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

lapack_int LAPACKE_strcon (int matrix_order, char norm, char uplo, char diag, lapack_int n, const float *a, lapack_int lda, float *rcond)

Function/Subroutine Documentation

lapack_int LAPACKE_strcon ( int  matrix_order,
char  norm,
char  uplo,
char  diag,
lapack_int  n,
const float *  a,
lapack_int  lda,
float *  rcond 
)

Definition at line 36 of file lapacke_strcon.c.

{
lapack_int info = 0;
lapack_int* iwork = NULL;
float* work = NULL;
if( matrix_order != LAPACK_COL_MAJOR && matrix_order != LAPACK_ROW_MAJOR ) {
LAPACKE_xerbla( "LAPACKE_strcon", -1 );
return -1;
}
#ifndef LAPACK_DISABLE_NAN_CHECK
/* Optionally check input matrices for NaNs */
if( LAPACKE_str_nancheck( matrix_order, uplo, diag, n, a, lda ) ) {
return -6;
}
#endif
/* Allocate memory for working array(s) */
iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
if( iwork == NULL ) {
goto exit_level_0;
}
work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
if( work == NULL ) {
goto exit_level_1;
}
/* Call middle-level interface */
info = LAPACKE_strcon_work( matrix_order, norm, uplo, diag, n, a, lda,
rcond, work, iwork );
/* Release memory and exit */
LAPACKE_free( work );
exit_level_1:
LAPACKE_free( iwork );
exit_level_0:
if( info == LAPACK_WORK_MEMORY_ERROR ) {
LAPACKE_xerbla( "LAPACKE_strcon", info );
}
return info;
}

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