void VU_cmconjIP_f(vsip_cmview_f *R)
{
vsip_cvview_f *R_row = vsip_cmrowview_f(R,0);
vsip_length MR = vsip_cmgetcollength_f(R);
vsip_stride Rcs = vsip_cmgetcolstride_f(R);
vsip_offset offset = vsip_cmgetoffset_f(R);
while(MR-- > 1){
vsip_cvconj_f(R_row,R_row);
offset += Rcs;
vsip_cvputoffset_f(R_row,offset);
}vsip_cvconj_f(R_row,R_row);
vsip_cvdestroy_f(R_row);
}
void VU_cmprodqh_f(
vsip_cmview_f *C,
vsip_cmview_f *H,
vsip_scalar_f *beta)
{
vsip_cmattr_f attr_C,attr_C0;
vsip_cmattr_f attr_H0;
vsip_cvattr_f attr_h,attr_v0;
vsip_cvview_f *h = vsip_cmcolview_f(H,0);
vsip_length m,n;
vsip_length j;
vsip_stride k;
vsip_cvview_f *v, *w;
vsip_cmgetattrib_f(C,&attr_C);
vsip_cvgetattrib_f(h,&attr_h);
vsip_cmgetattrib_f(H,&attr_H0);
attr_C0 = attr_C;
m = attr_C.col_length;
n = attr_C.row_length;
v = vsip_cvcreate_f(n,0);
vsip_cvgetattrib_f(v,&attr_v0);
w = vsip_cvcreate_f(m,0);
vsip_cvfill_f(vsip_cmplx_f(0,0),v);
for(k= attr_H0.row_length - 1; k >= 0; k--){
j = (vsip_length)k;
attr_h.offset = j * attr_H0.row_stride +
j * attr_H0.col_stride + attr_H0.offset;
attr_h.length = attr_H0.col_length - j;
vsip_cvputlength_f(v,attr_h.length);
vsip_cvputoffset_f(v,n - attr_h.length);
vsip_cvputattrib_f(h,&attr_h);
vsip_cvcopy_f_f(h,v);
vsip_cvput_f(v,0,vsip_cmplx_f(1,0));
vsip_cvputattrib_f(v,&attr_v0);
VU_rscmvprod_f(-beta[j],C,v,w);
VU_copuh_f(C,w,v);
}
vsip_cmputattrib_f(C,&attr_C0);
vsip_cvdestroy_f(h);
vsip_cvalldestroy_f(v);
vsip_cvalldestroy_f(w);
return;
}
int main(int argc, char **argv)
{
vsip_scalar_f userArray[2*N];
vsip_cblock_f *blk;
vsip_cvview_f *vw;
vsip_dda_cvdata_f *data;
vsip_dda_cvdataattr_f attrib;
vsip_cscalar_f *arrayPtr;
vsip_scalar_f *interPtr;
vsip_scalar_f *splitRealPtr, *splitImagPtr;
vsip_scalar_f *data1ptr, *data2ptr;
vsip_init((void *)0);
blk = vsip_cblockbind_f(&userArray[0], 0, N, VSIP_MEM_NONE);
/* TODO: Handle error */
/* NOTE
* The block bind call above implies an INTERLEAVED storage format in the
* user array, but once admitted, the implementation may use a different
* storage format.
*/
vsip_cblockadmit_f(blk, 0); /* TODO: Handle error */
vw = vsip_cvbind_f(blk, 0, 1, N); /* TODO: Handle error */
/* NOTE
* No layout is provided when the data object is created, so the view's own
* layout is used.
*/
data = vsip_dda_cvdatacreate_f(vw, 0, VSIP_DDA_SYNC_POLICY_OUT, 0);
/* TODO: Handle error */
vsip_dda_cvdatagetattrib_f(data, &attrib); /* TODO: Handle error */
/* NOTE
* Since the layout of the data object is not specified, the data object
* attributes must retrieved, and the storage format checked, to determine
* which complex pointer accessor to use.
*/
if(VSIP_STORAGE_FORMAT_ARRAY == attrib.layout->storage_format)
{
arrayPtr = vsip_dda_cvptr_as_array_f(data); /* TODO: Handle error */
arrayPtr[0].r = 1.0F; arrayPtr[0].i = -1.0F;
}
else if(VSIP_STORAGE_FORMAT_INTERLEAVED_COMPLEX
== attrib.layout->storage_format)
{
interPtr = vsip_dda_cvptr_as_inter_f(data); /* TODO: Handle error */
interPtr[0] = 1.0F; interPtr[1] = -1.0F;
}
else if(VSIP_STORAGE_FORMAT_SPLIT_COMPLEX == attrib.layout->storage_format)
{
vsip_dda_cvptr_as_split_f(data, &splitRealPtr, &splitImagPtr);
/* TODO: Handle error */
splitRealPtr[0] = 1.0F; splitImagPtr[0] = -1.0F;
}
vsip_dda_cvdatadestroy_f(data); /* TODO: Handle error */
/* NOTE
* Because of the OUT synchronization policy, the proxied view will have
* been updated with the contents of any DDA buffers.
