int main()
{
vsip_vview_d *dataA;
vsip_vview_d *dataB;
vsip_vview_vi *Index;
vsip_vview_bl *dataBl;
int i;
vsip_length N;
vsip_init((void *)0);
dataA = vsip_vcreate_d(L, VSIP_MEM_NONE);
dataB = vsip_vcreate_d(L, VSIP_MEM_NONE);
Index = vsip_vcreate_vi(L, VSIP_MEM_NONE);
dataBl= vsip_vcreate_bl(L, VSIP_MEM_NONE);
/* make up some data */
vsip_vramp_d(0,2 * PI/(L-1),dataA);
vsip_vcos_d(dataA,dataB);
/* find out where dataB is greater than zero */
vsip_vfill_d(0,dataA);
vsip_vlgt_d(dataB,dataA,dataBl);
/* find the index where dataB is greater than zero */
if((N = vsip_vindexbool(dataBl,Index)))
{
/* make a vector of those points where dataB is greater than zero*/
vsip_vgather_d(dataB,Index,vsip_vputlength_d(dataA,N));
/*print out the results */
printf("Index Value\n");
for(i=0; i<N; i++)
printf("%li %6.3f\n",
vsip_vget_vi(Index,i),
vsip_vget_d(dataA,i));
}
else
{
printf("Zero Length Index");
exit(0);
}
vsip_vfill_d(0,dataB);
vsip_vscatter_d(dataA,dataB,Index);
for(i=0; i<L; i++)
printf("%6.3f\n",vsip_vget_d(dataB,i));
/*recover the data space*/
vsip_blockdestroy_d(vsip_vdestroy_d(dataA));
vsip_blockdestroy_d(vsip_vdestroy_d(dataB));
vsip_blockdestroy_vi(vsip_vdestroy_vi(Index));
vsip_blockdestroy_bl(vsip_vdestroy_bl(dataBl));
vsip_finalize((void *)0);
return 0;
}
vsip_mview_d* VU_I_d(vsip_length M)
{
vsip_mview_d *I = vsip_mcreate_d(M,M,VSIP_ROW,VSIP_MEM_NONE);
if(I != NULL){
vsip_vview_d *row = vsip_mrowview_d(I,0);
if(row != NULL){
vsip_vputlength_d(row,(vsip_length)(M * M));
vsip_vfill_d((vsip_scalar_d)0.0,row);
vsip_vputlength_d(row,M);
vsip_vputstride_d(row,(vsip_stride) (M + 1));
vsip_vfill_d((vsip_scalar_d)1.0,row);
vsip_vdestroy_d(row);
} else {
vsip_mdestroy_d(I);
return (vsip_mview_d*) NULL;
}
} else {
return (vsip_mview_d*) NULL;
}
return I;
}
int main (){vsip_init((void*)0);
{
int i;
vsip_cvview_d* vector = vsip_cvcreate_d(L,0);
vsip_vview_d* realIn = vsip_vrealview_d(vector);
vsip_vview_d* imagIn = vsip_vimagview_d(vector);
vsip_fft_d* fftplan = vsip_ccfftip_create_d(L,1,-1,0,0);
vsip_fft_d* fftplanI = vsip_ccfftip_create_d(L,(double)1/L,1,0,0);
char printDataOne[L][20],
printDataTwo[L][30];
/* put some data in realIn*/
vsip_vramp_d(0, 2 * VU_PI * F, realIn);
vsip_vcos_d(realIn,realIn);
/* print realIn */
for(i=0; i<L; i++){
sprintf(printDataOne[i],"%2d input -> %7.4f",i, vsip_vget_d(realIn,i));
}
/*make sure imagIn is full of zeros*/
vsip_vfill_d(0,imagIn);
/*find the fft*/
vsip_ccfftip_d(fftplan,vector);
for(i=0; i<L; i++){
sprintf(printDataTwo[i]," fft -> (%7.3f, %7.3f)",
vsip_real_d(vsip_cvget_d(vector,i)),
vsip_imag_d(vsip_cvget_d(vector,i)));
}
/*invert the fft*/
vsip_ccfftip_d(fftplanI,vector);
/*print it */
