int main(int argc, char** argv){
int retval = 0;
int i, Navg;
param_obj param;
kw_obj kw;
ts_obj ts;
vsip_mview_f *dtaIn, *gramOut;
if(retval += param_read(argv[1],¶m)){
printf("Failed to read parameter file\n");
exit(-1);
}
param_log(¶m);
kw_init(&kw, ¶m);
ts_init(&ts, ¶m);
/* simulate time series and beamform */
Navg = (int) param.Navg;
dtaIn = ts_instance(&ts);
gramOut = kw_instance(&kw);
kw_zero(&kw);
for(i=0; i<Navg; i++){
ts_zero(&ts);
ts_sim_noise(&ts);
ts_sim_nb(&ts);
komega(&kw,dtaIn);
}
/* beamform done. Gram should be in gramOut */
/*************/
/* Massage gram data and save to file for plotting */
for(i=0; i<vsip_mgetrowlength_f(gramOut); i++)
{/* move zero to middle */
vsip_vview_f *v = vsip_mcolview_f(gramOut, i);
vsip_vfreqswap_f(v);
vsip_vdestroy_f(v);
}
{/* massage the data for plot*/
vsip_scalar_f max = vsip_mmaxval_f(gramOut, NULL),min;
vsip_scalar_f avg = vsip_mmeanval_f(gramOut);
vsip_mclip_f(gramOut,0.0, max, avg/100000.0, max, gramOut);
vsip_mlog10_f(gramOut,gramOut);
min = -vsip_mminval_f(gramOut, NULL);
vsip_smadd_f(min, gramOut, gramOut);
max = vsip_mmaxval_f(gramOut, NULL);
vsip_smmul_f(1.0/max, gramOut, gramOut);
}
{ /* output data and plot with octave */
FILE *fptr = fopen("gramOut","w");
size_t size = vsip_mgetrowlength_f(gramOut) * vsip_mgetcollength_f(gramOut);
vsip_scalar_f *out = (vsip_scalar_f*)malloc(size * sizeof(vsip_scalar_f));
vsip_mcopyto_user_f(gramOut, VSIP_COL, out);
fwrite(out,size,sizeof(vsip_scalar_f),fptr);
fclose(fptr);
free(out);
}
/* cleanup */
kw_fin(&kw);
ts_fin(&ts);
param_free(¶m);
return retval;
}
int VU_vfrdB_f(vsip_vview_f *a,vsip_scalar_f range)
{ int ret = 0;
vsip_length N_len=vsip_vgetlength_f(a);
vsip_cvview_f *ca=vsip_cvcreate_f(N_len,VSIP_MEM_NONE);
vsip_fft_f *fft = vsip_ccfftip_create_f(
N_len,1,VSIP_FFT_FWD,0,0);
vsip_vview_f *ra = vsip_vrealview_f(ca),
*ia = vsip_vimagview_f(ca),
*ta = vsip_vcloneview_f(a);
vsip_offset s = (vsip_offset)vsip_vgetstride_f(ta);
if((ca == NULL) || (fft == NULL) || (ra == NULL) ||
(ia == NULL) || (ta == NULL)){ret = 1;
}else{
vsip_vfill_f(0,ia); vsip_vcopy_f_f(a,ra);
vsip_ccfftip_f(fft,ca);
vsip_vcmagsq_f(ca,ra);
{ vsip_index ind;/* scale by "range" min to max*/
vsip_scalar_f max = vsip_vmaxval_f(ra,&ind);
vsip_scalar_f min = max * range;
vsip_vclip_f(ra,min,max,min,max,ra);
}
if(N_len%2){vsip_length Nlen = N_len/2;
vsip_vputlength_f(ta,Nlen+1);
vsip_vputlength_f(ra,Nlen+1);
vsip_vputoffset_f(ta,Nlen * s);
vsip_vcopy_f_f(ra,ta);
vsip_vputlength_f(ra,Nlen);
vsip_vputlength_f(ta,Nlen);
vsip_vputoffset_f(ta,vsip_vgetoffset_f(a));
vsip_vputoffset_f(ra,Nlen+1);
vsip_vcopy_f_f(ra,ta);
}else{vsip_length Nlen = N_len/2;
vsip_vcopy_f_f(ra,ta);
vsip_vputlength_f(ta,Nlen);
vsip_vputlength_f(a,Nlen);
vsip_vputoffset_f(ta,(vsip_offset)(Nlen) * s);
vsip_vswap_f(ta,a);
vsip_vputlength_f(a,N_len);
}vsip_vlog10_f(a,a);vsip_svmul_f(10,a,a);
}vsip_fft_destroy_f(fft);
vsip_vdestroy_f(ra); vsip_vdestroy_f(ia);
vsip_cvalldestroy_f(ca);vsip_vdestroy_f(ta);
return ret;
}
int main() {
vsip_init((void*)0);{
vsip_mview_f *A = vsip_mcreate_f(NN,NN,VSIP_ROW,VSIP_MEM_NONE);