*/
vsip_cvdestroy_f(vw); /* TODO: Handle error */
vsip_cblockrelease_f(blk, 1, &data1ptr, &data2ptr); /* TODO: Handle error */
vsip_cblockdestroy_f(blk);
vsip_finalize((void *)0);
return 0;
}
int main(){vsip_init((void*)0);
{
int i,j, solretval=0;
vsip_cmview_f *A = vsip_cmcreate_f(M,N,VSIP_COL,0);
vsip_cmview_f *X = vsip_cmcreate_f(M,NB,VSIP_ROW,0);
/* Nullify the data-space */
for (i=0; i < vsip_cmgetcollength_f(A); i++)
for(j=0; j < vsip_cmgetrowlength_f(A); j++)
vsip_cmput_f(A,i,j,vsip_cmplx_f(0,0));
for (i=0; i < vsip_cmgetcollength_f(X); i++)
for(j=0; j < vsip_cmgetrowlength_f(X); j++)
vsip_cmput_f(X,i,j,vsip_cmplx_f(0,0));
/* Initialise matrix A */
for (i=0; i<M; i++)
for (j = 0; j < N; j++)
if(i == j)
vsip_cmput_f(A,i,j,vsip_cmplx_f(M+1, 0));
else if(i > j)
vsip_cmput_f(A,i,j, vsip_cmplx_f(1,1));
else if(i < j)
vsip_cmput_f(A,i,j,vsip_cmplx_f(1,-1));
{int i,j;
printf("A matrix\nA = [\n");
for(i=0; i<M; i++)
{
for(j=0; j< N; j++)
printf("%6.2f+%6.2fi%s",
vsip_real_f(vsip_cmget_f(A,i,j)),
vsip_imag_f(vsip_cmget_f(A,i,j)),(j == N-1) ? "":",");
(i == M - 1) ? printf("]\n") : printf(";\n");
}
}
{ int j, k;
vsip_cvview_f *y = NULL;
vsip_cvview_f *x;
vsip_vview_f *yr = NULL, *yi = NULL;
vsip_length L = NB;
vsip_length p = M;
for(k=0; k<L; k++)
{
x = vsip_cmcolview_f(X,k);
for (j=0; j<p; j++)
{
y = vsip_cmrowview_f(A,j);
yr = vsip_vrealview_f(y);
yi = vsip_vimagview_f(y);
vsip_cvput_f(x,j, vsip_cmplx_f((double)(k+1)*(vsip_vsumval_f(yr)),
(double) (k+1)*(vsip_vsumval_f(yi))));
/* vsip_vput_f(x,j,(vsip_vsumval_f(y)));*/
vsip_cvdestroy_f(y);
vsip_vdestroy_f(yr);
vsip_vdestroy_f(yi);
}
vsip_cvdestroy_f(x);
}
}
{int i,j;
printf("rhs matrix\nB = [\n");
for(i=0; i<NN; i++)
{
for(j=0; j<NB; j++)
printf("%7.2f+%7.2fi%s",
vsip_real_f(vsip_cmget_f(X,i,j)),
vsip_imag_f(vsip_cmget_f(X,i,j)),(j == NB-1) ? "":",");
(i == NN - 1) ? printf("]\n") : printf(";\n");
}
}
{vsip_cqr_f* qrAop = vsip_cqrd_create_f(M,N, QOPT);
if(qrAop == NULL) exit(1);
{int i,j;
printf("matrix A after factorisation\n R/Q -- \n");
if(QOPT == VSIP_QRD_SAVEQ1)
{
printf("qrd } returns %i\n",vsip_cqrd_f(qrAop,A));
printf("matrix A after factorisation: skinny Q explicitly\n Q1 = [\n");
for(i= 0; i< M ; i++)
{
for(j=0; j< N; j++)
printf("%8.4f+%8.4fi%s",
vsip_real_f(vsip_cmget_f(A,i,j)),
vsip_imag_f(vsip_cmget_f(A,i,j)),(j == N-1) ? "":",");
(i == M - 1) ? printf("]\n") : printf(";\n");
}
} else if(QOPT == VSIP_QRD_SAVEQ || QOPT == VSIP_QRD_NOSAVEQ)
{
printf("qrd returns %i\n",vsip_cqrd_f(qrAop,A));
printf("matrix A after fact.: R and ");
(QOPT == VSIP_QRD_SAVEQ) ? printf("full Q implicitly\n Q/R = [\n") :
printf("Q not saved -- ignore LT portion. \n R = [\n");
for(i= 0; i<M ; i++)
{
for(j=0; j< N; j++)
printf("%9.5f+%9.5fi%s",
vsip_real_f(vsip_cmget_f(A,i,j)),
vsip_imag_f(vsip_cmget_f(A,i,j)),(j == N-1) ? "":",");
(i == M - 1) ? printf("]\n") : printf(";\n");
}
}
}
if( QPROB == VSIP_LLS)
{
if (QOPT == VSIP_QRD_SAVEQ1 || QOPT == VSIP_QRD_SAVEQ)
{
