LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_zheequb()

lapack_int LAPACKE_zheequb ( int  matrix_layout,
char  uplo,
lapack_int  n,
const lapack_complex_double a,
lapack_int  lda,
double *  s,
double *  scond,
double *  amax 
)

Definition at line 35 of file lapacke_zheequb.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_zheequb", -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_zhe_nancheck( matrix_layout, uplo, n, a, lda ) ) {
49 return -4;
50 }
51 }
52#endif
53 /* Allocate memory for working array(s) */
54 work = (lapack_complex_double*)
55 LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,3*n) );
56 if( work == NULL ) {
58 goto exit_level_0;
59 }
60 /* Call middle-level interface */
61 info = LAPACKE_zheequb_work( matrix_layout, uplo, n, a, lda, s, scond, amax,
62 work );
63 /* Release memory and exit */
64 LAPACKE_free( work );
65exit_level_0:
66 if( info == LAPACK_WORK_MEMORY_ERROR ) {
67 LAPACKE_xerbla( "LAPACKE_zheequb", info );
68 }
69 return info;
70}
#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_zheequb_work(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda, double *s, double *scond, double *amax, 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
void LAPACKE_xerbla(const char *name, lapack_int info)
lapack_logical LAPACKE_zhe_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_double *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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