LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_sppcon()

lapack_int LAPACKE_sppcon ( int  matrix_layout,
char  uplo,
lapack_int  n,
const float *  ap,
float  anorm,
float *  rcond 
)

Definition at line 35 of file lapacke_sppcon.c.

37{
38 lapack_int info = 0;
39 lapack_int* iwork = NULL;
40 float* work = NULL;
41 if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
42 LAPACKE_xerbla( "LAPACKE_sppcon", -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_s_nancheck( 1, &anorm, 1 ) ) {
49 return -5;
50 }
51 if( LAPACKE_spp_nancheck( n, ap ) ) {
52 return -4;
53 }
54 }
55#endif
56 /* Allocate memory for working array(s) */
57 iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
58 if( iwork == NULL ) {
60 goto exit_level_0;
61 }
62 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
63 if( work == NULL ) {
65 goto exit_level_1;
66 }
67 /* Call middle-level interface */
68 info = LAPACKE_sppcon_work( matrix_layout, uplo, n, ap, anorm, rcond, work,
69 iwork );
70 /* Release memory and exit */
71 LAPACKE_free( work );
72exit_level_1:
73 LAPACKE_free( iwork );
74exit_level_0:
75 if( info == LAPACK_WORK_MEMORY_ERROR ) {
76 LAPACKE_xerbla( "LAPACKE_sppcon", info );
77 }
78 return info;
79}
#define lapack_int
Definition: lapack.h:87
lapack_int LAPACKE_sppcon_work(int matrix_layout, char uplo, lapack_int n, const float *ap, float anorm, float *rcond, float *work, lapack_int *iwork)
#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
int LAPACKE_get_nancheck(void)
#define LAPACKE_malloc(size)
Definition: lapacke.h:43
lapack_logical LAPACKE_spp_nancheck(lapack_int n, const float *ap)
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
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