if((solretval=vsip_cqrsol_f(qrAop, QPROB, X)))
{
printf("WARNING -- Least Squares soln returns %i-- CHECK\n",
solretval);
printf("Upper triang. mat. R, possibly singular\n");
}
else
printf("Least Squares soln returns %i\n", solretval);
}
else
{
printf("Least Squares systems cannot be solved by the NOSAVEQ option -- exiting\n");
exit(1);
}
}
else
{
if((solretval=vsip_cqrsol_f(qrAop,QPROB, X)))
{
printf("Covariance soln returns %i\n",solretval);
printf("Upper triang. mat. R, possibly singular\n");
}
else
printf("Covariance soln returns %i\n",solretval);
}
vsip_cqrd_destroy_f(qrAop);
}
{int i,j;
printf("Soln Matrix\nX = [\n");
for(i=0; i<N; i++)
{
for(j=0; j<NB; j++)
printf("%9.5f+%9.5fi%s",
vsip_real_f(vsip_cmget_f(X,i,j)),
vsip_imag_f(vsip_cmget_f(X,i,j)),(j == NB-1) ? "":",");
(i == N - 1) ? printf("]\n") : printf(";\n");
}
}
vsip_cmalldestroy_f(X);
vsip_cmalldestroy_f(A);
} vsip_finalize((void*)0); return 1;
}
int main(int argc, char *argv[]){vsip_init((void*)0);
{ if(argc < 3){
printf("usage\nqrdex M N FileName\n");
exit(1);
}
{ /* get some data */
vsip_length M = (vsip_length)atoi(argv[1]),
N = (vsip_length)atoi(argv[2]);
vsip_cmview_f *A = vsip_cmcreate_f(M,N,VSIP_COL,0),
*Q = vsip_cmcreate_f(M,N,VSIP_ROW,0);
vsip_scalar_f *beta = (vsip_scalar_f*)malloc(N * sizeof(vsip_scalar_f));
FILE *fptr = fopen(argv[3],"r");
VU_cmreadf_f(fptr,A);
fclose(fptr);
vsip_cmcopy_f_f(A,Q);
printf("input matrix A \n");
printf("A =");VU_cmprintm_f("6.4",A);
VU_chouseqr_f(Q,beta); /* make a QR matrix, keep the betas */
printf("Decomposed A with R in upper, \n");
printf("and householder vector in lower \n");
printf("householder value on diagonal is 1\n");
printf("v(2:m)\\R =");VU_cmprintm_f("6.4",Q);
{ /* Multiply Q times R to see if we get A */
vsip_length i,j;
vsip_cmview_f *R = vsip_cmcreate_f(M,N,VSIP_ROW,0);
vsip_cvview_f *r = vsip_cmrowview_f(R,0);
vsip_cvputlength_f(r,N * M);
vsip_cvfill_f(vsip_cmplx_f(0,0),r);
for(i=0; i<N; i++) /* extract R */
for(j = i; j<N; j++)
vsip_cmput_f(R,i,j,vsip_cmget_f(Q,i,j));
VU_cqprodm_f(R,Q,beta); /* Q * R */
printf("Multiply Q times R and see if we get A\n");
printf("QR = \n"); VU_cmprintm_f("6.4",R);
vsip_cvdestroy_f(r);
vsip_cmalldestroy_f(R);
}
{ /* Multiply I * Q to get Q */
vsip_cmview_f *I = vsip_cmcreate_f(M,M,VSIP_ROW,0);
vsip_cvview_f *I_rv = vsip_cmrowview_f(I,0);
vsip_cvputlength_f(I_rv,M * M);
vsip_cvfill_f(vsip_cmplx_f(0.0,0.0),I_rv);
vsip_cvputlength_f(I_rv,M);
vsip_cvputstride_f(I_rv,M+1);
vsip_cvfill_f(vsip_cmplx_f(1.0,0.0),I_rv);
printf("Using an Identity matrix extract Q using Householdoer update\n");
printf("I = \n"); VU_cmprintm_f("6.4",I);
VU_cqprodm_f(I,Q,beta);
printf("Q = \n"); VU_cmprintm_f("6.4",I);
{ /* Multiply Q hermitian * A to get R */
vsip_cmview_f *AC = vsip_cmcreate_f(M,N,VSIP_COL,0);
vsip_cmview_f *QT = vsip_cmtransview_f(I);
vsip_cmview_f *R = vsip_cmcreate_f(M,N,VSIP_ROW,0);
vsip_cmprodj_f(QT,A,R);
VU_cmconjIP_f(R);
