LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zgemqrt()

lapack_int LAPACKE_zgemqrt ( int  matrix_layout,
char  side,
char  trans,
lapack_int  m,
lapack_int  n,
lapack_int  k,
lapack_int  nb,
const lapack_complex_double v,
lapack_int  ldv,
const lapack_complex_double t,
lapack_int  ldt,
lapack_complex_double c,
lapack_int  ldc 
)

Definition at line 35 of file lapacke_zgemqrt.c.

41{
42 lapack_int nrows_v;
43 lapack_int info = 0;
44 lapack_complex_double* work = NULL;
45 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
46 LAPACKE_xerbla( "LAPACKE_zgemqrt", -1 );
47 return -1;
48 }
49#ifndef LAPACK_DISABLE_NAN_CHECK
50 if( LAPACKE_get_nancheck() ) {
51 /* Optionally check input matrices for NaNs */
52 nrows_v = LAPACKE_lsame( side, 'L' ) ? m :
53 ( LAPACKE_lsame( side, 'R' ) ? n : 0 );
54 if( LAPACKE_zge_nancheck( matrix_layout, m, n, c, ldc ) ) {
55 return -12;
56 }
57 if( LAPACKE_zge_nancheck( matrix_layout, nb, k, t, ldt ) ) {
58 return -10;
59 }
60 if( LAPACKE_zge_nancheck( matrix_layout, nrows_v, k, v, ldv ) ) {
61 return -8;
62 }
63 }
64#endif
65 /* Allocate memory for working array(s) */
66 work = (lapack_complex_double*)
67 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,m) * MAX(1,nb) );
68 if( work == NULL ) {
70 goto exit_level_0;
71 }
72 /* Call middle-level interface */
73 info = LAPACKE_zgemqrt_work( matrix_layout, side, trans, m, n, k, nb, v, ldv,
74 t, ldt, c, ldc, work );
75 /* Release memory and exit */
76 LAPACKE_free( work );
77exit_level_0:
78 if( info == LAPACK_WORK_MEMORY_ERROR ) {
79 LAPACKE_xerbla( "LAPACKE_zgemqrt", info );
80 }
81 return info;
82}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_double
Definition: lapack.h:64
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_zgemqrt_work(int matrix_layout, char side, char trans, lapack_int m, lapack_int n, lapack_int k, lapack_int nb, const lapack_complex_double *v, lapack_int ldv, const lapack_complex_double *t, lapack_int ldt, lapack_complex_double *c, lapack_int ldc, lapack_complex_double *work)
#define LAPACKE_free(p)
Definition: lapacke.h:46
#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_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
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