LAPACK  3.5.0
LAPACK: Linear Algebra PACKage
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lapacke_zptcon.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_zptcon (lapack_int n, const double *d, const lapack_complex_double *e, double anorm, double *rcond)

Function/Subroutine Documentation

lapack_int LAPACKE_zptcon ( lapack_int  n,
const double *  d,
const lapack_complex_double e,
double  anorm,
double *  rcond 
)

Definition at line 36 of file lapacke_zptcon.c.

{
lapack_int info = 0;
double* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_d_nancheck( 1, &anorm, 1 ) ) {
return -4;
}
if( LAPACKE_d_nancheck( n, d, 1 ) ) {
return -2;
}
if( LAPACKE_z_nancheck( n-1, e, 1 ) ) {
return -3;
}
#endif
/* Allocate memory for working array(s) */
work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,n) );
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_zptcon_work( n, d, e, anorm, rcond, work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_zptcon", info );
}
return info;
}

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