.");
}
fwd_dct(f.data(), L, W, c.fortran_vec(), kind);
return octave_value(c);
}
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