int main(){vsip_init((void*)0);
{
void VU_mprint_f(vsip_mview_f*);
void VU_mfill_f(vsip_mview_f*, vsip_scalar_f);
vsip_mview_f *A = vsip_mcreate_f(M,N,VSIP_ROW,0),
*B = vsip_mcreate_f(M,P,VSIP_ROW,0),
*C = vsip_mcreate_f(N,P,VSIP_ROW,0);
int row, col,i;
for(row=0;row<M;row++) for(col=0;col<N;col++)
vsip_mput_f(A,row,col,1 + sqrt(col*row));
for(row=0;row<M;row++) for(col=0;col<P;col++)
vsip_mput_f(B,row,col,1 + row * col);
printf("\n A input \n");
VU_mprint_f(A);
printf("\n B input \n");
VU_mprint_f(B);
VU_mfill_f(C,0);
printf("alpha= %f, beta= %f,\n",alpha,beta);
{
vsip_mat_op OpA = VSIP_MAT_TRANS;
vsip_mat_op OpB = VSIP_MAT_NTRANS;
printf("OpA %i; OpB %i\n",OpA,OpB);
for(i=0; i<L; i++){
vsip_gemp_f(alpha,A,OpA,B,OpB,beta,C);
printf("C number %i\n",i); VU_mprint_f(C);
}
}
vsip_malldestroy_f(A);
vsip_malldestroy_f(B);
vsip_malldestroy_f(C);
} vsip_finalize((void*)0); return 0;
}
int main(){vsip_init((void*)0);
{
FILE *vfptr = fopen("vector.data","r");
FILE *mfptr = fopen("matrix.data","r");
vsip_mview_f *B = vsip_mcreate_f(3,5,VSIP_ROW,0);
vsip_mview_f *R = vsip_mcreate_f(3,5,VSIP_ROW,0);
vsip_vview_f *a = vsip_vcreate_f(5,0);
VU_vreadf_f(vfptr,a);
VU_mreadf_f(mfptr,B);
fclose(vfptr); fclose(mfptr);
vsip_vmmul_f(a,B,VSIP_ROW,R);
printf("a = "); VU_vprintm_f("6.2",a);
printf("B = "); VU_mprintm_f("6.2",B);
printf("R = "); VU_mprintm_f("6.2",R);
{ /* test for VSIP_COL */
vsip_mview_f *BT = vsip_mtransview_f(B);
vsip_mview_f *RT = vsip_mtransview_f(R);
vsip_vmmul_f(a,BT,VSIP_COL,RT);
printf("a = "); VU_vprintm_f("6.2",a);
printf("BT = "); VU_mprintm_f("6.2",BT);
printf("RT = "); VU_mprintm_f("6.2",RT);
vsip_mdestroy_f(BT);
vsip_mdestroy_f(RT);
}
vsip_valldestroy_f(a);
vsip_malldestroy_f(B);
vsip_malldestroy_f(R);
} vsip_finalize((void*)0); return 0;
}
int main(int argc, char *argv[]){vsip_init((void*)0);
{ if(argc < 3){
printf("usage\nqrdex M N FileName\n");
exit(1);
}
{
int VU_qrd_f(vsip_mview_f*,vsip_mview_f*);
vsip_length M = (vsip_length)atoi(argv[1]),
N = (vsip_length)atoi(argv[2]);
vsip_mview_f *A = vsip_mcreate_f(M,N,VSIP_COL,0),
*Q = vsip_mcreate_f(M,N,VSIP_COL,0),
*R = vsip_mcreate_f(N,N,VSIP_ROW,0);
FILE *fptr = fopen(argv[3],"r");
VU_mreadf_f(fptr,A);
fclose(fptr);
vsip_mcopy_f_f(A,Q);
printf("A =");VU_mprintm_f("9.6",A);
VU_qrd_f(Q,R);
printf("Q =");VU_mprintm_f("9.6",Q);
printf("R =");VU_mprintm_f("9.6",R);
vsip_mprod_f(Q,R,A);
printf("QR =");VU_mprintm_f("9.6",A);
vsip_malldestroy_f(A);
vsip_malldestroy_f(Q);
vsip_malldestroy_f(R);
} vsip_finalize((void*)0); return 0;
}
}
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;
}
/* 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;
}
/* sign function as defined in http://www.netlib.org/lapack/lawnspdf/lawn148.pdf */
static vsip_scalar_f sign_f(vsip_scalar_f a_in)
{
if(a_in < 0.0)
return -1.0;
else
return 1.0;
} /* same */
static void biDiagPhaseToZero_f( svdObj_f *svd)
{
vsip_mview_f *L = svd->L;
vsip_vview_f *d = svd->d;
vsip_vview_f *f = svd->f;
vsip_mview_f *R = svd->R;
