int main(){vsip_init((void*)0); { vsip_vview_d *a = vsip_vcreate_d(N,0), *r = vsip_vcreate_d(P,0); vsip_mview_d *B = vsip_mcreate_d(P,N,VSIP_ROW,0); int i, j; vsip_vramp_d(1.0,1.0,a); for(i=0;i<P;i++) for(j=0;j<N;j++) vsip_mput_d(B,i,j,1 + i * j); printf("\n vector input \n"); vsip_mvprod_d(B,a,r); for(j=0;j<N;j++){ printf(" %6.2f ",vsip_vget_d(a,j)); } printf("\n"); printf("\n matrix input \n"); {for(i=0; i<P; i++) {for(j=0;j<N;j++){ printf(" %6.2f ",vsip_mget_d(B,i,j)); } printf(";\n"); } } printf("\n vector output \n"); for(j=0;j<P;j++){ printf("%6.2f ",vsip_vget_d(r,j)); } printf("\n"); vsip_valldestroy_d(a); vsip_valldestroy_d(r); vsip_malldestroy_d(B); }vsip_finalize((void*)0);return 0; }
int main(int argc, char *argv[]) { vsip_init((void*)0); { if(argc < 4) { printf("usage\nfirEx length decimation filterFile <indataFile >outputFile\n"); exit(0); } { vsip_length N = (vsip_length)atoi(argv[1]); int D = atoi(argv[2]); vsip_scalar_vi n = 0,k = 0; vsip_scalar_d hv; FILE *fh; vsip_fir_d *fir; vsip_vview_d *x = vsip_vcreate_d(N,0), *h,*y; fh = fopen(argv[3],"r"); while(fscanf(fh,"%lf",&hv) == 1) n++; rewind(fh); y = vsip_vcreate_d(N/D + 1,0); h = vsip_vcreate_d(n,0); n=0; while(fscanf(fh,"%lf",&hv) == 1) { vsip_vput_d(h,n,hv); n++; } fclose(fh); fir = vsip_fir_create_d(h,VSIP_NONSYM,N,D,STATE,0,0); n = VU_scanstdin_d(x); while(n == N) { k = vsip_firflt_d(fir,x,y); VU_printstdout_d(y,0,k); n = VU_scanstdin_d(x); } if(n != 0) { k = vsip_firflt_d(fir,x,y); VU_printstdout_d(y,0,k); } { /* test getattr */ vsip_fir_attr attr; vsip_fir_getattr_d(fir,&attr); printf("kernel %lu\n input %lu\n output %lu\ndecimation %d\n", attr.kernel_len,attr.in_len,attr.out_len, attr.decimation); } vsip_valldestroy_d(y); vsip_valldestroy_d(x); vsip_valldestroy_d(h); vsip_fir_destroy_d(fir); } vsip_finalize((void*)0); return 1; } }
void VU_vfreqswapIP_d(vsip_vview_d* b) { vsip_length N = vsip_vgetlength_d(b); if(N%2){/* odd */ vsip_vview_d *a1 = vsip_vsubview_d(b, (vsip_index)(N/2)+1, (vsip_length)(N/2)); vsip_vview_d *a2 = vsip_vsubview_d(b, (vsip_index)0, (vsip_length)(N/2)+1); vsip_vview_d *a3 = vsip_vcreate_d((vsip_length)(N/2)+1, VSIP_MEM_NONE); vsip_vcopy_d_d(a2,a3); vsip_vputlength_d(a2,(vsip_length)(N/2)); vsip_vcopy_d_d(a1,a2); vsip_vputlength_d(a2,(vsip_length)(N/2) + 1); vsip_vputoffset_d(a2,(vsip_offset)(N/2)); vsip_vcopy_d_d(a3,a2); vsip_vdestroy_d(a1); vsip_vdestroy_d(a2); vsip_valldestroy_d(a3); }else{ /* even */ vsip_vview_d *a1 = vsip_vsubview_d(b, (vsip_index)(N/2), (vsip_length)(N/2)); vsip_vputlength_d(b,(vsip_length)(N/2)); vsip_vswap_d(b,a1); vsip_vdestroy_d(a1); vsip_vputlength_d(b,N); } return; }
