int main()
{
int i;
/* define some data space */
vsip_cvview_d* dataComplex;
vsip_cvview_d* dataComplexQuotient;
vsip_init((void *)0);
dataComplex = vsip_cvcreate_d(L, VSIP_MEM_NONE);
dataComplexQuotient = vsip_cvcreate_d(L, VSIP_MEM_NONE);
/* put some complex data in dataComplex */
for(i = 0; i < L; i++)
vsip_cvput_d(dataComplex,i,
vsip_cmplx_d((double)(i * i),(double)(i+1)));
/*divide dataComplex by some denom and print the input and output */
vsip_cvrsdiv_d(dataComplex,denom,dataComplexQuotient);
for(i=0; i<L; i++)
printf("(%7.4f + %7.4fi) / %7.4f) = (%7.4f + %7.4fi)\n",
vsip_real_d(vsip_cvget_d(dataComplex,i)),
vsip_imag_d(vsip_cvget_d(dataComplex,i)),
denom,
vsip_real_d(vsip_cvget_d(dataComplexQuotient,i)),
vsip_imag_d(vsip_cvget_d(dataComplexQuotient,i)));
vsip_cblockdestroy_d(vsip_cvdestroy_d(dataComplex));
vsip_cblockdestroy_d(vsip_cvdestroy_d(dataComplexQuotient));
vsip_finalize((void *)0);
return 0;
}
int main()
{
int i;
vsip_cvview_d* dataEuler;
vsip_vview_d* data;
vsip_init((void *)0);
dataEuler = vsip_cvcreate_d(L, VSIP_MEM_NONE);
data = vsip_vcreate_d(L, VSIP_MEM_NONE);
/* Make up some data */
/* Compute a ramp from zero to 2pi */
vsip_vramp_d(0.0, (2.0 * PI / (double) (L - 1)), data);
/* Compute Euler */
vsip_veuler_d(data,dataEuler);
/* Now print out data and dataEuler */
for(i=0; i < L; i++)
{
printf(" %7.4f => (%7.4f, %7.4f)\n",vsip_vget_d(data,i),
vsip_real_d(vsip_cvget_d(dataEuler,i)),
vsip_imag_d(vsip_cvget_d(dataEuler,i)));
}
/* Destroy the vector views and any associated blocks */
vsip_blockdestroy_d(vsip_vdestroy_d(data));
vsip_cblockdestroy_d(vsip_cvdestroy_d(dataEuler));
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;
}
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;
}
static vsip_cmview_d* VU_cI_d(vsip_length M)
{
vsip_cmview_d *I = vsip_cmcreate_d(M,M,VSIP_ROW,VSIP_MEM_NONE);
if(I != NULL){
vsip_cvview_d *row = vsip_cmrowview_d(I,0);
if(row != NULL){
vsip_cvputlength_d(row,(vsip_length)(M * M));
vsip_cvfill_d(vsip_cmplx_d(0.0,0.0),row);
vsip_cvputlength_d(row,M);
vsip_cvputstride_d(row,(vsip_stride) (M + 1));
vsip_cvfill_d(vsip_cmplx_d(1.0,0.0),row);
vsip_cvdestroy_d(row);
} else {
vsip_cmdestroy_d(I);
return (vsip_cmview_d*) NULL;
}
} else {
return (vsip_cmview_d*) NULL;
}
return I;
}
void
ref_ccorr_d(vsip_bias bias, vsip_support_region sup,
vsip_cvview_d const *ref,
vsip_cvview_d const *in,
vsip_cvview_d const *out)
{
vsip_length M = vsip_cvgetlength_d(ref);
vsip_length N = vsip_cvgetlength_d(in);