vsip_mview_f *B = vsip_mcreate_f(NN,2,VSIP_COL,VSIP_MEM_NONE);
struct tms t_buf;
clock_t tclicks;
vsip_lu_f *lud = vsip_lud_create_f(NN);
printf("data fill in times 1 %lu\n",times(&t_buf));
{ int i;
vsip_vview_f *r = vsip_mrowview_f(A,0);
vsip_offset o = vsip_vgetoffset_f(r);
vsip_stride s = vsip_mgetcolstride_f(A);
for(i=0; i<NN; i++){
vsip_vputoffset_f(r,o);
vsip_vramp_f(i,1,r);
o += s;
}
vsip_vdestroy_f(r);
}
{ vsip_vview_f *r = vsip_mdiagview_f(A,0);
vsip_vfill_f(0,r);
vsip_vdestroy_f(r);
}
{
vsip_vview_f *r = vsip_mcolview_f(B,0);
vsip_vramp_f(1,.01,r);
vsip_vdestroy_f(r); r = vsip_mcolview_f(B,1);
vsip_vramp_f(2,.01,r); vsip_vdestroy_f(r);
}
/* printf("A = "); VU_mprintm_f("7.4",A); */
/* printf("B = "); VU_mprintm_f("7.4",B); */
printf("lud in times 2 %lu\n",(tclicks = times(&t_buf)));
vsip_lud_f(lud,A);
printf("lud out times 3 %lu\n",times(&t_buf) - tclicks);
/* printf("Adec = "); VU_mprintm_f("7.4",A); */
printf("lusol in times 4 %lu\n",(tclicks = times(&t_buf)));
vsip_lusol_f(lud,VSIP_MAT_NTRANS,B);
printf("lusol out times 5 %lu\n",times(&t_buf) - tclicks);
/* printf("B = "); VU_mprintm_f("7.4",B); */
} vsip_finalize((void*)0);return 0;
}
/* Below we implement example from "help interp1" in octave 2.9.9
* xf=[0:0.05:10]; yf = sin(2*pi*xf/5);
* xp=[0:10]; yp = sin(2*pi*xp/5);
* lin=interp1(xp,yp,xf);
*/
int main (int argc, const char * argv[])
{
int retval = vsip_init((void*)0);
vsip_length N0 = 11;
vsip_length N = 201;
vsip_length M = 3;
vsip_mview_f *yf = vsip_mcreate_f(M,N,VSIP_ROW,VSIP_MEM_NONE);
vsip_vview_f *xf = vsip_vcreate_f(N,VSIP_MEM_NONE);
vsip_vview_f *xp = vsip_vcreate_f(N0,VSIP_MEM_NONE);
vsip_mview_f *yp = vsip_mcreate_f(M,N0,VSIP_COL,VSIP_MEM_NONE);
vsip_vview_f *yp0 = vsip_mrowview_f(yp,0);
vsip_vview_f *yp1 = vsip_mrowview_f(yp,1);
vsip_vview_f *yp2 = vsip_mrowview_f(yp,2);
vsip_vramp_f(0.0,1.0,xp);
vsip_vramp_f(0.0,0.05,xf);
vsip_svmul_f(2.0/5.0 * M_PI,xp,yp0);
vsip_svadd_f(M_PI/8.0,yp0,yp1);
vsip_svadd_f(M_PI/8.0,yp1,yp2);
vsip_vsin_f(yp0,yp0);
vsip_vsin_f(yp1,yp1);
vsip_vsin_f(yp2,yp2);
printf("xp = ");VPRINT(xp);
printf("yp = ");MPRINT(yp);
printf("xf = ");VPRINT(xf);
vsip_minterp_linear_f(xp,yp,VSIP_ROW,xf,yf);
printf("linear = "); MPRINT(yf);
vsip_vdestroy_f(yp0);
vsip_vdestroy_f(yp1);
vsip_vdestroy_f(yp2);
vsip_valldestroy_f(xf);
vsip_valldestroy_f(xp);
vsip_malldestroy_f(yp);
vsip_malldestroy_f(yf);
vsip_finalize((void*)0);
return retval;
}
static vsip_mview_f* meye_f(vsip_length n)
{
vsip_vview_f *d = (vsip_vview_f*) NULL;
vsip_mview_f *retval = (vsip_mview_f*)NULL;
retval = vsip_mcreate_f(n,n,VSIP_ROW,VSIP_MEM_NONE);
if(retval) d = vsip_mdiagview_f(retval,0);
if(d){
vsip_mfill_f(0.0,retval);
vsip_vfill_f(1.0,d);
vsip_vdestroy_f(d);
} else {
vsip_malldestroy_f(retval);
retval = (vsip_mview_f*) NULL;
}
return retval;
}
void VU_mprodqt_f(
vsip_mview_f *C,
vsip_mview_f *H,
vsip_scalar_f *beta)
{
vsip_mattr_f attr_C,attr_C0;
vsip_mattr_f attr_H0;
vsip_vattr_f attr_h,attr_v0;
vsip_vview_f *h = vsip_mcolview_f(H,0);
vsip_length m,n;
vsip_length j;
vsip_stride k;
vsip_vview_f *v, *w;
vsip_mgetattrib_f(C,&attr_C);
vsip_vgetattrib_f(h,&attr_h);