for(i=0; i<L; i++){
printf("%s %s ifft -> (%7.3f, %7.3f)\n",
printDataOne[i],
printDataTwo[i],
vsip_real_d(vsip_cvget_d(vector,i)),
vsip_imag_d(vsip_cvget_d(vector,i)));
}
{
vsip_vdestroy_d((void*)imagIn);
vsip_vdestroy_d((void*)realIn);
vsip_cblockdestroy_d(vsip_cvdestroy_d((void*)vector));
vsip_fft_destroy_d((void*)fftplan);
vsip_fft_destroy_d((void*)fftplanI);
}
} vsip_finalize((void*)0);return 0;
}
int main()
{
int i;
/* define some vectors */
vsip_vview_d* dataReOne;
vsip_vview_d* dataReTwo;
vsip_vview_d* dataReQuotient;
vsip_cvview_d* dataComplex;
vsip_cvview_d* dataComplexQuotient;
vsip_init((void *)0);
dataReOne = vsip_vcreate_d(L, VSIP_MEM_NONE);
dataReTwo = vsip_vcreate_d(L, VSIP_MEM_NONE);
dataReQuotient = vsip_vcreate_d(L, VSIP_MEM_NONE);
dataComplex = vsip_cvcreate_d(L, VSIP_MEM_NONE);
dataComplexQuotient = vsip_cvcreate_d(L, VSIP_MEM_NONE);
/* make up some data */
vsip_vramp_d(1,1,dataReOne);
vsip_vfill_d(2,dataReTwo);
vsip_vcmplx_d(dataReTwo,dataReOne,dataComplex);
/*divide one by two and print the input and output */
vsip_vdiv_d(dataReOne,dataReTwo,dataReQuotient);
for(i=0; i<L; i++)
printf("%7.4f / %7.4f = %7.4f\n",
vsip_vget_d(dataReOne,i), vsip_vget_d(dataReTwo,i),
vsip_vget_d(dataReQuotient,i)); printf("\n");
/*divide one by complex and print the input and output */
vsip_rcvdiv_d(dataReOne,dataComplex,dataComplexQuotient);
for(i=0; i<L; i++)
printf("%7.4f / (%7.4f + %7.4fi) = (%7.4f + %7.4fi)\n",
vsip_vget_d(dataReOne,i),
vsip_real_d(vsip_cvget_d(dataComplex,i)),
vsip_imag_d(vsip_cvget_d(dataComplex,i)),
vsip_real_d(vsip_cvget_d(dataComplexQuotient,i)),
vsip_imag_d(vsip_cvget_d(dataComplexQuotient,i)));
/* destroy created objects */
vsip_blockdestroy_d(vsip_vdestroy_d(dataReOne));
vsip_blockdestroy_d(vsip_vdestroy_d(dataReTwo));
vsip_blockdestroy_d(vsip_vdestroy_d(dataReQuotient));
vsip_cblockdestroy_d(vsip_cvdestroy_d(dataComplex));
vsip_cblockdestroy_d(vsip_cvdestroy_d(dataComplexQuotient));
vsip_finalize((void *)0);
return 0;
}
int main (){ vsip_init((void*)0);
{
int i;
vsip_cblock_d* blockOut = vsip_cblockcreate_d(2 * L, 0);
vsip_cvview_d* vectorOut = vsip_cvbind_d(blockOut,0,2,L);
vsip_cvview_d* vectorIn = vsip_cvcreate_d(L,0);
vsip_vview_d* realIn = vsip_vrealview_d(vectorIn);
vsip_vview_d* imagIn = vsip_vimagview_d(vectorIn);
vsip_fft_d* fftplan = vsip_ccfftop_create_d(L,1,-1,0,0);
vsip_fft_d* fftplanI = vsip_ccfftop_create_d(L,(double)1/L,1,0,0);
char inputdata[L][20];
/* put some data in realIn*/
vsip_vramp_d(0, 2 * PI * F, realIn);
vsip_vcos_d(realIn,realIn);
/* print realIn */
for(i=0; i<L; i++)
sprintf(inputdata[i],"%2d input-> %7.3f",i, vsip_vget_d(realIn,i));
/*make sure imagIn is full of zeros*/