vsip_length P = vsip_cvgetlength_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_cvview_d *sub = vsip_cvcreate_d(M, VSIP_MEM_NONE);
// compute correlation
vsip_index i;
for (i=0; i<P; ++i)
{
vsip_cvfill_d(vsip_cmplx_d(0,0), sub);
vsip_stride pos = (vsip_stride)i + shift;
double scale;
if (pos < 0)
{
vsip_cvview_d *subsub = vsip_cvsubview_d(sub, -pos, M + pos);
vsip_cvview_d *insub = vsip_cvsubview_d(in, 0, M + pos);
vsip_cvcopy_d_d(insub, subsub);
vsip_cvdestroy_d(subsub);
vsip_cvdestroy_d(insub);
scale = M + pos;
}
else if (pos + M > N)
{
vsip_cvview_d *subsub = vsip_cvsubview_d(sub, 0, N - pos);
vsip_cvview_d *insub = vsip_cvsubview_d(in, pos, N - pos);
vsip_cvcopy_d_d(insub, subsub);
vsip_cvdestroy_d(subsub);
vsip_cvdestroy_d(insub);
scale = N - pos;
}
else
{
vsip_cvview_d *insub = vsip_cvsubview_d(in, pos, M);
vsip_cvcopy_d_d(insub, sub);
vsip_cvdestroy_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
vsip_cscalar_d val = vsip_cvjdot_d(ref, sub);
if (bias == VSIP_UNBIASED)
{
val.r /= scale;
val.i /= scale;
}
vsip_cvput_d(out, i, val);
}
}
int main(){vsip_init((void*)0);
{
vsip_cmview_d *Adummy = vsip_cmcreate_d(5*NN,5*NN,VSIP_COL,0);
vsip_cmview_d *A = vsip_cmsubview_d(Adummy,3,2,NN,NN);
/* vsip_cmview_d *A= vsip_cmcreate_d(NN,NN,VSIP_COL,0); */
vsip_cvview_d *x0 = vsip_cvcreate_d(NN,0);
vsip_vview_d *x0_r = vsip_vrealview_d(x0);
vsip_vview_d *x0_i = vsip_vimagview_d(x0);
vsip_cmview_d *X = vsip_cmcreate_d(NN,3,VSIP_ROW,0);
vsip_cmview_d *XT = vsip_cmcreate_d(NN,3,VSIP_COL,0);
vsip_cmputrowstride_d(A,2*vsip_cmgetrowstride_d(A));
vsip_cmputcolstride_d(A,3*vsip_cmgetcolstride_d(A));
/* matrix data */
vsip_cmput_d(A,0,0,vsip_cmplx_d(0.5,0.1)); vsip_cmput_d(A,0,1,vsip_cmplx_d(7,0.1));
vsip_cmput_d(A,0,2,vsip_cmplx_d(10,0.1)); vsip_cmput_d(A,0,3,vsip_cmplx_d(12,0.1));
vsip_cmput_d(A,0,4,vsip_cmplx_d(-3,0.1)); vsip_cmput_d(A,0,5,vsip_cmplx_d(0,0.1)); vsip_cmput_d(A,0,6,vsip_cmplx_d(.05,0.1));
vsip_cmput_d(A,1,0,vsip_cmplx_d(2,0.1)); vsip_cmput_d(A,1,1,vsip_cmplx_d(13,0.1));
vsip_cmput_d(A,1,2,vsip_cmplx_d(18,0.1)); vsip_cmput_d(A,1,3,vsip_cmplx_d(6,0.1));
vsip_cmput_d(A,1,4,vsip_cmplx_d(0,0.1)); vsip_cmput_d(A,1,5,vsip_cmplx_d(130,0.1)); vsip_cmput_d(A,1,6,vsip_cmplx_d(8,0.1));
vsip_cmput_d(A,2,0,vsip_cmplx_d(3,0.1)); vsip_cmput_d(A,2,1,vsip_cmplx_d(-9,0.1));
vsip_cmput_d(A,2,2,vsip_cmplx_d(2,0.1)); vsip_cmput_d(A,2,3,vsip_cmplx_d(3,0.2));
vsip_cmput_d(A,2,4,vsip_cmplx_d(2,0.2)); vsip_cmput_d(A,2,5,vsip_cmplx_d(-9,0.2)); vsip_cmput_d(A,2,6,vsip_cmplx_d(6,0.2));
vsip_cmput_d(A,3,0,vsip_cmplx_d(4,0.2)); vsip_cmput_d(A,3,1,vsip_cmplx_d(2,0.2));