printf("Using Q from above mutiply Hermitian(Q) times A to get R\n");
printf("QT * A = R = \n"); VU_cmprintm_f("6.4",R);
vsip_cmcopy_f_f(A,AC);
printf("Using Householder update multiply Transpose(Q) times A to get R\n");
VU_cqhprodm_f(AC,Q,beta);
printf("QT * AC = R = \n"); VU_cmprintm_f("6.4",AC);
{ vsip_cmview_f *QTQ = vsip_cmcreate_f(M,M,VSIP_ROW,0);
vsip_cmprodj_f(QT,I,QTQ);
printf("QT * Q = I = \n"); VU_cmprintm_f("6.4",QTQ);
vsip_cmalldestroy_f(QTQ);
}
vsip_cmdestroy_f(QT);
vsip_cmalldestroy_f(R);
}
{
/* general Multiply */
vsip_cmview_f *J = vsip_cmcreate_f(M,2 * M,VSIP_ROW,0);
vsip_cmview_f *K = vsip_cmcreate_f(M,2 * M,VSIP_ROW,0);
vsip_cvview_f *J_rv = vsip_cmrowview_f(J,0);
vsip_cvputlength_f(J_rv,2 * M * M);
vsip_cvfill_f(vsip_cmplx_f(2.0,-1.0),J_rv);
vsip_cvputlength_f(J_rv,M);
vsip_cvputstride_f(J_rv,2 * M+1);
vsip_cvfill_f(vsip_cmplx_f(1.0,1.0),J_rv);
vsip_cvputoffset_f(J_rv,M);
vsip_cvfill_f(vsip_cmplx_f(3.0,0.0),J_rv);
printf("Make a big matrix J to test with \n");
printf("J = \n"); VU_cmprintm_f("6.4",J);
vsip_cmprod_f(I,J,K);
VU_cqprodm_f(J,Q,beta);
printf("Multiply Q * J using Householder update \n");
printf("J = \n"); VU_cmprintm_f("6.4",J);
printf("Multiply Q * J using Q extracted above \n");
printf("K = \n"); VU_cmprintm_f("6.4",K);
printf("\n");
{ vsip_cmview_f *JT = vsip_cmtransview_f(J);
vsip_cmview_f *KT = vsip_cmtransview_f(K);
VU_cmconjIP_f(JT);
printf("Conjugate Transpose the current J (overwritten by the above operation\n");
printf("JT = \n"); VU_cmprintm_f("6.4",JT);
vsip_cmprod_f(JT,I,KT);
VU_cmprodq_f(JT,Q,beta);
printf("Multiply hermitian(J) * Q using Householder update \n");
printf("JT = \n"); VU_cmprintm_f("6.4",JT);
printf("Multiply hermitian(J) * Q using Q extracted above \n");
printf("KT = \n"); VU_cmprintm_f("6.4",KT);
vsip_cmdestroy_f(JT);
vsip_cmdestroy_f(KT);
}
{ vsip_cmview_f *QT = vsip_cmtransview_f(I);
VU_cmconjIP_f(QT);
vsip_cmprod_f(QT,J,K);
VU_cqhprodm_f(J,Q,beta);
printf("Transpose JT to J, multiply transpose(Q) * J using Householder\n");
printf("J = \n"); VU_cmprintm_f("6.4",J);
printf("Transpose JT to J, multiply transpose(Q) * J using Q extracted above\n");
printf("K = \n"); VU_cmprintm_f("6.4",K);
{
vsip_cmview_f* JT = vsip_cmtransview_f(J);
vsip_cmview_f* KT = vsip_cmtransview_f(K);
VU_cmconjIP_f(JT);
vsip_cmprod_f(JT,QT,KT);
VU_cmconjIP_f(QT);
printf("Transpose J, Multiply J * transpose(Q) using Q extracted above\n");
printf("K = \n"); VU_cmprintm_f("6.4",KT);
VU_cmprodqh_f(JT,Q,beta);
VU_cmconjIP_f(JT);
printf("Transpose J, Multiply J * transpose(Q) using Householder\n");
printf("J = \n"); VU_cmprintm_f("6.4",JT);
vsip_cmdestroy_f(JT);
vsip_cmdestroy_f(KT);
}
vsip_cmdestroy_f(QT);
}
{ vsip_cmview_f *I2 = vsip_cmcreate_f(M,M,VSIP_ROW,0);
vsip_cmview_f *I2t = vsip_cmtransview_f(I2);
vsip_cmcopy_f_f(I,I2); VU_cmprodqh_f(I2,Q,beta);
printf("test mprodqh QQh =\n"); VU_cmprintm_f("6.4",I2);
vsip_cmcopy_f_f(I,I2);VU_cmconjIP_f(I2);VU_cqprodm_f(I2t,Q,beta);