vsip_mgetattrib_f(H,&attr_H0);
attr_C0 = attr_C;
m = attr_C.col_length;
n = attr_C.row_length;
v = vsip_vcreate_f(n,0);
vsip_vgetattrib_f(v,&attr_v0);
w = vsip_vcreate_f(m,0);
vsip_vfill_f(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_vputlength_f(v,attr_h.length);
vsip_vputoffset_f(v,n - attr_h.length);
vsip_vputattrib_f(h,&attr_h);
vsip_vcopy_f_f(h,v);
vsip_vput_f(v,0,1);
vsip_vputattrib_f(v,&attr_v0);
VU_smvprod_f(-beta[j],C,v,w);
VU_opu_f(C,w,v);
}
printf("here 2\n");
vsip_mputattrib_f(C,&attr_C0);
vsip_vdestroy_f(h);
vsip_valldestroy_f(v);
vsip_valldestroy_f(w);
return;
}
void VU_qtprodm_f(
vsip_mview_f *C,
vsip_mview_f *H,
vsip_scalar_f *beta)
{
vsip_mattr_f attr_C,attr_C0;
vsip_mattr_f attr_H0;
vsip_vattr_f attr_h,attr_v0;
vsip_vview_f *h = vsip_mcolview_f(H,0);
vsip_length m,n;
vsip_length j;
vsip_stride k;
vsip_vview_f *v, *w;
vsip_mgetattrib_f(C,&attr_C);
vsip_vgetattrib_f(h,&attr_h);
vsip_mgetattrib_f(H,&attr_H0);
attr_C0 = attr_C;
m = attr_C.col_length;
n = attr_C.row_length;
v = vsip_vcreate_f(m,0);
vsip_vgetattrib_f(v,&attr_v0);
w = vsip_vcreate_f(n,0);
for(k= 0; k < attr_H0.row_length; 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_vputlength_f(v,attr_h.length);
vsip_vputoffset_f(v,m - attr_h.length);
vsip_vputattrib_f(h,&attr_h);
vsip_vcopy_f_f(h,v);
vsip_vput_f(v,0,1);
vsip_vputattrib_f(v,&attr_v0);
VU_svmprod_f(-beta[j],v,C,w);
VU_opu_f(C,v,w);
vsip_vput_f(v,k,0);
}
vsip_mputattrib_f(C,&attr_C0);
vsip_vdestroy_f(h);
vsip_valldestroy_f(v);
vsip_valldestroy_f(w);
return;
}
vsip_mview_f* VU_I_f(vsip_length M)
{
vsip_mview_f *I = vsip_mcreate_f(M,M,VSIP_ROW,VSIP_MEM_NONE);
if(I != NULL){
vsip_vview_f *row = vsip_mrowview_f(I,0);
if(row != NULL){
vsip_vputlength_f(row,(vsip_length)(M * M));
vsip_vfill_f((vsip_scalar_f)0.0,row);
vsip_vputlength_f(row,M);
vsip_vputstride_f(row,(vsip_stride) (M + 1));
vsip_vfill_f((vsip_scalar_f)1.0,row);
vsip_vdestroy_f(row);
} else {
vsip_mdestroy_f(I);
return (vsip_mview_f*) NULL;
}
} else {
return (vsip_mview_f*) NULL;
}
return I;
}
void svdFinalize_f(svdObj_f *s)
{
vsip_vdestroy_f(s->ts);
vsip_valldestroy_f(s->t);
vsip_vdestroy_f(s->rs_one);
vsip_vdestroy_f(s->rs_two);
vsip_mdestroy_f(s->Rs);
vsip_vdestroy_f(s->ls_one);
vsip_vdestroy_f(s->ls_two);
vsip_mdestroy_f(s->Ls);
vsip_mdestroy_f(s->Bs);
vsip_vdestroy_f(s->bs);
vsip_malldestroy_f(s->B);
vsip_malldestroy_f(s->R);
vsip_malldestroy_f(s->L);
vsip_valldestroy_vi(s->indx_L);
vsip_valldestroy_vi(s->indx_R);
vsip_vdestroy_f(s->ds);
vsip_valldestroy_f(s->d);
vsip_vdestroy_f(s->fs);
vsip_valldestroy_f(s->f);
s=NULL;
}
int VU_qrd_f(
vsip_mview_f *A,
vsip_mview_f *R){
vsip_length N = vsip_mgetrowlength_f(A);
vsip_scalar_f r;
vsip_stride cvst = vsip_mgetrowstride_f(A);
vsip_offset a0o = vsip_mgetoffset_f(A);
vsip_offset ao = a0o;
vsip_length i,j;
vsip_vview_f *a = vsip_mcolview_f(A,0);
vsip_vview_f *q = vsip_mcolview_f(A,0);
if((a == NULL) || (q == NULL)){ /* failure to create vector view */
vsip_vdestroy_f(a); /* destroy in case one create worked */
vsip_vdestroy_f(q);
return 1; /* zero implies success */
}
for(i=0; i<N; i++){
