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

lapack_int LAPACKE_cgbcon (int matrix_order, char norm, lapack_int n, lapack_int kl, lapack_int ku, const lapack_complex_float *ab, lapack_int ldab, const lapack_int *ipiv, float anorm, float *rcond)

Function/Subroutine Documentation

lapack_int LAPACKE_cgbcon ( int  matrix_order,
char  norm,
lapack_int  n,
lapack_int  kl,
lapack_int  ku,
const lapack_complex_float ab,
lapack_int  ldab,
const lapack_int ipiv,
float  anorm,
float *  rcond 
)

Definition at line 36 of file lapacke_cgbcon.c.

{
lapack_int info = 0;
float* rwork = NULL;
lapack_complex_float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_cgbcon", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_cgb_nancheck( matrix_order, n, n, kl, kl+ku, ab, ldab ) ) {
return -6;
}
if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
return -9;
}
#endif
/* Allocate memory for working array(s) */
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
if( rwork == NULL ) {
goto exit_level_0;
}
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_cgbcon_work( matrix_order, norm, n, kl, ku, ab, ldab, ipiv,
anorm, rcond, work, rwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( rwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_cgbcon", info );
}
return info;
}

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