printf("test qprodm QQh =\n"); VU_cmprintm_f("6.4",I2);
vsip_cmcopy_f_f(I,I2); VU_cqhprodm_f(I2,Q,beta);
printf("test qhprodm QhQ =\n"); VU_cmprintm_f("6.4",I2);
vsip_cmcopy_f_f(I,I2);VU_cmconjIP_f(I2);VU_cmprodq_f(I2t,Q,beta);
printf("test mprodq QhQ =\n"); VU_cmprintm_f("6.4",I2);
vsip_cmdestroy_f(I2t);
vsip_cmalldestroy_f(I2);
}
}
vsip_cvdestroy_f(I_rv);
vsip_cmalldestroy_f(I);
}
vsip_cmalldestroy_f(A);
vsip_cmalldestroy_f(Q);
free(beta);
} vsip_finalize((void*)0); return 0;
}
}
int main(){vsip_init((void*)0);
{ int i,j; /* counters */
vsip_vview_f *windowt = vsip_vcreate_hanning_f(Ns,0);
vsip_vview_f *windowp = vsip_vcreate_hanning_f(Mp,0);
vsip_vview_f *kernel =
vsip_vcreate_kaiser_f(Nfilter,kaiser,0);
vsip_fir_f *fir = vsip_fir_create_f(kernel,
VSIP_NONSYM,2 * Nn,2,VSIP_STATE_SAVE,0,0);
vsip_vview_f *t =vsip_vcreate_f(Ns,0); /*time vector*/
vsip_vview_f *noise[Nnoise];
vsip_vview_f *nv = vsip_vcreate_f(2 * Nn,0);
vsip_vview_f *tt = vsip_vcreate_f(Ns,0);
vsip_mview_f *data = vsip_mcreate_f(Mp,Ns,VSIP_ROW,0),
*rmview;
vsip_vview_f *data_v, *gram_v;
vsip_cvview_f *gram_data_v;
vsip_cmview_f *gram_data =
vsip_cmcreate_f(Mp,Ns/2 + 1,VSIP_COL,0);
vsip_mview_f *gram =
vsip_mcreate_f(Mp,Ns/2 + 1,VSIP_ROW,0);
vsip_mview_f *Xim =
vsip_mcreate_f(Mp,Mp+1,VSIP_ROW,0);
vsip_scalar_f alpha = (D * Fs) / c;
vsip_vview_f *m = vsip_vcreate_f(Mp,0);
vsip_vview_f *Xi = vsip_vcreate_f(Mp + 1,0);
vsip_randstate *state =
vsip_randcreate(15,1,1,VSIP_PRNG);
vsip_scalar_f w0 = 2 * M_PI * F0/Fs;
vsip_scalar_f w1 = 2 * M_PI * F1/Fs;
vsip_scalar_f w2 = 2 * M_PI * F2/Fs;
vsip_scalar_f w3 = 2 * M_PI * F3/Fs;
vsip_scalar_f cnst1 = M_PI/Nnoise;
vsip_offset offset0 = (vsip_offset)(alpha * Mp + 1);
vsip_fftm_f *rcfftmop_obj = /* time fft */
vsip_rcfftmop_create_f(Mp,Ns,1,VSIP_ROW,0,0);
vsip_fftm_f *ccfftmip_obj =
vsip_ccfftmip_create_f(Mp,Ns/2 +
1,VSIP_FFT_FWD,1,VSIP_COL,0,0);
vsip_vramp_f(0,1,m);
vsip_vramp_f(0,M_PI/Mp,Xi);
vsip_vcos_f(Xi,Xi);
vsip_vouter_f(alpha,m,Xi,Xim);
{ vsip_vview_f *gram_v = vsip_mrowview_f(gram,0);
vsip_vputlength_f(gram_v,Mp*(Ns/2 + 1));
vsip_vfill_f(0,gram_v);
vsip_vdestroy_f(gram_v);
}
for(j=0; j<Nnoise; j++){
noise[j] = vsip_vcreate_f(Nn,0);
vsip_vrandn_f(state,nv);
vsip_firflt_f(fir,nv,noise[j]);
vsip_svmul_f(12.0/(Nnoise),noise[j],noise[j]);
vsip_vputlength_f(noise[j],Ns);
}
vsip_vramp_f(0,1.0,t); /* time vector */
for(i=0; i<Mp; i++){
vsip_scalar_f Xim_val = vsip_mget_f(Xim,i,Theta_o);
data_v = vsip_mrowview_f(data,i);
vsip_vsmsa_f(t,w0,-w0 * Xim_val,tt);
vsip_vcos_f(tt,data_v); /*F0 time series */
vsip_vsmsa_f(t,w1,-w1 * Xim_val,tt);
vsip_vcos_f(tt,tt); /*F1 time series */
vsip_vadd_f(tt,data_v,data_v);
vsip_vsmsa_f(t,w2,-w2 * Xim_val,tt);
vsip_vcos_f(tt,tt); /*F2 time series */
vsip_vadd_f(tt,data_v,data_v);
vsip_vsmsa_f(t,w3,-w3 * Xim_val,tt);
vsip_vcos_f(tt,tt); /*F3 time series */
vsip_svmul_f(3.0,tt,tt); /* scale by 3.0 */
vsip_vadd_f(tt,data_v,data_v);
vsip_svmul_f(3,data_v,data_v);
for(j=0; j<Nnoise; j++){
