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; } }
svdObj_f *svd_f(vsip_mview_f *A) { svdObj_f *svd = svdInit_f(vsip_mgetcollength_f(A),vsip_mgetrowlength_f(A)); if(!svd){ printf("malloc failure for SVD"); exit(0);} vsip_mcopy_f_f(A,svd->B); svdBidiag_f(svd); svdIteration_f(svd); svdSort_f(svd); return svd; }
int main(int argc, char *argv[]){vsip_init((void*)0); { if(argc < 3){ printf("usage\nqrdex M N FileName\n"); } else { /* matrix size */ vsip_length M = (vsip_length)atoi(argv[1]), N = (vsip_length)atoi(argv[2]); /* Create some space to hold the matrix */ vsip_mview_f *A = vsip_mcreate_f(M,N,VSIP_COL,VSIP_MEM_NONE), *A0 = vsip_mcreate_f(M,N,VSIP_COL,VSIP_MEM_NONE); /* get data */ FILE *fptr = fopen(argv[3],"r"); VU_mreadf_f(fptr,A); fclose(fptr); vsip_mcopy_f_f(A,A0); /* will use A, original data in A0 */ { /* test prodq for Q1 */ /* create a QRD object */ vsip_qr_f *qrd = vsip_qrd_create_f(M,N,VSIP_QRD_SAVEQ1); /* create a matrix to hold Q */ vsip_mview_f *I = VU_I_f(M); vsip_mview_f *Q = vsip_msubview_f(I,0,0,M,N); vsip_mview_f *Qt = vsip_mtransview_f(Q); /* create a matrix to hold R */ vsip_mview_f *A1 = vsip_mcreate_f(M,N,VSIP_ROW,VSIP_MEM_NONE); vsip_mview_f *R1 = vsip_msubview_f(A1,0,0,N,N); vsip_mview_f *R = vsip_mcreate_f(N,N,VSIP_ROW,VSIP_MEM_NONE); /* create a matrix to hold Q Q^t */ vsip_mview_f *I1 = vsip_mcreate_f(M,M,VSIP_ROW,VSIP_MEM_NONE); vsip_mview_f *I_1NN = vsip_msubview_f(I1,0,0,N,N); vsip_mview_f *I_1MN = vsip_msubview_f(I1,0,0,M,N); vsip_mview_f *I_1NM = vsip_msubview_f(I1,0,0,N,M); /* create a matrix to hold Q^t Q */ vsip_mview_f *I2 = vsip_mcreate_f(M,M,VSIP_ROW,VSIP_MEM_NONE); vsip_mview_f *I_2NN = vsip_msubview_f(I2,0,0,N,N); vsip_mview_f *I_2MN = vsip_msubview_f(I2,0,0,M,N); vsip_mview_f *I_2NM = vsip_msubview_f(I2,0,0,N,M); /* do decomposition */ vsip_qrd_f(qrd,A); /* find Q */ vsip_qrdprodq_f(qrd,VSIP_MAT_NTRANS,VSIP_MAT_RSIDE,I); printf("A = \n"); VU_mprintm_f("6.4",A0); printf("Q = \n"); VU_mprintm_f("6.4",Q); /* find R */ vsip_mcopy_f_f(A0,A1); vsip_mprod_f(Qt,A1,R); printf("From mprod R = \n"); VU_mprintm_f("6.4",R); vsip_qrdprodq_f(qrd,VSIP_MAT_TRANS,VSIP_MAT_LSIDE,A1); printf("From qrdprod R = \n"); VU_mprintm_f("6.4",R1); /* find A from Q and R */ vsip_mprod_f(Q,R,A1); printf("Q R = \n");VU_mprintm_f("6.4",A1); /* find Q^t Q using mprod */ VU_mfillz_f(I1); VU_mfillz_f(I2); vsip_mcopy_f_f(Qt,I_1NM); vsip_mprod_f(I_1NM,Q,I_2NN); printf("directly using mprod Q^t Q = \n"); VU_mprintm_f("6.4",I_2NN); /* find Q^t Q using matprod on Rside */ VU_mfillz_f(I1); vsip_mcopy_f_f(Qt,I_1NM); vsip_qrdprodq_f(qrd,VSIP_MAT_NTRANS,VSIP_MAT_RSIDE,I_1NM); printf("using qrdprodq Q^t Q Rside = \n"); VU_mprintm_f("6.4",I_1NN); /* find Q^t Q using matprod on Lside */ VU_mfillz_f(I2); vsip_mcopy_f_f(Q,I_2MN); vsip_qrdprodq_f(qrd,VSIP_MAT_TRANS,VSIP_MAT_LSIDE,I2); printf("using qrdprodq Q^t Q Lside = \n"); VU_mprintm_f("6.4",I_2NN); /* find Q Q^t using Mprod */ VU_mfillz_f(I1); VU_mfillz_f(I2); vsip_mcopy_f_f(Qt,I_1NM); vsip_mprod_f(Q,I_1NM,I2); printf("directly using mprod Q Q^t = \n"); VU_mprintm_f("6.4",I2); /* find Q Q^t using matprod on Rside */ VU_mfillz_f(I1); vsip_mcopy_f_f(Q,I_1MN); vsip_qrdprodq_f(qrd,VSIP_MAT_TRANS,VSIP_MAT_RSIDE,I1); printf("using qrdprodq Q Q^t Rside = \n"); VU_mprintm_f("6.4",I1); /* find Q Q^t using matprod on Lside */ VU_mfillz_f(I2); vsip_mcopy_f_f(Qt,I_2NM); vsip_qrdprodq_f(qrd,VSIP_MAT_NTRANS,VSIP_MAT_LSIDE,I2); printf("using qrdprodq Q Q^t Lside = \n"); VU_mprintm_f("6.4",I2); } } }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_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; }