vsip_vputoffset_f(a,a0o);
vsip_vputoffset_f(q,a0o);
vsip_mput_f(R,i,i,(r = sqrt(vsip_vdot_f(q,q))));
if(r == 0){ /* no devide by zero */
vsip_vdestroy_f(a); /* clean up any creates */
vsip_vdestroy_f(q);
return 2; /* zero implies success */
}
vsip_svmul_f((1./r),q,q);
a0o += cvst;
for(j=i+1; j<N; j++){
ao += cvst;
vsip_vputoffset_f(a,ao);
vsip_mput_f(R,i,j,(r = vsip_vdot_f(q,a)));
vsip_mput_f(R,j,i,0); /* make sure lower diagonal is initialized to zero */
vsip_vsma_f(q,-r,a,a);
}
ao = a0o;
}
vsip_vdestroy_f(a); /* clean up any creates */
vsip_vdestroy_f(q);
return 0; /* zero implies success */
}
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_vview_f *kernel =
vsip_vcreate_kaiser_f(128,15.0,VSIP_MEM_NONE);
vsip_randstate *r_state =
vsip_randcreate(11,1,1,VSIP_NPRNG);
vsip_conv1d_f *conv;
vsip_fir_f *fir;
vsip_vview_f *data = vsip_vcreate_f(
2 * N_data,VSIP_MEM_NONE),
*noise = vsip_vcreate_f(
3 * N_data,VSIP_MEM_NONE),
*avg = vsip_vcreate_f(
4 * N_data,VSIP_MEM_NONE);
int i; vsip_length N_len;
vsip_vputlength_f(data,
(vsip_length)((N_data-1)/dec1)+1);
vsip_vputlength_f(avg,
(vsip_length)((N_data-1)/dec1)+1);
vsip_vputstride_f(data,2);
vsip_vputstride_f(avg,4);
vsip_vputlength_f(noise,N_data); vsip_vputstride_f(noise,3);
conv = vsip_conv1d_create_f(
kernel,VSIP_NONSYM,
N_data,dec1,VSIP_SUPPORT_SAME,0,0);
fir = vsip_fir_create_f(
kernel,VSIP_NONSYM, N_data,dec1,VSIP_STATE_NO_SAVE,0,0);
vsip_vfill_f(0,avg);
for(i=0; i<10; i++){
vsip_vrandn_f(r_state,noise);
vsip_convolve1d_f(conv,noise,data);
VU_vfrdB_f(data,1e-13);
vsip_vsma_f(data,0.1,avg,avg);
}
N_len = vsip_vgetlength_f(avg);
{ vsip_vview_f *x = vsip_vcreate_f(
N_len,VSIP_MEM_NONE);
vsip_vramp_f(-.5,1.0/(vsip_scalar_f)(N_len-1),x);
VU_vfprintxyg_f("%8.6f %8.6f\n",x,avg,"conv_dec1");
vsip_vdestroy_f(x);
}
vsip_vfill_f(0,avg);
for(i=0; i<10; i++){
vsip_vrandn_f(r_state,noise);
vsip_firflt_f(fir,noise,data);
VU_vfrdB_f(data,1e-13);
vsip_vsma_f(data,0.1,avg,avg);
}
N_len = vsip_vgetlength_f(avg);
{ vsip_vview_f *x = vsip_vcreate_f(
N_len,VSIP_MEM_NONE);
vsip_vramp_f(-.5,1.0/(vsip_scalar_f)(N_len-1),x);
VU_vfprintxyg_f("%8.6f %8.6f\n",x,avg,"fir_dec1");
vsip_vdestroy_f(x);
}
vsip_conv1d_destroy_f(conv);
vsip_fir_destroy_f(fir);
conv = vsip_conv1d_create_f(
kernel,VSIP_NONSYM,
N_data,dec3,VSIP_SUPPORT_SAME,0,0);
fir = vsip_fir_create_f(
kernel,VSIP_NONSYM,
N_data,dec3,VSIP_STATE_NO_SAVE,0,0);
vsip_vputlength_f(data,
(vsip_length)((N_data-1)/dec3)+1);
vsip_vputlength_f(avg,
(vsip_length)((N_data-1)/dec3)+1);
vsip_vfill_f(0,avg);
for(i=0; i<10; i++){
vsip_vrandn_f(r_state,noise);
vsip_convolve1d_f(conv,noise,data);
VU_vfrdB_f(data,1e-13);
vsip_vsma_f(data,0.1,avg,avg);
}
N_len = vsip_vgetlength_f(avg);
{ vsip_vview_f *x = vsip_vcreate_f(
N_len,VSIP_MEM_NONE);
vsip_vramp_f(-.5,1.0/(vsip_scalar_f)(N_len - 1),x);
VU_vfprintxyg_f("%8.6f %8.6f\n",
x, avg,"conv_dec3");
vsip_vdestroy_f(x);
}
vsip_vfill_f(0,avg);
for(i=0; i<10; i++){
vsip_vrandn_f(r_state,noise);
vsip_firflt_f(fir,noise,data);
VU_vfrdB_f(data,1e-13);
vsip_vsma_f(data,0.1,avg,avg);
}
N_len = vsip_vgetlength_f(avg);
{ vsip_vview_f *x = vsip_vcreate_f(