vsip_vfill_d(0,imagIn);
/*find the fft*/
vsip_ccfftop_d(fftplan,vectorIn,vectorOut);
/*invert the fft*/
vsip_ccfftop_d(fftplanI,vectorOut,vectorIn);
/*print it */
for(i=0; i<L; i++)
printf("%s fft -> (%7.3f, %7.3f) ifft -> (%7.3f, %7.3f)\n",
inputdata[i],
vsip_real_d(vsip_cvget_d(vectorOut,i)),
vsip_imag_d(vsip_cvget_d(vectorOut,i)),
vsip_real_d(vsip_cvget_d(vectorIn,i)),
vsip_imag_d(vsip_cvget_d(vectorIn,i)));
{
vsip_vdestroy_d(imagIn);
vsip_vdestroy_d(realIn);
vsip_cblockdestroy_d(vsip_cvdestroy_d(vectorIn));
vsip_cblockdestroy_d(vsip_cvdestroy_d(vectorOut));
vsip_fft_destroy_d(fftplan);
vsip_fft_destroy_d(fftplanI);
}
} vsip_finalize((void*)0);return 0;
}
void
ref_corr_d(vsip_bias bias, vsip_support_region sup,
vsip_vview_d const *ref,
vsip_vview_d const *in,
vsip_vview_d const *out)
{
vsip_length M = vsip_vgetlength_d(ref);
vsip_length N = vsip_vgetlength_d(in);
vsip_length P = vsip_vgetlength_d(out);
vsip_length expected_P = ref_corr_output_size(sup, M, N);
vsip_stride shift = ref_expected_shift(sup, M);
assert(expected_P == P);
vsip_vview_d *sub = vsip_vcreate_d(M, VSIP_MEM_NONE);
// compute correlation
vsip_index i;
for (i=0; i<P; ++i)
{
vsip_vfill_d(0, sub);
vsip_stride pos = (vsip_stride)i + shift;
double scale;
if (pos < 0)
{
vsip_vview_d *subsub = vsip_vsubview_d(sub, -pos, M + pos);
vsip_vview_d *insub = vsip_vsubview_d(in, 0, M + pos);
vsip_vcopy_d_d(insub, subsub);
vsip_vdestroy_d(subsub);
vsip_vdestroy_d(insub);
scale = M + pos;
}
else if (pos + M > N)
{
vsip_vview_d *subsub = vsip_vsubview_d(sub, 0, N - pos);
vsip_vview_d *insub = vsip_vsubview_d(in, pos, N - pos);
vsip_vcopy_d_d(insub, subsub);
vsip_vdestroy_d(subsub);
vsip_vdestroy_d(insub);
scale = N - pos;
}
else
{
vsip_vview_d *insub = vsip_vsubview_d(in, pos, M);
vsip_vcopy_d_d(insub, sub);
vsip_vdestroy_d(insub);
scale = M;
}
#if VSIP_IMPL_CORR_CORRECT_SAME_SUPPORT_SCALING
#else
if (sup == VSIP_SUPPORT_SAME)
{
if (i < (M/2)) scale = i + (M+1)/2; // i + ceil(M/2)
else if (i < N - (M/2)) scale = M; // M
else scale = N - 1 + (M+1)/2 - i; // N-1+ceil(M/2)-i
}
#endif
double val = vsip_vdot_d(ref, sub);
if (bias == VSIP_UNBIASED) val /= scale;
vsip_vput_d(out, i, val);
}
}
void
test_corr_d(vsip_support_region support, vsip_bias bias,
vsip_length ref_size, vsip_length input_size)
{
vsip_length const n_loop = 3;
vsip_length const output_size = ref_corr_output_size(support, ref_size, input_size);
vsip_corr1d_d *corr = vsip_corr1d_create_d(ref_size, input_size, support, 0, VSIP_ALG_SPACE);
vsip_corr1d_attr attr;
vsip_corr1d_getattr_d(corr, &attr);
test_assert(attr.support == support);
test_assert(attr.ref_len == ref_size);
test_assert(attr.data_len == input_size);
