LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ LAPACKE_cptcon()

lapack_int LAPACKE_cptcon ( lapack_int  n,
const float *  d,
const lapack_complex_float e,
float  anorm,
float *  rcond 
)

Definition at line 35 of file lapacke_cptcon.c.

38{
39 lapack_int info = 0;
40 float* work = NULL;
41#ifndef LAPACK_DISABLE_NAN_CHECK
42 if( LAPACKE_get_nancheck() ) {
43 /* Optionally check input matrices for NaNs */
44 if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
45 return -4;
46 }
47 if( LAPACKE_s_nancheck( n, d, 1 ) ) {
48 return -2;
49 }
50 if( LAPACKE_c_nancheck( n-1, e, 1 ) ) {
51 return -3;
52 }
53 }
54#endif
55 /* Allocate memory for working array(s) */
56 work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
57 if( work == NULL ) {
59 goto exit_level_0;
60 }
61 /* Call middle-level interface */
62 info = LAPACKE_cptcon_work( n, d, e, anorm, rcond, work );
63 /* Release memory and exit */
64 LAPACKE_free( work );
65exit_level_0:
66 if( info == LAPACK_WORK_MEMORY_ERROR ) {
67 LAPACKE_xerbla( "LAPACKE_cptcon", info );
68 }
69 return info;
70}
#define lapack_int
Definition: lapack.h:87
#define LAPACK_WORK_MEMORY_ERROR
Definition: lapacke.h:55
lapack_int LAPACKE_cptcon_work(lapack_int n, const float *d, const lapack_complex_float *e, float anorm, float *rcond, float *work)
#define LAPACKE_free(p)
Definition: lapacke.h:46
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_c_nancheck(lapack_int n, const lapack_complex_float *x, lapack_int incx)
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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