N_len,VSIP_MEM_NONE);
vsip_vramp_f(-.5,1.0/(vsip_scalar_f)(N_len-1),x);
VU_vfprintxyg_f("%8.6f %8.6f\n",
x, avg,"fir_dec3");
vsip_vdestroy_f(x);
}
N_len = vsip_vgetlength_f(kernel);
{ vsip_vview_f *x = vsip_vcreate_f(
N_len,VSIP_MEM_NONE);
vsip_vramp_f(0,1,x);
VU_vfprintxyg_f("%8.6f %8.6f\n",
x,kernel,"kaiser_window");
vsip_vramp_f(-.5,1.0/(vsip_scalar_f)(N_len-1),x);
VU_vfrdB_f(kernel,1e-20);
VU_vfprintxyg_f("%8.6f %8.6f\n",
x,kernel,"Freq_Resp_Kaiser");
vsip_vdestroy_f(x);
}
vsip_randdestroy(r_state);
vsip_valldestroy_f(kernel);
vsip_conv1d_destroy_f(conv);vsip_fir_destroy_f(fir);
vsip_valldestroy_f(data); vsip_valldestroy_f(noise);
vsip_valldestroy_f(avg);
} vsip_finalize((void*)0); return 0;
}/*end of main program *******************************/
int main() {
vsip_init((void*)0);
{
int i,j;
vsip_mview_f *A = vsip_mcreate_f(M,N,VSIP_COL,0);
vsip_mview_f *X = vsip_mcreate_f(
(NN>= M)?NN:M,
(NB>=M)?NB:M,
VSIP_ROW,0);
/* put the appropriate row, col lengths of X */
X = vsip_mputcollength_f(X,NN);
X = vsip_mputrowlength_f(X,NB);
/* Initialise matrix A */
for (i=0; i<M; i++)
for (j = 0; j < N; j++)
if(i == j)
vsip_mput_f(A,i,j, (double)(M+1));
else
vsip_mput_f(A,i,j, -1.0);
{ int i,j;
printf("matrix\n A = [\n");
for(i=0; i<M; i++)
{
for(j=0; j< N; j++)
printf("%9.2f%s",vsip_mget_f(A,i,j),(j == N-1) ? "":",");
(i == M-1)? printf("]\n") : printf(";\n");
}
}
{ int j, k;
vsip_vview_f *y = NULL;
vsip_vview_f *x;
vsip_length L = NB;
for(k=0; k<L; k++)
{
x = vsip_mcolview_f(X,k);
for (j=0; j<vsip_vgetlength_f(x); j++)
{
y = vsip_mrowview_f(A,j);
vsip_vput_f(x,j,(double)(k+1)*(vsip_vsumval_f(y)));
vsip_vdestroy_f(y);
}
vsip_vdestroy_f(x);
}
}
{ int i,j;
printf("rhs matrix\n C = [\n");
for(i=0; i<NN; i++)
{
for(j=0; j<NB; j++)
printf("%9.2f%s",vsip_mget_f(X,i,j),(j == NB-1) ? "":",");
(i == NN - 1) ? printf("]\n") : printf(";\n");
}
}
{ vsip_qr_f* qrAop = vsip_qrd_create_f(M,N, QOPT);
if(qrAop == NULL) exit(1);
{ int i,j;
if(QOPT == VSIP_QRD_SAVEQ1)
{
printf("qrd returns %i\n",vsip_qrd_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("%9.5f%s",vsip_mget_f(A,i,j),(j == N-1) ? "":",");
(i == M - 1) ? printf("]\n") : printf(";\n");
}
} else if(QOPT == VSIP_QRD_SAVEQ)
{
printf("qrd returns %i\n",vsip_qrd_f(qrAop,A));
printf("matrix A after factorisation: R + full Q implicitly\n Q/R = [\n");
for(i= 0; i<M ; i++)
{
for(j=0; j< N; j++)
printf("%9.2f%s",vsip_mget_f(A,i,j),(j == N-1) ? "":",");
(i == M-1)? printf("]\n") : printf(";\n");
}
} else if(QOPT == VSIP_QRD_NOSAVEQ)
{
printf("Q is not saved with this option. \n");
printf("Product with Q is invalid, exiting\n");
vsip_qrd_destroy_f(qrAop);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
exit(1);
}
if (opQ == VSIP_MAT_TRANS || opQ == VSIP_MAT_HERM)
{
if(apQ == VSIP_MAT_RSIDE) /* C * Q^t */
{
printf(" This is a product of type C <- C * Q^t \n");
if(vsip_qrdprodq_f(qrAop,opQ,apQ,X))
{
printf("Size not conformal or invalid operation by Q: -- exiting\n");
vsip_qrd_destroy_f(qrAop);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
exit(1);
}
else
{
X = vsip_mputrowlength_f(X,M);
}
}