vsip_cmput_d(A,3,2,vsip_cmplx_d(2,0.2)); vsip_cmput_d(A,3,3,vsip_cmplx_d(4,0.2));
vsip_cmput_d(A,3,4,vsip_cmplx_d(1,0.2)); vsip_cmput_d(A,3,5,vsip_cmplx_d(2,0.2)); vsip_cmput_d(A,3,6,vsip_cmplx_d(3,0.2));
vsip_cmput_d(A,4,0,vsip_cmplx_d(.2,0.3)); vsip_cmput_d(A,4,1,vsip_cmplx_d(2,0.3));
vsip_cmput_d(A,4,2,vsip_cmplx_d(9,0.3)); vsip_cmput_d(A,4,3,vsip_cmplx_d(4,0.3));
vsip_cmput_d(A,4,4,vsip_cmplx_d(1,0.3)); vsip_cmput_d(A,4,5,vsip_cmplx_d(2,0.3));
vsip_cmput_d(A,4,6,vsip_cmplx_d(3,0.3));
vsip_cmput_d(A,5,0,vsip_cmplx_d(.1,0.4)); vsip_cmput_d(A,5,1,vsip_cmplx_d(2,0.4));
vsip_cmput_d(A,5,2,vsip_cmplx_d(.3,0.4)); vsip_cmput_d(A,5,3,vsip_cmplx_d(4,0.4));
vsip_cmput_d(A,5,4,vsip_cmplx_d(1,0.4)); vsip_cmput_d(A,5,5,vsip_cmplx_d(2,0.4)); vsip_cmput_d(A,5,6,vsip_cmplx_d(3,0.4));
vsip_cmput_d(A,6,0,vsip_cmplx_d(.01,0.4)); vsip_cmput_d(A,6,1,vsip_cmplx_d(.2,0.4));
vsip_cmput_d(A,6,2,vsip_cmplx_d(3,0.4)); vsip_cmput_d(A,6,3,vsip_cmplx_d(4,0.4));
vsip_cmput_d(A,6,4,vsip_cmplx_d(1,0.4)); vsip_cmput_d(A,6,5,vsip_cmplx_d(2,0.4)); vsip_cmput_d(A,6,6,vsip_cmplx_d(3,0.4));
{ /* were solving for NTRANS Ax = B */
/* use a known X, calculate B using Ax */
int k;
vsip_cvview_d *x;
vsip_cmview_d *AT = vsip_cmcreate_d(NN,NN,VSIP_ROW,VSIP_MEM_NONE);
vsip_length L = vsip_cmgetrowlength_d(X);
vsip_cmherm_d(A,AT);
printf("A = "); VU_cmprintm_d("7.4",A);
printf("AT = "); VU_cmprintm_d("7.4",AT);
vsip_vramp_d(1,1,x0_r);
vsip_vramp_d(1,-1,x0_i);
for(k=0; k<L; k++){
x = vsip_cmcolview_d(X,k);
vsip_cmvprod_d(A,x0,x);
vsip_rscvmul_d(2.0,x0,x0);
vsip_cvdestroy_d(x);
}
vsip_vramp_d(1,1,x0_r);
vsip_vramp_d(1,-1,x0_i);
for(k=0; k<L; k++){
x = vsip_cmcolview_d(XT,k);
vsip_cmvprod_d(AT,x0,x);
VU_cvprintm_d("7.4",x0);
vsip_rscvmul_d(2.0,x0,x0);
vsip_cvdestroy_d(x);
}
vsip_cmalldestroy_d(AT);
printf("B = "); VU_cmprintm_d("7.4",X);
printf("BT = "); VU_cmprintm_d("7.4",XT);
{
/* then solve to see if we get X back */
vsip_clu_d* luAop = vsip_clud_create_d(NN);
if(luAop == NULL) exit(1);
vsip_clud_d(luAop,A);
{ vsip_clu_attr_d attr;
vsip_clud_getattr_d(luAop,&attr);
printf("lud size %lu\n",attr.n);
}
vsip_clusol_d(luAop,VSIP_MAT_NTRANS,X);
vsip_clusol_d(luAop,VSIP_MAT_HERM,XT);
vsip_clud_destroy_d(luAop);
}
}
printf("A\\X = "); VU_cmprintm_d("9.6",X);
printf("A'\\X = "); VU_cmprintm_d("9.6",XT);
{
vsip_vdestroy_d(x0_r);vsip_vdestroy_d(x0_i);
vsip_cvalldestroy_d(x0);
vsip_cmalldestroy_d(X);
vsip_cmalldestroy_d(A);
}
}vsip_finalize((void*)0);return 1;
}
void (vsip_cvalldestroy_d)(
vsip_cvview_d* v) { /* vector view destructor*/
vsip_cblockdestroy_d(vsip_cvdestroy_d(v));
}
