void
test_real_d(vsip_length N, vsip_major axis)
{
vsip_length rows = 5;
vsip_length cols = N;
vsip_length rows2 = 5;
vsip_length cols2 = N/2 + 1;
if (axis == VSIP_COL)
{
rows = N;
cols = 5;
rows2 = N/2 + 1;
cols2 = 5;
}
vsip_fftm_d *f_fftm = vsip_rcfftmop_create_d(rows, cols, 1.0,
axis, 0, VSIP_ALG_SPACE);
vsip_fftm_d *i_fftm = vsip_crfftmop_create_d(rows, cols, 1.0/N,
axis, 0, VSIP_ALG_SPACE);
vsip_fftm_attr_d attr;
vsip_fftm_getattr_d(f_fftm, &attr);
test_assert(attr.input.r == rows && attr.input.c == cols);
test_assert(attr.output.r == rows2 && attr.output.c == cols2);
vsip_fftm_getattr_d(i_fftm, &attr);
test_assert(attr.input.r == rows2 && attr.input.c == cols2);
test_assert(attr.output.r == rows && attr.output.c == cols);
vsip_mview_d *in = vsip_mcreate_d(rows, cols, VSIP_ROW, VSIP_MEM_NONE);
vsip_randstate *rng = vsip_randcreate(0, 1, 1, VSIP_PRNG);
vsip_mrandu_d(rng, in);
vsip_randdestroy(rng);
vsip_mview_d *inv = vsip_mcreate_d(rows, cols, VSIP_ROW, VSIP_MEM_NONE);
vsip_cmview_d *out = vsip_cmcreate_d(rows2, cols2, VSIP_ROW, VSIP_MEM_NONE);
vsip_rcfftmop_d(f_fftm, in, out);
vsip_crfftmop_d(i_fftm, out, inv);
test_assert(merror_db_d(inv, in) < -100.);
vsip_malldestroy_d(inv);
vsip_cmalldestroy_d(out);
vsip_malldestroy_d(in);
vsip_fftm_destroy_d(i_fftm);
vsip_fftm_destroy_d(f_fftm);
}
int main()
{
int i;
vsip_randstate *state;
vsip_cmview_d *xy;
vsip_cvview_d *xy_row;
vsip_length stride;
vsip_cvview_d *sum;
vsip_fftm_d *ccfftmip;
vsip_length seed =0, num_procs=1, id=1;
vsip_init((void *)0);
/* Initialize Random Number Generator */
state = vsip_randcreate(seed, num_procs, id, VSIP_PRNG);
/* Row major, 64 (ROWS) of 16 point data vectors */
xy = vsip_cmcreate_d(ROWS, 16, VSIP_ROW, VSIP_MEM_NONE);
/* Bind xy_row view initially to row 0 of xy */
xy_row = vsip_cmrowview_d(xy, 0);
/* Stride between column elements of xy */
stride = vsip_cmgetcolstride_d(xy);
sum = vsip_cvcreate_d(N, VSIP_MEM_NONE);
/* Create an in-place Cmplx->Cmplx Multiple N-pt FFT */
ccfftmip = vsip_ccfftmip_create_d(ROWS, N, 1.0, VSIP_FFT_FWD,
VSIP_ROW, 1, VSIP_ALG_TIME);
/* Initialize xy by rows with complex Gaussian noise N(0,1) */
for (i=0; i<ROWS; i++)
{
vsip_cvputoffset_d(xy_row, i*stride); /* view of row i of xy */
vsip_cvrand_d(state,xy_row); /* Initialize row i of xy */
}
/* Compute an in-place Cmplx->Cmplx Multiple N-pt FFT using the
ccfftmip object*/
vsip_ccfftmip_d(ccfftmip, xy);
/* Coherently sum the rows together (in the Freq domain) */
vsip_cvputoffset_d(xy_row, 0);
vsip_cvcopy_d_d(xy_row, sum); /* sum = row 0 of xy */
for (i=1; i<ROWS; i++)
{
vsip_cvputoffset_d(xy_row, i*stride); /* view of row i of xy */
vsip_cvadd_d(xy_row, sum, sum); /* sum += row i of xy */
}
/* Print it */
printf("\nComplex Output Vector (Real, Imag)\n");
for(i=0; i<N; i++)
printf("%d:\t" SCMPLX "\n", i, ACMPLX(vsip_cvget_d(sum,i)));
printf("\n");
/* Destroy all the objects */
vsip_fftm_destroy_d(ccfftmip);
vsip_cvdestroy(xy_row);
vsip_cvdestroy(sum);
vsip_cmalldestroy_d(xy);
vsip_randdestroy(state);
vsip_finalize((void *)0);
return(0);
}
void
test_complex_d(vsip_length N, vsip_major axis)
{
vsip_length rows = 5;
vsip_length cols = N;
if (axis == VSIP_COL)
{
rows = N;
cols = 5;
}
vsip_fftm_d *f_fftm = vsip_ccfftmop_create_d(rows, cols, 1.0,
VSIP_FFT_FWD, axis, 0, VSIP_ALG_SPACE);
vsip_fftm_d *i_fftm = vsip_ccfftmop_create_d(rows, cols, 1.0/N,
VSIP_FFT_INV, axis, 0, VSIP_ALG_SPACE);
vsip_fftm_attr_d attr;
vsip_fftm_getattr_d(f_fftm, &attr);
test_assert(attr.input.r == rows && attr.input.c == cols);
test_assert(attr.output.r == rows && attr.output.c == cols);