int main(){vsip_init((void*)0); { void VU_vfprintyg_d(char*,vsip_vview_d*,char*); void VU_vfreqswapIP_d(vsip_vview_d*); vsip_vview_d* Cw = vsip_vcreate_cheby_d(Nlength,ripple,0); vsip_fft_d *fft = vsip_ccfftip_create_d(Nlength,1.0,VSIP_FFT_FWD,0,0); vsip_cvview_d* FCW = vsip_cvcreate_d(Nlength,0); /*printf("CW = "); VU_vprintm_d("%6.8f ;\n",Cw); */ VU_vfprintyg_d("%6.8f\n",Cw,"Cheby_Window"); vsip_cvfill_d(vsip_cmplx_d(0,0),FCW); { vsip_vview_d *rv = vsip_vrealview_d(FCW); vsip_vcopy_d_d(Cw,rv); vsip_ccfftip_d(fft,FCW); vsip_vcmagsq_d(FCW,rv); { vsip_index ind; vsip_scalar_d max = vsip_vmaxval_d(rv,&ind); vsip_scalar_d min = max/(10e12); vsip_vclip_d(rv,min,max,min,max,rv); } vsip_vlog10_d(rv,rv); vsip_svmul_d(10,rv,rv); VU_vfreqswapIP_d(rv); VU_vfprintyg_d("%6.8f\n",rv,"Cheby_Window_Frequency_Response"); vsip_vdestroy_d(rv); } vsip_fft_destroy_d(fft); vsip_valldestroy_d(Cw); vsip_cvalldestroy_d(FCW); } vsip_finalize((void*)0); return 0; }
int main() { int i; vsip_cscalar_d z; vsip_scalar_d data[N]; /* a public data space for I/O */ vsip_fft_d *rcfftNop; vsip_block_d *block; vsip_vview_d *xin; vsip_cvview_d *yout; vsip_init((void *)0); rcfftNop = /* Create an out-of-place Real->Cmplx N-pt FFT */ vsip_rcfftop_create_d(N, 1.0, 1, VSIP_ALG_TIME); /* Create a block object and bind it to the array data */ block = vsip_blockbind_d(data, N, VSIP_MEM_NONE); xin = vsip_vbind_d(block, 0, 1, N); /* Create another block and complex vector view for the symmetric output */ yout = vsip_cvcreate_d((N/2)+1, VSIP_MEM_NONE); /* Admit block to VSIPL for processing and initialize with a linear ramp */ vsip_blockadmit_d(block, VSIP_FALSE); vsip_vramp_d(0.0, 1.0, xin); /* Compute an out-of-place Real->Cmplx N-pt FFT using the rcfftNop object */ vsip_rcfftop_d(rcfftNop, xin, yout); /* print it */ printf("Real Input Vector\n"); for(i=0; i<N; i++) { printf("%g\n", vsip_vget_d(xin,i)); } printf("\nComplex Output Vector\n"); for(i=0; i<(N/2)+1; i++) { z = vsip_cvget_d(yout,i); printf(SCMPLX "\n", ACMPLX(z)); } /* Destroy the rcfftNop, blocks, and view objects */ vsip_fft_destroy_d(rcfftNop); vsip_valldestroy_d(xin); vsip_cvalldestroy_d(yout); vsip_finalize((void *)0); return(0); }
int main(){vsip_init((void*)0); { void VU_mprint_d(vsip_mview_d*); void VU_mfill_d(vsip_mview_d*, vsip_scalar_d); void VU_vprint_d(vsip_vview_d*); vsip_mview_d *A = vsip_mcreate_d(M,N,VSIP_ROW,0); vsip_mview_d *ATA = vsip_mcreate_d(N,N,VSIP_ROW,0); vsip_vview_d *b = vsip_vcreate_d(M,0); vsip_mview_d *ATB = vsip_mcreate_d(N,1,VSIP_COL,0); vsip_vview_d *ATb = vsip_mcolview_d(ATB,0); { /* store data */ vsip_mput_d(A,0,0,1); vsip_mput_d(A,0,1,2); vsip_mput_d(A,0,2,1); vsip_mput_d(A,1,0,3); vsip_mput_d(A,1,1,-1); vsip_mput_d(A,1,2,0); vsip_mput_d(A,2,0,2); vsip_mput_d(A,2,1,1); vsip_mput_d(A,2,2,-1); vsip_mput_d(A,3,0,1); vsip_mput_d(A,3,1,2); vsip_mput_d(A,3,2,2); vsip_vput_d(b,0,1); vsip_vput_d(b,1,2); vsip_vput_d(b,2,2); vsip_vput_d(b,3,1); } printf("b = \n");VU_vprint_d(b); printf("A = \n");VU_mprint_d(A); VU_mfill_d(ATA,0); vsip_gemp_d(1,A,VSIP_MAT_TRANS,A,VSIP_MAT_NTRANS,1,ATA); printf("ATA = \n");VU_mprint_d(ATA); vsip_vmprod_d(b,A,ATb); printf("ATb = \n"); VU_vprint_d(ATb); { vsip_lu_d* luAop = vsip_lud_create_d(N); vsip_lud_d(luAop,ATA); vsip_lusol_d(luAop,VSIP_MAT_NTRANS,ATB); printf("solve ATA x = ATb\n"); printf("x = \n"); VU_mprint_d(ATB); vsip_lud_destroy_d(luAop); } vsip_valldestroy_d(b); vsip_vdestroy_d(ATb); vsip_mdestroy_d(A); vsip_mdestroy_d(ATA); vsip_mdestroy_d(ATB); }vsip_finalize((void*)0);return 0; }