/* simple time delay beam forming for noise */
vsip_vputoffset_f(noise[j],offset0 +
(int)( i * alpha * cos(j * cnst1)));
vsip_vadd_f(noise[j],data_v,data_v);
}
/* need to destroy before going on to next phone */
vsip_vdestroy_f(data_v);
}
/* window the data and the array to reduce sidelobes */
vsip_vmmul_f(windowt,data,VSIP_ROW,data);
vsip_vmmul_f(windowp,data,VSIP_COL,data);
/* do ffts */
vsip_rcfftmop_f(rcfftmop_obj,data,gram_data);
vsip_ccfftmip_f(ccfftmip_obj,gram_data);
{ /* scale gram to db, min 0 max 255 */
vsip_index ind;
gram_v = vsip_mrowview_f(gram,0);
gram_data_v = vsip_cmcolview_f(gram_data,0);
rmview = vsip_mrealview_f(gram_data);
vsip_vputlength_f(gram_v,Mp*(Ns/2 + 1));
vsip_cvputlength_f(gram_data_v,Mp*(Ns/2 + 1));
data_v = vsip_vrealview_f(gram_data_v);
vsip_vcmagsq_f(gram_data_v,data_v);
vsip_mcopy_f_f(rmview,gram);
vsip_vdestroy_f(data_v);
vsip_svadd_f(1.0 -
vsip_vminval_f(gram_v,&ind),gram_v,gram_v);
vsip_vlog10_f(gram_v,gram_v);
vsip_svmul_f(256.0 / vsip_vmaxval_f(gram_v,&ind),
gram_v,gram_v);/* scale */
/* reorganize the data to place zero in the
center for direction space */
data_v = vsip_vcloneview_f(gram_v);
vsip_vputlength_f(data_v,(Mp/2) * (Ns/2 + 1));
vsip_vputoffset_f(data_v,(Mp/2) * (Ns/2 + 1));
vsip_vputlength_f(gram_v,(Mp/2) * (Ns/2 + 1));
vsip_vswap_f(data_v,gram_v);
vsip_vdestroy_f(gram_v);
vsip_vdestroy_f(data_v);
vsip_cvdestroy_f(gram_data_v);
vsip_mdestroy_f(rmview);
}
VU_mprintgram_f(gram,"gram_output");
} vsip_finalize((void*)0); return 0;
}
int main(){
vsip_init((void*)0);{
vsip_cvview_f *A = vsip_cvcreate_f(16,0);
vsip_cvview_f *a = vsip_cvsubview_f(A,0,4);
vsip_cvview_f *B = vsip_cvcreate_f(16,0);
vsip_cvview_f *b = vsip_cvsubview_f(B,0,4);
vsip_scalar_f user_data_r[16],*udr;
vsip_scalar_f user_data_i[16],*udi;
vsip_cblock_f *cblock = vsip_cblockbind_f(
user_data_r,user_data_i,16,0);
vsip_cvview_f *c = vsip_cvbind_f(cblock,1,2,4);
/* unit stride data_even out of place */
FILE *fptr = fopen("data_even","r");
vsip_cblockadmit_f(cblock,VSIP_FALSE);
printf("test cvlog\n");
printf("unit stride data even out of place");
VU_cvreadf_f(fptr,a);
fclose(fptr);
printf("input vector\n"); VU_cvprintm_f("6.4",a);
vsip_cvlog_f(a,b);
printf("input vector after operation\n");VU_cvprintm_f("6.4",a);
printf("output vector\n"); VU_cvprintm_f("6.4",b);
/* inplace */
vsip_cvlog_f(a,a);
printf("output of inplace\n"); VU_cvprintm_f("6.4",a);
/* unit stride data_odd out of place */
printf("unit stride data odd out of place\n");
vsip_cvputlength_f(a,5);
vsip_cvputlength_f(b,5);
fptr = fopen("data_odd","r");
VU_cvreadf_f(fptr,a);
fclose(fptr);
printf("input vector\n"); VU_cvprintm_f("6.4",a);
vsip_cvlog_f(a,b);
printf("input vector after operation\n");VU_cvprintm_f("6.4",a);
printf("output vector\n"); VU_cvprintm_f("6.4",b);
/* input stride 1 output stride 2 */
printf("input stride 1 output stride 2\n");
vsip_cvputstride_f(b,2);
fptr = fopen("data_odd","r"); VU_cvreadf_f(fptr,a); fclose(fptr);