else if(apQ == VSIP_MAT_LSIDE) /* Q^t * C */
{
if(QOPT == 1)
printf(" This is a product of type C <- Q^t * C \n");
if(QOPT == 2)
printf(" This is a product of type C <- Q_1^t * C \n");
if(vsip_qrdprodq_f(qrAop,opQ,apQ,X))
{
printf("Size not conformal or invalid operation by Q: -- exiting\n");
vsip_qrd_destroy_f(qrAop);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
exit(1);
}
else
{
if(QOPT == 2)
X = vsip_mputcollength_f(X,N);
}
}
}
else if (opQ == VSIP_MAT_NTRANS)
{
if(apQ == VSIP_MAT_RSIDE) /* C * Q */
{
printf(" This is a product of type C <- C * Q \n");
if(vsip_qrdprodq_f(qrAop,opQ,apQ,X))
{
printf("Size not conformal or invalid operation by Q: -- exiting\n");
vsip_qrd_destroy_f(qrAop);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
exit(1);
}
else
{
X = vsip_mputrowlength_f(X,N);
}
}
else if(apQ == VSIP_MAT_LSIDE) /* Q * C */
{
if(QOPT == 1)
printf(" This is a product of type C <- Q * C \n");
if(QOPT == 2)
printf(" This is a product of type C <- Q_1 * C \n");
if(vsip_qrdprodq_f(qrAop,opQ,apQ,X))
{
printf("Size not conformal or invalid operation by Q: -- exiting\n");
vsip_qrd_destroy_f(qrAop);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
exit(1);
}
else
{
X = vsip_mputcollength_f(X,M);
}
}
}
}
vsip_qrd_destroy_f(qrAop);
}
{ int i,j;
printf("Soln Matrix\n C = [\n");
for(i=0; i< vsip_mgetcollength_f(X); i++)
{
for(j=0; j< vsip_mgetrowlength_f(X); j++)
printf("%8.4f%s",vsip_mget_f(X,i,j),
(j == vsip_mgetrowlength_f(X)-1) ? "":",");
(i == vsip_mgetcollength_f(X)-1) ?
printf("]\n") : printf(";\n");
}
}
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
}
vsip_finalize((void*)0);
return 1;
}
int main() {
vsip_init((void*)0);{
vsip_mview_f *A = vsip_mcreate_f(NN,NN,VSIP_COL,0);
vsip_vview_f *x0 = vsip_vcreate_f(NN,0);
vsip_vview_f *b = vsip_vcreate_f(NN,0);
vsip_mview_f *X = vsip_mcreate_f(NN,3,VSIP_ROW,0);
vsip_mview_f *XT = vsip_mcreate_f(NN,3,VSIP_COL,0);
vsip_vramp_f(1,1,x0); vsip_vmul_f(x0,x0,x0);
vsip_mput_f(A,0,0,-3); vsip_mput_f(A,0,1,7); vsip_mput_f(A,0,2,10); vsip_mput_f(A,0,3,12);
vsip_mput_f(A,1,0,0); vsip_mput_f(A,1,1,13); vsip_mput_f(A,1,2,18); vsip_mput_f(A,1,3,6);
vsip_mput_f(A,2,0,2); vsip_mput_f(A,2,1,-9); vsip_mput_f(A,2,2,6); vsip_mput_f(A,2,3,3);
vsip_mput_f(A,3,0,1); vsip_mput_f(A,3,1,2); vsip_mput_f(A,3,2,3); vsip_mput_f(A,3,3,4);
{int i,j; printf("A = [\n"); for(i=0; i<NN; i++){
for(j=0; j<NN; j++) printf("%9.2f%s",vsip_mget_f(A,i,j),(j == NN-1) ? "":",");
printf(";\n");
}
printf("]\n");
}
{ int k;
vsip_vview_f *x;
vsip_length L = vsip_mgetrowlength_f(X);
for(k=0; k<L; k++){
x = vsip_mcolview_f(X,k);
vsip_mvprod_f(A,x0,b);
vsip_vcopy_f_f(b,x);
vsip_svmul_f(2.0,x0,x0);
vsip_vdestroy_f(x);
}
{int i,j; printf("X = [\n");for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
printf("]\n");
}
{
vsip_lu_f* luAop = vsip_lud_create_f(NN);
vsip_mcopy_f_f(X,XT);
if(luAop == NULL) exit(1);
vsip_lud_f(luAop,A);
{ vsip_lu_attr_f attr;
vsip_lud_getattr_f(luAop,&attr);
printf("lud size %lu\n",attr.n);
}
vsip_lusol_f(luAop,0,X);
vsip_lusol_f(luAop,1,XT);
vsip_lud_destroy_f(luAop);
}
}
