LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zgeqr2()

lapack_int LAPACKE_zgeqr2 ( int  matrix_layout,
lapack_int  m,
lapack_int  n,
lapack_complex_double a,
lapack_int  lda,
lapack_complex_double tau 
)

Definition at line 35 of file lapacke_zgeqr2.c.

38{
39 lapack_int info = 0;
40 lapack_complex_double* work = NULL;
41 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42 LAPACKE_xerbla( "LAPACKE_zgeqr2", -1 );
43 return -1;
44 }
45#ifndef LAPACK_DISABLE_NAN_CHECK
46 if( LAPACKE_get_nancheck() ) {
47 /* Optionally check input matrices for NaNs */
48 if( LAPACKE_zge_nancheck( matrix_layout, m, n, a, lda ) ) {
49 return -4;
50 }
51 }
52#endif
53 /* Allocate memory for working array(s) */
54 work = (lapack_complex_double*)
56 if( work == NULL ) {
58 goto exit_level_0;
59 }
60 /* Call middle-level interface */
61 info = LAPACKE_zgeqr2_work( matrix_layout, m, n, a, lda, tau, work );
62 /* Release memory and exit */
63 LAPACKE_free( work );
64exit_level_0:
65 if( info == LAPACK_WORK_MEMORY_ERROR ) {
66 LAPACKE_xerbla( "LAPACKE_zgeqr2", info );
67 }
68 return info;
69}
#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
#define LAPACKE_free(p)
Definition: lapacke.h:46
#define LAPACK_ROW_MAJOR
Definition: lapacke.h:52
lapack_int LAPACKE_zgeqr2_work(int matrix_layout, lapack_int m, lapack_int n, lapack_complex_double *a, lapack_int lda, lapack_complex_double *tau, lapack_complex_double *work)
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
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