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/* NOT PROCESSED DIRECTLY, see ltfat_complexindependent.c */
#ifdef LTFAT_TYPE
LTFAT_EXTERN
void LTFAT_NAME(circshift)(LTFAT_TYPE *in, LTFAT_TYPE *out, const ltfatInt L, const ltfatInt shift)
{
ltfatInt shiftMod = shift%L;
if(in==out)
{
if(1)
{
LTFAT_TYPE *inTmp = (LTFAT_TYPE *)ltfat_malloc(L*sizeof(LTFAT_TYPE));
memcpy(inTmp,in,L*sizeof(LTFAT_TYPE));
LTFAT_NAME(circshift)(inTmp,out,L,shift);
ltfat_free(inTmp);
}
else
{
ltfatInt m,count,ii,jj;
for(m=0,count=0; count!=L; m++)
{
LTFAT_TYPE t = in[m];
for(ii=m,jj=m+shiftMod;
jj!=m;
ii=jj,jj=jj+shiftMod<L?jj+shiftMod:jj+shiftMod-L,count++)
{
in[ii]=in[jj];
}
in[ii]=t;
count++;
}
}
return;
}
if(shiftMod<0)
{
memcpy(out,in-shiftMod,(L+shiftMod)*sizeof*out);
memcpy(out+(L+shiftMod),in,-shiftMod*sizeof*out);
}
else if(shiftMod>0)
{
memcpy(out+shiftMod,in,(L-shiftMod)*sizeof*out);
memcpy(out,in+L-shiftMod,shiftMod*sizeof*out);
}
else
{
memcpy(out,in,L*sizeof*out);
}
}
LTFAT_EXTERN
void LTFAT_NAME(reverse_array)(LTFAT_TYPE *in, LTFAT_TYPE *out,const ltfatInt L)
{
if(in==out)
{
LTFAT_TYPE tmpVar = (LTFAT_TYPE) 0.0;
for(ltfatInt ii=0; ii<L/2; ii++)
{
tmpVar = in[L-1-ii];
in[L-1-ii] = in[ii];
in[ii] = tmpVar;
}
}
else
{
for(ltfatInt ii=0; ii<L; ii++)
{
out[ii] = in[L-1-ii];
}
}
}
LTFAT_EXTERN
void LTFAT_NAME(conjugate_array)(LTFAT_TYPE *in, LTFAT_TYPE *out,const ltfatInt L)
{
#ifdef LTFAT_COMPLEXTYPE
for(ltfatInt ii=0; ii<L; ii++)
{
out[ii] = LTFAT_COMPLEXH(conj)(in[ii]);
}
#else
if(in==out)
{
return;
}
else
{
memcpy(out,in,L*sizeof(LTFAT_TYPE));
}
#endif
}
LTFAT_EXTERN
void LTFAT_NAME(array2complex)(LTFAT_TYPE *in, LTFAT_COMPLEX *out, const ltfatInt L)
{
#ifdef LTFAT_COMPLEXTYPE
if(in==(LTFAT_TYPE*)out)
{
return;
}
else
{
memcpy(out,in,L*sizeof(LTFAT_COMPLEX));
}
#else
if(in==(LTFAT_TYPE*)out)
{
// This should produce an error
}
else
{
LTFAT_REAL (*outTmp)[2] = (LTFAT_REAL(*)[2]) out;
for(ltfatInt ii=0; ii<L; ii++)
{
outTmp[ii][0] = in[ii];
outTmp[ii][1] = (LTFAT_TYPE) 0.0;
}
}
#endif
}
LTFAT_EXTERN void
LTFAT_NAME(dgtphaselockhelper)(LTFAT_TYPE *cin, const ltfatInt L,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, LTFAT_TYPE *cout)
{
ltfatInt N=L/a;
for (ltfatInt w = 0; w < W; w++)
{
for (ltfatInt n = 0; n < N; n++)
{
ltfatInt offset = w * N * M + n * M;
LTFAT_TYPE* cintmp = cin + offset;
LTFAT_TYPE* couttmp = cout + offset;
// circshift takes care of possible inplace operation
LTFAT_NAME(circshift)(cintmp, couttmp, M, -a * n);
}
}
}
LTFAT_EXTERN void
LTFAT_NAME(dgtphaseunlockhelper)(LTFAT_TYPE *cin, const ltfatInt L,
const ltfatInt W, const ltfatInt a,
const ltfatInt M, LTFAT_TYPE *cout)
{
ltfatInt N=L/a;
for (ltfatInt w = 0; w < W; w++)
{
for (ltfatInt n = 0; n < N; n++)
{
ltfatInt offset = w * N * M + n * M;
LTFAT_TYPE* cintmp = cin + offset;
LTFAT_TYPE* couttmp = cout + offset;
// circshift takes care of possible inplace operation
LTFAT_NAME(circshift)(cintmp, couttmp, M, a * n);
}
}
}
#endif // LTFAT_TYPE
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