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

lapack_int LAPACKE_cgtcon (char norm, lapack_int n, const lapack_complex_float *dl, const lapack_complex_float *d, const lapack_complex_float *du, const lapack_complex_float *du2, const lapack_int *ipiv, float anorm, float *rcond)

Function/Subroutine Documentation

lapack_int LAPACKE_cgtcon ( char  norm,
lapack_int  n,
const lapack_complex_float dl,
const lapack_complex_float d,
const lapack_complex_float du,
const lapack_complex_float du2,
const lapack_int ipiv,
float  anorm,
float *  rcond 
)

Definition at line 36 of file lapacke_cgtcon.c.

{
lapack_int info = 0;
lapack_complex_float* work = NULL;
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
return -8;
}
if( LAPACKE_c_nancheck( n, d, 1 ) ) {
return -4;
}
if( LAPACKE_c_nancheck( n-1, dl, 1 ) ) {
return -3;
}
if( LAPACKE_c_nancheck( n-1, du, 1 ) ) {
return -5;
}
if( LAPACKE_c_nancheck( n-2, du2, 1 ) ) {
return -6;
}
#endif
/* Allocate memory for working array(s) */
if( work == NULL ) {
goto exit_level_0;
}
/* Call middle-level interface */
info = LAPACKE_cgtcon_work( norm, n, dl, d, du, du2, ipiv, anorm, rcond,
work );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cgtcon", info );
}
return info;
}

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