vsip_cvlog_f(a,b);
printf("output vector\n"); VU_cvprintm_f("6.4",b);
/* input stride 2 output stride 3 */
printf("input stride 2 output stride 3\n");
vsip_cvputstride_f(a,2);
vsip_cvputstride_f(b,3);
fptr = fopen("data_odd","r"); VU_cvreadf_f(fptr,a); fclose(fptr);
vsip_cvlog_f(a,b);
printf("output vector\n"); VU_cvprintm_f("6.4",b);
/* input stride 2 output stride 1 */
printf("input stride 2 output stride 1\n");
vsip_cvputstride_f(a,2);
vsip_cvputstride_f(b,1);
fptr = fopen("data_odd","r"); VU_cvreadf_f(fptr,a); fclose(fptr);
vsip_cvlog_f(a,b);
printf("output vector\n"); VU_cvprintm_f("6.4",b);
/* in place stride 2 */
printf("in place stride 2\n");
fptr = fopen("data_odd","r"); VU_cvreadf_f(fptr,a); fclose(fptr);
vsip_cvlog_f(a,a);
printf("output vector\n"); VU_cvprintm_f("6.4",a);
/* out of place from user block to VSIPL block */
printf("out of place from user block to VSIPL block\n");
printf("User block associated with split complex data array\n");
printf("user view offset 1, stride 2\n");
printf("vsipl view offset 0, stride 2\n");
fptr = fopen("data_odd","r"); VU_cvreadf_f(fptr,c); fclose(fptr);
vsip_cvlog_f(c,a);
printf("output vector\n"); VU_cvprintm_f("6.4",a);
/* clean up */
vsip_cblockrelease_f(cblock,VSIP_FALSE,&udr,&udi);
vsip_cvalldestroy_f(c);
vsip_cvdestroy_f(a);
vsip_cvdestroy_f(b);
vsip_cvalldestroy_f(A);
vsip_cvalldestroy_f(B);
}vsip_finalize((void*)0);return 0;
}
int main(){
int init = vsip_init((void*)0);
int i,j, cholsol_retval,chold_retval;
double t0 = VU_ansi_c_clock(); /* for doing some timeing */
vsip_cscalar_f czero = vsip_cmplx_f((vsip_scalar_f)0.0,(vsip_scalar_f)0.0);
vsip_cmview_f *A = vsip_cmcreate_f(N,N,VSIP_COL,0);
vsip_cmview_f *RU = vsip_cmcreate_f(N,N,VSIP_COL,0);
vsip_cmview_f *RL = vsip_cmcreate_f(N,N,VSIP_COL,0);
vsip_cmview_f *XB = vsip_cmcreate_f(N,M,VSIP_ROW,0);
vsip_cchol_f* chol = vsip_cchold_create_f(UPORLO,N); /* NOTE: UPORLO macro above main() */
/* to make sure we have a valid Positive Symetric define */
/* an upper triangular (RU) with positive pivots and */
/* zero below the main diagonal. */
/* Then initialize RL with hermitian of RU */
/* finally create A as the matrix product of RL and RU */
/* Initialise matrix RU */
/* time this */
t0 = VU_ansi_c_clock();
for (i=0; i<N; i++){
for(j = i; j < N; j++){
#ifdef OBNOXIOUS
/* make up some reasonably obnoxious data */
vsip_scalar_f a = cos(1.5/((j+1)*(i+1)))+sqrt(i*j);
vsip_scalar_f b = (i + j + 1) * cos(M_PI * a);
#else
/* the above was to obnoxious for bigger than about N = 10 */
/* the following works for N > 100 */
vsip_scalar_f a = 1; vsip_scalar_f b = 1;
#endif
if(i == j) /* fill diagonal */
vsip_cmput_f(RU,i,j, vsip_cmplx_f(sqrt(N) + sqrt(i),0));
else { /* fill off diagonal */
vsip_cmput_f(RU,i,j,vsip_cmplx_f(b,a));
vsip_cmput_f(RU,j,i,czero);
}
}
}
/* initialize RL */
vsip_cmherm_f(RU,RL);
#ifdef PRINT
VU_cmprintm_f("7.4",RU);
VU_cmprintm_f("7.4",RL);
#endif
