LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zlarcm()

lapack_int LAPACKE_zlarcm ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
const double *  a,
lapack_int  lda,
const lapack_complex_double b,
lapack_int  ldb,
lapack_complex_double c,
lapack_int  ldc 
)

Definition at line 35 of file lapacke_zlarcm.c.

39{
40 lapack_int info = 0;
41 double* rwork = NULL;
42
43 if (matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR) {
44 LAPACKE_xerbla("LAPACKE_zlarcm", -1);
45 return -1;
46 }
47#ifndef LAPACK_DISABLE_NAN_CHECK
48 if ( LAPACKE_get_nancheck() ) {
49 /* Optionally check input matrices for NaNs */
50 if( LAPACKE_dge_nancheck( matrix_layout, m, m, a, lda ) ) {
51 return -4;
52 }
53 if( LAPACKE_zge_nancheck( matrix_layout, m, n, b, ldb ) ) {
54 return -6;
55 }
56 }
57#endif
58 /* Allocate memory for work array(s) */
59 rwork = (double*)
60 LAPACKE_malloc(sizeof(double) * MAX(1, 2 * m * n));
61 if (rwork == NULL) {
63 goto exit_level_0;
64 }
65 /* Call middle-level interface */
66 info = LAPACKE_zlarcm_work(matrix_layout, m, n, a, lda, b, ldb,
67 c, ldc, rwork);
68 /* Release memory and exit */
69 LAPACKE_free(rwork);
70exit_level_0:
71 if( info == LAPACK_WORK_MEMORY_ERROR ) {
72 LAPACKE_xerbla( "LAPACKE_zlarcm", info );
73 }
74 return info;
75}
#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_zlarcm_work(int matrix_layout, lapack_int m, lapack_int n, const double *a, lapack_int lda, const lapack_complex_double *b, lapack_int ldb, lapack_complex_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
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#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)
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