{int i,j; printf("A\\X\n"); for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{int i,j; printf("A'\\X\n"); for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(XT,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{
vsip_valldestroy_f(b);
vsip_valldestroy_f(x0);
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
}
}vsip_finalize((void*)0);return 1;
}
int main(){vsip_init((void*)0);
{
vsip_mview_f *Adummy = vsip_mcreate_f(5*NN,5*NN,VSIP_COL,0);
vsip_mview_f *A = vsip_msubview_f(Adummy,3,2,NN,NN);
vsip_vview_f *x0 = vsip_vcreate_f(NN,0);
vsip_mview_f *X = vsip_mcreate_f(NN,3,VSIP_ROW,0);
vsip_mview_f *XT = vsip_mcreate_f(NN,3,VSIP_COL,0);
vsip_mputrowstride_f(A,2*vsip_mgetrowstride_f(A));
vsip_mputcolstride_f(A,3*vsip_mgetcolstride_f(A));
/* matrix data */
vsip_mput_f(A,0,0,0.5); vsip_mput_f(A,0,1,7); vsip_mput_f(A,0,2,10); vsip_mput_f(A,0,3,12);
vsip_mput_f(A,0,4,-3); vsip_mput_f(A,0,5,0); vsip_mput_f(A,0,6,.05);
vsip_mput_f(A,1,0,2); vsip_mput_f(A,1,1,13); vsip_mput_f(A,1,2,18); vsip_mput_f(A,1,3,6);
vsip_mput_f(A,1,4,0); vsip_mput_f(A,1,5,130); vsip_mput_f(A,1,6,8);
vsip_mput_f(A,2,0,3); vsip_mput_f(A,2,1,-9); vsip_mput_f(A,2,2,2); vsip_mput_f(A,2,3,3);
vsip_mput_f(A,2,4,2); vsip_mput_f(A,2,5,-9); vsip_mput_f(A,2,6,6);
vsip_mput_f(A,3,0,4); vsip_mput_f(A,3,1,2); vsip_mput_f(A,3,2,2); vsip_mput_f(A,3,3,4);
vsip_mput_f(A,3,4,1); vsip_mput_f(A,3,5,2); vsip_mput_f(A,3,6,3);
vsip_mput_f(A,4,0,.2); vsip_mput_f(A,4,1,2); vsip_mput_f(A,4,2,9); vsip_mput_f(A,4,3,4);
vsip_mput_f(A,4,4,1); vsip_mput_f(A,4,5,2); vsip_mput_f(A,4,6,3);
vsip_mput_f(A,5,0,.1); vsip_mput_f(A,5,1,2); vsip_mput_f(A,5,2,.3); vsip_mput_f(A,5,3,4);
vsip_mput_f(A,5,4,1); vsip_mput_f(A,5,5,2); vsip_mput_f(A,5,6,3);
vsip_mput_f(A,6,0,.01); vsip_mput_f(A,6,1,.2); vsip_mput_f(A,6,2,3); vsip_mput_f(A,6,3,4);
vsip_mput_f(A,6,4,1); vsip_mput_f(A,6,5,2); vsip_mput_f(A,6,6,3);
{int i,j; printf("A = [\n"); for(i=0; i<NN; i++){
for(j=0; j<NN; j++) printf("%9.2f%s",vsip_mget_f(A,i,j),(j == NN-1) ? "":",");
printf(";\n");
}
printf("]\n");
}
{ /* were solving for NTRANS Ax = B */
/* use a known X, calculate B using Ax */
int k;
vsip_vview_f *x;
vsip_mview_f *AT = vsip_mtransview_f(A);
vsip_length L = vsip_mgetrowlength_f(X);
vsip_vramp_f(1,1,x0);
for(k=0; k<L; k++){
x = vsip_mcolview_f(X,k);
vsip_mvprod_f(A,x0,x);
vsip_svmul_f(2.0,x0,x0);
vsip_vdestroy_f(x);
}
vsip_vramp_f(1,1,x0);
for(k=0; k<L; k++){
x = vsip_mcolview_f(XT,k);
vsip_mvprod_f(AT,x0,x);
vsip_svmul_f(2.0,x0,x0);
vsip_vdestroy_f(x);
}
vsip_mdestroy_f(AT);
printf("X = 1 2 4\n 2 4 8\n 3 6 12\n 4 8 16\n 5 10 20\n 6 12 24\n 7 14 28\n");
{
int i,j; printf("B = [\n");for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
printf("]\n");
}
{
/* then solve for B to see if we get X back */
vsip_lu_f* luAop = vsip_lud_create_f(NN);
if(luAop == NULL) exit(1);
vsip_lud_f(luAop,A);
{ vsip_lu_attr_f attr;
vsip_lud_getattr_f(luAop,&attr);
printf("lud size %lu\n",attr.n);
}
vsip_lusol_f(luAop,VSIP_MAT_NTRANS,X);
vsip_lusol_f(luAop,VSIP_MAT_TRANS,XT);
vsip_lud_destroy_f(luAop);
}
}
{int i,j; printf("A\\X\n"); for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(X,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{int i,j; printf("A'\\X\n"); for(i=0; i<NN; i++){