int main(){vsip_init((void*)0); { vsip_mview_d *A = vsip_mcreate_d(N,N,VSIP_COL,0); vsip_vview_d *x0 = vsip_vcreate_d(N,0); vsip_vview_d *b = vsip_vcreate_d(N,0); vsip_mview_d *X = vsip_mcreate_d(N,3,VSIP_ROW,0); vsip_mview_d *XT = vsip_mcreate_d(N,3,VSIP_COL,0); vsip_vramp_d(1,1,x0); vsip_vmul_d(x0,x0,x0); vsip_mput_d(A,0,0,-3); vsip_mput_d(A,0,1,7); vsip_mput_d(A,0,2,10); vsip_mput_d(A,0,3,12); vsip_mput_d(A,1,0,0); vsip_mput_d(A,1,1,13); vsip_mput_d(A,1,2,18); vsip_mput_d(A,1,3,6); vsip_mput_d(A,2,0,2); vsip_mput_d(A,2,1,-9); vsip_mput_d(A,2,2,6); vsip_mput_d(A,2,3,3); vsip_mput_d(A,3,0,1); vsip_mput_d(A,3,1,2); vsip_mput_d(A,3,2,3); vsip_mput_d(A,3,3,4); {int i,j; printf("A = [\n"); for(i=0; i<N; i++){ for(j=0; j<N; j++) printf("%9.2f%s",vsip_mget_d(A,i,j),(j == N-1) ? "":","); printf(";\n"); } printf("]\n"); } { int k; vsip_vview_d *x; vsip_length L = vsip_mgetrowlength_d(X); for(k=0; k<L; k++){ x = vsip_mcolview_d(X,k); vsip_mvprod_d(A,x0,b); vsip_vcopy_d_d(b,x); vsip_svmul_d(2.0,x0,x0); vsip_vdestroy_d(x); } {int i,j; printf("X = [\n");for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":","); printf(";\n"); } printf("]\n"); } { vsip_lu_d* luAop = vsip_lud_create_d(N); vsip_mcopy_d_d(X,XT); if(luAop == NULL) exit(1); vsip_lud_d(luAop,A); vsip_lusol_d(luAop,0,X); vsip_lusol_d(luAop,1,XT); vsip_lud_destroy_d(luAop); } } {int i,j; printf("A\\X\n"); for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":","); printf(";\n"); } } {int i,j; printf("A'\\X\n"); for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(XT,i,j),(j == 2) ? "":","); printf(";\n"); } } { vsip_valldestroy_d(b); vsip_valldestroy_d(x0); vsip_malldestroy_d(X); vsip_malldestroy_d(A); } }vsip_finalize((void*)0);return 1; }
int main(){vsip_init((void*)0); { void VU_cmprint_d(vsip_cmview_d*); /* int i;*/ vsip_cmview_d *w = vsip_cmcreate_d(5,L+1,VSIP_ROW,0); vsip_cmview_d *W = vsip_cmcreate_d(5,L+1,VSIP_ROW,0); vsip_cmview_d *IW = vsip_cmcreate_d(5,L+1,VSIP_ROW,0); vsip_vview_d *blackman = vsip_vcreate_blackman_d(L,0), *hanning = vsip_vcreate_hanning_d(L,0), *kaiser = vsip_vcreate_kaiser_d(L,beta,0), *cheby = vsip_vcreate_cheby_d(L,ripple,0); vsip_fftm_d *fft = vsip_ccfftmop_create_d(4,L,1,VSIP_FFT_FWD,VSIP_ROW,0,0); vsip_fftm_d *ifft = vsip_ccfftmop_create_d(4, L, 1.0/L, VSIP_FFT_INV, VSIP_ROW,0,0); /*printf(" blackman "); printf(" hanning kaiser chebyshev\n"); for(i=0; i < L; i++) printf("%11.8f; %11.8f; %11.8f; %11.8f\n", vsip_vget_d(blackman,i), vsip_vget_d(hanning,i), vsip_vget_d(kaiser,i), vsip_vget_d(cheby,i)); */ vsip_cmputcollength_d(w,4); vsip_cmputcollength_d(W,4); vsip_cmputcollength_d(IW,4); vsip_cmputrowlength_d(w,L); vsip_cmputrowlength_d(W,L); vsip_cmputrowlength_d(IW,L); { vsip_mview_d *wR = vsip_mrealview_d(w); vsip_mview_d *wI = vsip_mimagview_d(w); vsip_vview_d *v = vsip_mrowview_d(wR,0); vsip_vview_d *vi = vsip_mrowview_d(wI,0); vsip_offset o = (vsip_offset)vsip_mgetcolstride_d(wR); vsip_offset oi = (vsip_offset)vsip_mgetcolstride_d(wI); vsip_vcopy_d_d(blackman,v); vsip_vfill_d(0,vi); vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o); vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi); vsip_vcopy_d_d(hanning,v); vsip_vfill_d(0,vi); vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o); vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi); vsip_vcopy_d_d(kaiser,v); vsip_vfill_d(0,vi); vsip_vputoffset_d(v,vsip_vgetoffset_d(v) + o); vsip_vputoffset_d(vi,vsip_vgetoffset_d(vi) + oi); vsip_vcopy_d_d(cheby,v); vsip_vfill_d(0,vi); vsip_mdestroy_d(wR); vsip_vdestroy_d(v); vsip_mdestroy_d(wI); vsip_vdestroy_d(vi); } vsip_ccfftmop_d(fft,w,W); vsip_ccfftmop_d(ifft,W,IW); printf(" w = ");VU_cmprint_d(w); printf(" W = ");VU_cmprint_d(W); printf("IW = ");VU_cmprint_d(IW); {/* test vsip_fftm_getattr_d */ vsip_fftm_attr_d attr; vsip_fftm_getattr_d(fft, &attr); printf("%lu %lu %lu %lu %d %f %d %d\n", vsip_rowindex(attr.input), vsip_colindex(attr.input), vsip_rowindex(attr.output), vsip_colindex(attr.output), attr.place,attr.scale,attr.dir,attr.major); vsip_fftm_getattr_d(ifft, &attr); printf("%lu %lu %lu %lu %d %f %d %d\n", vsip_rowindex(attr.input), vsip_colindex(attr.input), vsip_rowindex(attr.output), vsip_colindex(attr.output), attr.place,attr.scale,attr.dir,attr.major); } vsip_fftm_destroy_d(fft); vsip_fftm_destroy_d(ifft); vsip_valldestroy_d(blackman); vsip_valldestroy_d(hanning); vsip_valldestroy_d(kaiser); vsip_valldestroy_d(cheby); vsip_cmalldestroy_d(w); vsip_cmalldestroy_d(W); vsip_cmalldestroy_d(IW); }vsip_finalize((void*)0);return 0; }
int main(){vsip_init((void*)0); { vsip_mview_d *A = vsip_mcreate_d(N,N,VSIP_ROW,0); vsip_vview_d *x0 = vsip_vcreate_d(N,0); vsip_vview_d *b = vsip_vcreate_d(N,0); vsip_mview_d *X = vsip_mcreate_d(N,3,VSIP_ROW,0); vsip_mview_d *XT = vsip_mcreate_d(N,3,VSIP_ROW,0); vsip_vramp_d(1,1,x0); vsip_vmul_d(x0,x0,x0); { int i; vsip_vview_d *r = vsip_mrowview_d(A,0); vsip_offset o = vsip_vgetoffset_d(r); for(i=0; i<N; i++){ vsip_vputoffset_d(r,o); vsip_vramp_d(i,1,r); o +=N; } vsip_vdestroy_d(r); } { vsip_vview_d *r = vsip_mdiagview_d(A,0); vsip_vfill_d(0,r); vsip_vdestroy_d(r); } {int i,j; printf("A = [\n"); for(i=0; i<N; i++){ for(j=0; j<N; j++) printf("%9.2f%s",vsip_mget_d(A,i,j),(j == N-1) ? "":","); printf(";\n"); } printf("]\n"); } { int k; vsip_vview_d *x; vsip_length L = vsip_mgetrowlength_d(X); for(k=0; k<L; k++){ x = vsip_mcolview_d(X,k); vsip_mvprod_d(A,x0,b); vsip_vcopy_d_d(b,x); vsip_svmul_d(2.0,x0,x0); vsip_vdestroy_d(x); } {int i,j; printf("X = [\n"); for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":","); printf(";\n"); } printf("]\n"); } {vsip_lu_d* luAop = vsip_lud_create_d(N); vsip_mcopy_d_d(X,XT); if(luAop == NULL) exit(1); vsip_lud_d(luAop,A); vsip_lusol_d(luAop,0,X); vsip_lusol_d(luAop,1,XT); vsip_lud_destroy_d(luAop); } } {int i,j; printf("A\\X\n"); for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(X,i,j),(j == 2) ? "":","); printf(";\n"); } } {int i,j; printf("A'\\X\n"); for(i=0; i<N; i++){ for(j=0; j<3; j++) printf("%9.2f%s",vsip_mget_d(XT,i,j),(j == 2) ? "":","); printf(";\n"); } } { vsip_valldestroy_d(b); vsip_valldestroy_d(x0); vsip_malldestroy_d(X); vsip_malldestroy_d(A); } }vsip_finalize((void*)0);return 1; }