LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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◆ F77_dtpsv()

void F77_dtpsv ( CBLAS_INT * layout,
char * uplow,
char * transp,
char * diagn,
CBLAS_INT * n,
double * ap,
double * x,
CBLAS_INT * incx )

Definition at line 488 of file c_dblas2.c.

493 {
494 double *A, *AP;
495 CBLAS_INT i, j, k, LDA;
496 CBLAS_TRANSPOSE trans;
497 CBLAS_UPLO uplo;
498 CBLAS_DIAG diag;
499
500 get_transpose_type(transp,&trans);
501 get_uplo_type(uplow,&uplo);
502 get_diag_type(diagn,&diag);
503
504 if (*layout == TEST_ROW_MJR) {
505 LDA = *n;
506 A = ( double* )malloc( LDA*LDA*sizeof( double ) );
507 AP = ( double* )malloc( (((LDA+1)*LDA)/2)*sizeof( double ) );
508 if (uplo == CblasUpper) {
509 for( j=0, k=0; j<*n; j++ )
510 for( i=0; i<j+1; i++, k++ )
511 A[ LDA*i+j ]=ap[ k ];
512 for( i=0, k=0; i<*n; i++ )
513 for( j=i; j<*n; j++, k++ )
514 AP[ k ]=A[ LDA*i+j ];
515
516 }
517 else {
518 for( j=0, k=0; j<*n; j++ )
519 for( i=j; i<*n; i++, k++ )
520 A[ LDA*i+j ]=ap[ k ];
521 for( i=0, k=0; i<*n; i++ )
522 for( j=0; j<i+1; j++, k++ )
523 AP[ k ]=A[ LDA*i+j ];
524 }
525 cblas_dtpsv( CblasRowMajor, uplo, trans, diag, *n, AP, x, *incx );
526 free(A);
527 free(AP);
528 }
529 else
530 cblas_dtpsv( CblasColMajor, uplo, trans, diag, *n, ap, x, *incx );
531}
CBLAS_UPLO
Definition cblas.h:41
@ CblasUpper
Definition cblas.h:41
CBLAS_TRANSPOSE
Definition cblas.h:40
@ CblasColMajor
Definition cblas.h:39
@ CblasRowMajor
Definition cblas.h:39
CBLAS_DIAG
Definition cblas.h:42
#define CBLAS_INT
Definition cblas.h:24
void cblas_dtpsv(CBLAS_LAYOUT layout, CBLAS_UPLO Uplo, CBLAS_TRANSPOSE TransA, CBLAS_DIAG Diag, const CBLAS_INT N, const double *Ap, double *X, const CBLAS_INT incX)
Definition cblas_dtpsv.c:10
void get_diag_type(char *type, CBLAS_DIAG *diag)
Definition auxiliary.c:25
#define TEST_ROW_MJR
Definition cblas_test.h:21
void get_uplo_type(char *type, CBLAS_UPLO *uplo)
Definition auxiliary.c:18
void get_transpose_type(char *type, CBLAS_TRANSPOSE *trans)
Definition auxiliary.c:8
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