test_assert(attr.lag_len == output_size);
vsip_randstate *rand = vsip_randcreate(0, 1, 1, VSIP_PRNG);
vsip_vview_d *ref = vsip_vcreate_d(ref_size, VSIP_MEM_NONE);
vsip_vview_d *in = vsip_vcreate_d(input_size, VSIP_MEM_NONE);
vsip_vview_d *out = vsip_vcreate_d(output_size, VSIP_MEM_NONE);
vsip_vfill_d(100, out);
vsip_vview_d *chk = vsip_vcreate_d(output_size, VSIP_MEM_NONE);
vsip_vfill_d(101, chk);
vsip_index loop;
for (loop=0; loop<n_loop; ++loop)
{
if (loop == 0)
{
vsip_vfill_d(1, ref);
vsip_vramp_d(0, 1, in);
}
else if (loop == 1)
{
vsip_vrandu_d(rand, ref);
vsip_vramp_d(0, 1, in);
}
else
{
vsip_vrandu_d(rand, ref);
vsip_vrandu_d(rand, in);
}
vsip_correlate1d_d(corr, bias, ref, in, out);
ref_corr_d(bias, support, ref, in, chk);
double error = verror_db_d(out, chk);
#if VERBOSE
if (error > -100)
{
vsip_index i;
for (i=0; i<output_size; ++i)
{
printf("%d : out = %f, chk = %f\n", i, vsip_vget_d(out, i), vsip_vget_d(chk, i));
}
printf("error = %f\n", error);
}
#endif
test_assert(error < -100);
}
}
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;
}
int main(){vsip_init((void*)0);
{
vsip_mview_d *A = vsip_mcreate_d(N,N,VSIP_ROW,0);
vsip_vview_d *x0 = vsip_vcreate_d(N,0);
vsip_vview_d *b = vsip_vcreate_d(N,0);
vsip_mview_d *X = vsip_mcreate_d(N,3,VSIP_ROW,0);
vsip_mview_d *XT = vsip_mcreate_d(N,3,VSIP_ROW,0);
vsip_vramp_d(1,1,x0); vsip_vmul_d(x0,x0,x0);
{ int i;
vsip_vview_d *r = vsip_mrowview_d(A,0);
vsip_offset o = vsip_vgetoffset_d(r);
for(i=0; i<N; i++){
vsip_vputoffset_d(r,o);
vsip_vramp_d(i,1,r);
o +=N;
}
vsip_vdestroy_d(r);
}
{ vsip_vview_d *r = vsip_mdiagview_d(A,0);
vsip_vfill_d(0,r);
vsip_vdestroy_d(r);
}
{int i,j; printf("A = [\n"); for(i=0; i<N; i++){
for(j=0; j<N; j++) printf("%9.2f%s",vsip_mget_d(A,i,j),(j == N-1) ? "":",");
printf(";\n");
}
printf("]\n");
}
{ int k;
vsip_vview_d *x;
vsip_length L = vsip_mgetrowlength_d(X);
for(k=0; k<L; k++){
x = vsip_mcolview_d(X,k);
vsip_mvprod_d(A,x0,b);
vsip_vcopy_d_d(b,x);
vsip_svmul_d(2.0,x0,x0);
vsip_vdestroy_d(x);
}
{int i,j; printf("X = [\n"); for(i=0; i<N; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
printf("]\n");
}
{vsip_lu_d* luAop = vsip_lud_create_d(N);
vsip_mcopy_d_d(X,XT);
if(luAop == NULL) exit(1);
vsip_lud_d(luAop,A);
vsip_lusol_d(luAop,0,X);
vsip_lusol_d(luAop,1,XT);
vsip_lud_destroy_d(luAop);
}
}
{int i,j; printf("A\\X\n"); for(i=0; i<N; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{int i,j; printf("A'\\X\n"); for(i=0; i<N; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(XT,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{
vsip_valldestroy_d(b);
vsip_valldestroy_d(x0);
vsip_malldestroy_d(X);
vsip_malldestroy_d(A);
}
}vsip_finalize((void*)0);return 1;
}
