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

lapack_int LAPACKE_ctbcon (int matrix_order, char norm, char uplo, char diag, lapack_int n, lapack_int kd, const lapack_complex_float *ab, lapack_int ldab, float *rcond)

Function/Subroutine Documentation

lapack_int LAPACKE_ctbcon ( int  matrix_order,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
lapack_int  kd,
const lapack_complex_float ab,
lapack_int  ldab,
float *  rcond 
)

Definition at line 36 of file lapacke_ctbcon.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_ctbcon", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_ctb_nancheck( matrix_order, uplo, diag, n, kd, ab, ldab ) ) {
return -7;
}
#endif
/* Allocate memory for working array(s) */
rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,n) );
if( rwork == NULL ) {
goto exit_level_0;
}
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_ctbcon_work( matrix_order, norm, uplo, diag, n, kd, ab, ldab,
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_ctbcon", info );
}
return info;
}

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