LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cgecon()

lapack_int LAPACKE_cgecon ( int  matrix_layout,
char  norm,
lapack_int  n,
const lapack_complex_float a,
lapack_int  lda,
float  anorm,
float *  rcond 
)

Definition at line 35 of file lapacke_cgecon.c.

38{
39 lapack_int info = 0;
40 float* rwork = NULL;
41 lapack_complex_float* work = NULL;
42 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
43 LAPACKE_xerbla( "LAPACKE_cgecon", -1 );
44 return -1;
45 }
46#ifndef LAPACK_DISABLE_NAN_CHECK
47 if( LAPACKE_get_nancheck() ) {
48 /* Optionally check input matrices for NaNs */
49 if( LAPACKE_cge_nancheck( matrix_layout, n, n, a, lda ) ) {
50 return -4;
51 }
52 if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
53 return -6;
54 }
55 }
56#endif
57 /* Allocate memory for working array(s) */
58 rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
59 if( rwork == NULL ) {
61 goto exit_level_0;
62 }
63 work = (lapack_complex_float*)
64 LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
65 if( work == NULL ) {
67 goto exit_level_1;
68 }
69 /* Call middle-level interface */
70 info = LAPACKE_cgecon_work( matrix_layout, norm, n, a, lda, anorm, rcond,
71 work, rwork );
72 /* Release memory and exit */
73 LAPACKE_free( work );
74exit_level_1:
75 LAPACKE_free( rwork );
76exit_level_0:
77 if( info == LAPACK_WORK_MEMORY_ERROR ) {
78 LAPACKE_xerbla( "LAPACKE_cgecon", info );
79 }
80 return info;
81}
#define lapack_int
Definition: lapack.h:87
#define lapack_complex_float
Definition: lapack.h:46
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
#define LAPACK_COL_MAJOR
Definition: lapacke.h:53
lapack_int LAPACKE_cgecon_work(int matrix_layout, char norm, lapack_int n, const lapack_complex_float *a, lapack_int lda, float anorm, float *rcond, lapack_complex_float *work, float *rwork)
#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_s_nancheck(lapack_int n, const float *x, lapack_int incx)
#define MAX(x, y)
Definition: lapacke_utils.h:46
lapack_logical LAPACKE_cge_nancheck(int matrix_layout, lapack_int m, lapack_int n, const lapack_complex_float *a, lapack_int lda)
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