vsip_fftm_getattr_d(i_fftm, &attr);
test_assert(attr.input.r == rows && attr.input.c == cols);
test_assert(attr.output.r == rows && attr.output.c == cols);
vsip_cmview_d *in = vsip_cmcreate_d(rows, cols, VSIP_ROW, VSIP_MEM_NONE);
vsip_randstate *rng = vsip_randcreate(0, 1, 1, VSIP_PRNG);
vsip_cmrandu_d(rng, in);
vsip_randdestroy(rng);
vsip_cmview_d *out = vsip_cmcreate_d(rows, cols, VSIP_ROW, VSIP_MEM_NONE);
vsip_cmview_d *inv = vsip_cmcreate_d(rows, cols, VSIP_ROW, VSIP_MEM_NONE);
vsip_ccfftmop_d(f_fftm, in, out);
vsip_ccfftmop_d(i_fftm, out, inv);
test_assert(cmequal_d(inv, in));
vsip_cmalldestroy_d(inv);
vsip_cmalldestroy_d(out);
vsip_cmalldestroy_d(in);
vsip_fftm_destroy_d(i_fftm);
vsip_fftm_destroy_d(f_fftm);
}
int main(){vsip_init((void*)0);
{
void VU_cmprint_d(vsip_cmview_d*);
/* int i;*/
vsip_cmview_d *w = vsip_cmcreate_d(5,L+1,VSIP_ROW,0);
vsip_cmview_d *W = vsip_cmcreate_d(5,L+1,VSIP_ROW,0);
vsip_cmview_d *IW = vsip_cmcreate_d(5,L+1,VSIP_ROW,0);
vsip_vview_d *blackman = vsip_vcreate_blackman_d(L,0),
*hanning = vsip_vcreate_hanning_d(L,0),
*kaiser = vsip_vcreate_kaiser_d(L,beta,0),
*cheby = vsip_vcreate_cheby_d(L,ripple,0);
vsip_fftm_d *fft = vsip_ccfftmop_create_d(4,L,1,VSIP_FFT_FWD,VSIP_ROW,0,0);
vsip_fftm_d *ifft = vsip_ccfftmop_create_d(4, L, 1.0/L, VSIP_FFT_INV, VSIP_ROW,0,0);
/*printf(" blackman ");
printf(" hanning kaiser chebyshev\n");
for(i=0; i < L; i++)
printf("%11.8f; %11.8f; %11.8f; %11.8f\n",
vsip_vget_d(blackman,i),
vsip_vget_d(hanning,i),
vsip_vget_d(kaiser,i),
vsip_vget_d(cheby,i)); */
vsip_cmputcollength_d(w,4);
vsip_cmputcollength_d(W,4);
vsip_cmputcollength_d(IW,4);
vsip_cmputrowlength_d(w,L);
vsip_cmputrowlength_d(W,L);
vsip_cmputrowlength_d(IW,L);
{
vsip_mview_d *wR = vsip_mrealview_d(w);
vsip_mview_d *wI = vsip_mimagview_d(w);
vsip_vview_d *v = vsip_mrowview_d(wR,0);
vsip_vview_d *vi = vsip_mrowview_d(wI,0);
vsip_offset o = (vsip_offset)vsip_mgetcolstride_d(wR);
vsip_offset oi = (vsip_offset)vsip_mgetcolstride_d(wI);
vsip_vcopy_d_d(blackman,v);
vsip_vfill_d(0,vi);
vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o);
vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi);
vsip_vcopy_d_d(hanning,v);
vsip_vfill_d(0,vi);
vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o);
vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi);
vsip_vcopy_d_d(kaiser,v);
vsip_vfill_d(0,vi);
vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o);
vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi);
vsip_vcopy_d_d(cheby,v);
vsip_vfill_d(0,vi);
vsip_mdestroy_d(wR);
vsip_vdestroy_d(v);
vsip_mdestroy_d(wI);
vsip_vdestroy_d(vi);
}
vsip_ccfftmop_d(fft,w,W);
vsip_ccfftmop_d(ifft,W,IW);
printf(" w = ");VU_cmprint_d(w);
printf(" W = ");VU_cmprint_d(W);
printf("IW = ");VU_cmprint_d(IW);
{/* test vsip_fftm_getattr_d */
vsip_fftm_attr_d attr;
vsip_fftm_getattr_d(fft, &attr);
printf("%lu %lu %lu %lu %d %f %d %d\n",
vsip_rowindex(attr.input),
vsip_colindex(attr.input),
vsip_rowindex(attr.output),
vsip_colindex(attr.output),
attr.place,attr.scale,attr.dir,attr.major);
vsip_fftm_getattr_d(ifft, &attr);
printf("%lu %lu %lu %lu %d %f %d %d\n",
vsip_rowindex(attr.input),
vsip_colindex(attr.input),
vsip_rowindex(attr.output),
vsip_colindex(attr.output),
attr.place,attr.scale,attr.dir,attr.major);
}
vsip_fftm_destroy_d(fft);
vsip_fftm_destroy_d(ifft);
vsip_valldestroy_d(blackman);
vsip_valldestroy_d(hanning);
vsip_valldestroy_d(kaiser);
vsip_valldestroy_d(cheby);
vsip_cmalldestroy_d(w);
vsip_cmalldestroy_d(W);
vsip_cmalldestroy_d(IW);
}vsip_finalize((void*)0);return 0;
}