for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_f(XT,i,j),(j == 2) ? "":",");
printf(";\n");
}
}
{
vsip_malldestroy_f(XT);
vsip_valldestroy_f(x0);
vsip_malldestroy_f(X);
vsip_mdestroy_f(A);
vsip_malldestroy_f(Adummy);
}
} vsip_finalize((void*)0); return 1;
}
int main(){vsip_init((void*)0);
{
int solretval=0;
vsip_scalar_vi i,j;
vsip_mview_f *A = vsip_mcreate_f(M, N,VSIP_COL,0);
vsip_mview_f *X = vsip_mcreate_f(M,NB,VSIP_ROW,0);
/* Nullify the data-space */
for (i=0; i < vsip_mgetcollength_f(A); i++)
for(j=0; j < vsip_mgetrowlength_f(A); j++)
vsip_mput_f(A,i,j,(double)0);
for (i=0; i < vsip_mgetcollength_f(X); i++)
for(j=0; j < vsip_mgetrowlength_f(X); j++)
vsip_mput_f(X,i,j,(double)0);
/* Initialise matrix A */
for (i=0; i<M; i++)
for (j = 0; j < N; j++)
if(i == j)
vsip_mput_f(A,i,j, (double)(M+1));
else
vsip_mput_f(A,i,j, -1.0);
{ /* store data */
/* vsip_mput_f(A,0,0,1); vsip_mput_f(A,0,1,2); vsip_mput_f(A,0,2,1); */
/* vsip_mput_f(A,1,0,3); vsip_mput_f(A,1,1,-1); vsip_mput_f(A,1,2,0); */
/* vsip_mput_f(A,2,0,2); vsip_mput_f(A,2,1,1); vsip_mput_f(A,2,2,-1); */
/* vsip_mput_f(A,3,0,1); vsip_mput_f(A,3,1,2); vsip_mput_f(A,3,2,2); */
/* vsip_mput_f(X,0,0,1); */
/* vsip_mput_f(X,1,0,2); */
/* vsip_mput_f(X,2,0,2); */
/* vsip_mput_f(X,3,0,1); */
}
{int i,j;
printf("matrix\n A = [\n");
for(i=0; i<M; i++)
{
for(j=0; j< N; j++)
printf("%9.2f%s",vsip_mget_f(A,i,j),(j == N-1) ? "":",");
(i==M-1) ? printf(";]\n") : printf(";\n") ;
}
}
{ int j, k;
vsip_vview_f *y = NULL;
vsip_vview_f *x;
vsip_length L = NB;
vsip_length p = M;
for(k=0; k<L; k++)
{
x = vsip_mcolview_f(X,k);
for (j=0; j<p; j++)
{
y = vsip_mrowview_f(A,j);
vsip_vput_f(x,j,(double)(k+1)*(vsip_vsumval_f(y)));
/* vsip_vput_f(x,j,(vsip_vsumval_f(y)));*/
vsip_vdestroy_f(y);
}
vsip_vdestroy_f(x);
}
}
{int i,j;
printf("rhs matrix\n B = [\n");
for(i=0; i<NN; i++)
{
for(j=0; j<NB; j++)
printf("%9.2f%s",vsip_mget_f(X,i,j),(j == NB-1) ? "":",");
(i==NN-1) ? printf(";]\n") : printf(";\n") ;
}
}
{vsip_qr_f* qrAop = vsip_qrd_create_f(M,N, QOPT);
if(qrAop == NULL) exit(1);
{int i,j;
if(QOPT == VSIP_QRD_SAVEQ1)
{
printf("qrd returns %i\n",vsip_qrd_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 %s",vsip_mget_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_qrd_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 %s",vsip_mget_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_qrsol_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_qrsol_f(qrAop,QPROB, X)))
{
printf("Warning -- Covariance soln returns %i -- Check\n",solretval);
printf("Upper triang. mat. R, possibly singular\n");
}
else
printf("Covariance soln returns %i\n",solretval);
}
vsip_qrd_destroy_f(qrAop);
}
{int i,j;
printf("Soln Matrix\n");
for(i=0; i<N; i++)
{
for(j=0; j<NB; j++)
printf("%9.5f%s",vsip_mget_f(X,i,j),(j == NB-1) ? "":",");
printf(";\n");
}
}
vsip_malldestroy_f(X);
vsip_malldestroy_f(A);
} vsip_finalize((void*)0); return 1;
}
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 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;
}
