LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cpstrf()

lapack_int LAPACKE_cpstrf ( int  matrix_layout,
char  uplo,
lapack_int  n,
lapack_complex_float a,
lapack_int  lda,
lapack_int piv,
lapack_int rank,
float  tol 
)

Definition at line 35 of file lapacke_cpstrf.c.

38{
39 lapack_int info = 0;
40 float* work = NULL;
41 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42 LAPACKE_xerbla( "LAPACKE_cpstrf", -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_cpo_nancheck( matrix_layout, uplo, n, a, lda ) ) {
49 return -4;
50 }
51 if( LAPACKE_s_nancheck( 1, &tol, 1 ) ) {
52 return -8;
53 }
54 }
55#endif
56 /* Allocate memory for working array(s) */
57 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
58 if( work == NULL ) {
60 goto exit_level_0;
61 }
62 /* Call middle-level interface */
63 info = LAPACKE_cpstrf_work( matrix_layout, uplo, n, a, lda, piv, rank, tol,
64 work );
65 /* Release memory and exit */
66 LAPACKE_free( work );
67exit_level_0:
68 if( info == LAPACK_WORK_MEMORY_ERROR ) {
69 LAPACKE_xerbla( "LAPACKE_cpstrf", info );
70 }
71 return info;
72}
#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_cpstrf_work(int matrix_layout, char uplo, lapack_int n, lapack_complex_float *a, lapack_int lda, lapack_int *piv, lapack_int *rank, float tol, float *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_s_nancheck(lapack_int n, const float *x, lapack_int incx)
lapack_logical LAPACKE_cpo_nancheck(int matrix_layout, char uplo, lapack_int n, const lapack_complex_float *a, lapack_int lda)
#define MAX(x, y)
Definition: lapacke_utils.h:46
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