LAPACK 3.11.0 LAPACK: Linear Algebra PACKage
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◆ LAPACKE_dopmtr()

 lapack_int LAPACKE_dopmtr ( int matrix_layout, char side, char uplo, char trans, lapack_int m, lapack_int n, const double * ap, const double * tau, double * c, lapack_int ldc )

Definition at line 35 of file lapacke_dopmtr.c.

38{
39 lapack_int info = 0;
40 /* Additional scalars declarations for work arrays */
41 lapack_int lwork;
42 double* work = NULL;
43 lapack_int r;
44 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
45 LAPACKE_xerbla( "LAPACKE_dopmtr", -1 );
46 return -1;
47 }
48#ifndef LAPACK_DISABLE_NAN_CHECK
49 if( LAPACKE_get_nancheck() ) {
50 /* Optionally check input matrices for NaNs */
51 r = LAPACKE_lsame( side, 'l' ) ? m : n;
52 if( LAPACKE_dsp_nancheck( r, ap ) ) {
53 return -7;
54 }
55 if( LAPACKE_dge_nancheck( matrix_layout, m, n, c, ldc ) ) {
56 return -9;
57 }
58 if( LAPACKE_d_nancheck( r-1, tau, 1 ) ) {
59 return -8;
60 }
61 }
62#endif
63 /* Additional scalars initializations for work arrays */
64 if( LAPACKE_lsame( side, 'l' ) ) {
65 lwork = MAX(1,n);
66 } else if( LAPACKE_lsame( side, 'r' ) ) {
67 lwork = MAX(1,m);
68 } else {
69 lwork = 1; /* Any value */
70 }
71 /* Allocate memory for working array(s) */
72 work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
73 if( work == NULL ) {
75 goto exit_level_0;
76 }
77 /* Call middle-level interface */
78 info = LAPACKE_dopmtr_work( matrix_layout, side, uplo, trans, m, n, ap, tau,
79 c, ldc, work );
80 /* Release memory and exit */
81 LAPACKE_free( work );
82exit_level_0:
83 if( info == LAPACK_WORK_MEMORY_ERROR ) {
84 LAPACKE_xerbla( "LAPACKE_dopmtr", info );
85 }
86 return info;
87}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
#define LAPACKE_free(p)
Definition: lapacke.h:46
lapack_int LAPACKE_dopmtr_work(int matrix_layout, char side, char uplo, char trans, lapack_int m, lapack_int n, const double *ap, const double *tau, double *c, lapack_int ldc, double *work)
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_lsame(char ca, char cb)
Definition: lapacke_lsame.c:35
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_dge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda)
lapack_logical LAPACKE_dsp_nancheck(lapack_int n, const double *ap)
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