vsip_scalar_f eps0 = svd->eps0;
vsip_length n_d=vsip_vgetlength_f(d);
vsip_length n_f=vsip_vgetlength_f(f);
vsip_index i,j;
vsip_scalar_f ps;
vsip_scalar_f m;
vsip_vview_f *l = svd->ls_one;
vsip_vview_f *r = svd->rs_one;
for(i=0; i<n_d; i++){
ps=vsip_vget_f(d,i);
m = vsip_mag_f(ps);
ps=sign_f(ps);
if(m > eps0){
col_sv_f(L,l,i);vsip_svmul_f(ps,l,l);
vsip_vput_f(d,i,m);
if (i < n_f)
vsip_vput_f(f,i,ps*vsip_vget_f(f,i));
} else {
vsip_vput_f(d,i,0.0);
}
}
svdZeroCheckAndSet_f(eps0,d,f);
for (i=0; i<n_f-1; i++){
j=i+1;
ps = vsip_vget_f(f,i);
m = vsip_mag_f(ps);
ps=sign_f(ps);
col_sv_f(L, l, j);vsip_svmul_f(ps,l,l);
row_sv_f(R,r,j);vsip_svmul_f(ps,r,r);
vsip_vput_f(f,i,m);
vsip_vput_f(f,j,ps * vsip_vget_f(f,j));
}
j=n_f;
i=j-1;
ps=vsip_vget_f(f,i);
m=vsip_mag_f(ps);
ps=sign_f(ps);
vsip_vput_f(f,i,m);
col_sv_f(L, l, j);vsip_svmul_f(ps,l,l);
row_sv_f(R,r,j);vsip_svmul_f(ps,r,r);
}
static void phaseCheck_f(svdObj_f *svd)
{
biDiagPhaseToZero_f(svd);
}
void houseProd_f(vsip_vview_f *v, vsip_mview_f *A)
{
vsip_mattr_f a_atr;
vsip_vview_f *w;
vsip_mview_f *B;
vsip_mgetattrib_f(A,&a_atr);
B=vsip_mcreate_f(a_atr.col_length,a_atr.row_length,VSIP_ROW,VSIP_MEM_NONE);
w = vsip_vcreate_f(a_atr.row_length,VSIP_MEM_NONE);
vsip_scalar_f beta = 2.0/vsip_vdot_f(v,v);
vsip_vmprod_f(v,A,w);
vsip_vouter_f(beta,v,w,B);
vsip_msub_f(A,B,A);
vsip_valldestroy_f(w);
vsip_malldestroy_f(B);
} /* need to remove create */
void prodHouse_f(vsip_mview_f *A, vsip_vview_f *v)
{
vsip_mattr_f a_atr;
vsip_vview_f *w;
vsip_mview_f *B;
vsip_mgetattrib_f(A,&a_atr);
B=vsip_mcreate_f(a_atr.col_length,a_atr.row_length,VSIP_ROW,VSIP_MEM_NONE);
w = vsip_vcreate_f(a_atr.col_length,VSIP_MEM_NONE);
vsip_scalar_f beta = 2.0/vsip_vdot_f(v,v);
vsip_mvprod_f(A,v,w);
vsip_vouter_f(beta,w,v,B);
vsip_msub_f(A,B,A);
vsip_valldestroy_f(w);
vsip_malldestroy_f(B);
} /* need to remove create */
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;
}
int main(){vsip_init((void*)0);
{
int i,j;
vsip_vview_f* a = vsip_vcreate_f(M,0);
vsip_vview_f* b = vsip_vcreate_f(N,0);
vsip_mview_f* r = vsip_mcreate_f(
vsip_vgetlength_f(a),
vsip_vgetlength_f(b),
VSIP_ROW,0);
vsip_vramp_f(1.0, 1.0 , b);
vsip_vramp_f(1.0, -2.0/(double)(N-1), a);
vsip_vouter_f(1,a, b, r);
printf("a = [\n");
for(i=0; i<vsip_vgetlength_f(a); i++)
printf("%6.3f%s\n", vsip_vget_f(a,i),
(i == vsip_vgetlength_f(a) -1) ? "":";");
printf("]\n");
printf("b = [\n");
for(i=0; i<vsip_vgetlength_f(b); i++)
printf("%6.3f%s\n", vsip_vget_f(b,i),
(i == vsip_vgetlength_f(a) -1) ? "":";");
printf("]\n");
printf("\na * b' = \n");
for(i=0; i<vsip_vgetlength_f(a); i++){
for(j=0; j<vsip_vgetlength_f(b); j++)
printf("%6.3f ",vsip_mget_f(r,i,j));
printf("\n");
}
printf("]\n");
/*destroy the vector views and any associated blocks*/
vsip_valldestroy_f(b);
vsip_valldestroy_f(a);
vsip_malldestroy_f(r);
} vsip_finalize((void*)0); return 0;
}
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;
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;
}