printf("Matrix initialize for RU and RL = %f seconds\n",VU_ansi_c_clock() - t0);
/* initialize A */
/* this step will take a long time so time it */
t0 = VU_ansi_c_clock();
vsip_cmprod_f(RL,RU,A);
#ifdef OBNOXIOUS
for(i=0; i<N; i++){
vsip_cvview_f *aview = vsip_cmrowview_f(A,i);
vsip_cvrsdiv_f(aview,vsip_cmag_f(vsip_cvmeanval_f(aview)),aview);
vsip_cvdestroy_f(aview);
}
#endif
printf("Matrix multiply for initialization of A = %f seconds\n",VU_ansi_c_clock() - t0);
/* print A */
/* we only want to do this if A is something reasonable to print */
/* selected as an option in the make file */
#ifdef PRINT
printf("Matrix A =\n");
VU_cmprintm_f("4.2",A);
fflush(stdout);
#endif
/* initialise rhs */
/* start out with XB = {1,2,3,...,M} */
/* calculate what B must be using A */
/* then solve to see if we get XB back */
{ vsip_index i;
vsip_vview_f *y = vsip_vcreate_f(vsip_cmgetcollength_f(A),VSIP_MEM_NONE);
vsip_vview_f *x_r,*x_i;
vsip_cvview_f *x;
vsip_mview_f *A_r = vsip_mrealview_f(A),
*A_i = vsip_mimagview_f(A);
/* time this */
t0 = VU_ansi_c_clock();
for(i=0; i<M; i++){
vsip_vfill_f((vsip_scalar_f)i+1.0,y);
x = vsip_cmcolview_f(XB,i);
x_r = vsip_vrealview_f(x);
x_i = vsip_vimagview_f(x);
vsip_mvprod_f(A_r,y,x_r);
vsip_mvprod_f(A_i,y,x_i);
vsip_cvdestroy_f(x);
vsip_vdestroy_f(x_r);
vsip_vdestroy_f(x_i);
}
vsip_mdestroy_f(A_r);
vsip_mdestroy_f(A_i);
printf("Matrix init for B = %f seconds\n",VU_ansi_c_clock() - t0);
}
/* print XB */
/* we only want to do this if XB is something reasonable to print */
/* selected as an option in the make file */
#ifdef PRINT
printf("Matrix B = \n");
VU_cmprintm_f("7.4",XB);
fflush(stdout);
#endif
if(chol != NULL){
t0 = VU_ansi_c_clock(); /* we want to time the decomposition */
chold_retval = vsip_cchold_f(chol,A);
printf("time decomp %f\n",VU_ansi_c_clock() - t0);
printf("decompostion returns %d\n",chold_retval);
/* now do the solution */
t0 = VU_ansi_c_clock(); /* we want to time the solution */
cholsol_retval=vsip_ccholsol_f(chol,XB);
printf("time solution %f\n",VU_ansi_c_clock() - t0);
printf("cholsol returns %d\n",cholsol_retval);
/* print XB */
/* we only want to do this if XB is something reasonable to print */
/* selected as an option in the make file; otherwise */
/* we print a single row of XB if the matrix is to large since */
/* M is usally reasonable. Printed as a column vector */
#ifdef PRINT
printf("Matrix X = \n");
VU_cmprintm_f("7.4",XB);
fflush(stdout);
#else
{ /* pick a row in the middle */
vsip_cvview_f *x = vsip_cmrowview_f(XB,N/2);
printf("This output sould be 1,2,...,M\n");
VU_cvprintm_f("7.4",x);
fflush(stdout);
vsip_cvdestroy_f(x);
}
#endif
} else {
printf("failed to create cholesky object \n");
}
vsip_cmalldestroy_f(XB);
vsip_cmalldestroy_f(A);
vsip_cmalldestroy_f(RL);
vsip_cmalldestroy_f(RU);
vsip_cchold_destroy_f(chol);
vsip_finalize((void*)0);
return 1;
}
void (vsip_cvalldestroy_f)(
vsip_cvview_f* v) { /* vector view destructor*/
vsip_cblockdestroy_f(vsip_cvdestroy_f(v));
}