lapacke_sptsvx.c File Reference

#include "lapacke_utils.h"

Go to the source code of this file.

Functions
lapack_int	LAPACKE_sptsvx (int matrix_layout, char fact, lapack_int n, lapack_int nrhs, const float *d, const float *e, float *df, float *ef, const float *b, lapack_int ldb, float *x, lapack_int ldx, float *rcond, float *ferr, float *berr)

Function Documentation

LAPACKE_sptsvx()

lapack_int LAPACKE_sptsvx	(	int	matrix_layout,
		char	fact,
		lapack_int	n,
		lapack_int	nrhs,
		const float *	d,
		const float *	e,
		float *	df,
		float *	ef,
		const float *	b,
		lapack_int	ldb,
		float *	x,
		lapack_int	ldx,
		float *	rcond,
		float *	ferr,
		float *	berr )

Definition at line 35 of file lapacke_sptsvx.c.

{
    lapack_int info = 0;
    float* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_sptsvx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
            return -9;
        }
        if( LAPACKE_s_nancheck( n, d, 1 ) ) {
            return -5;
        }
        if( LAPACKE_lsame( fact, 'f' ) ) {
            if( LAPACKE_s_nancheck( n, df, 1 ) ) {
                return -7;
            }
        }
        if( LAPACKE_s_nancheck( n-1, e, 1 ) ) {
            return -6;
        }
        if( LAPACKE_lsame( fact, 'f' ) ) {
            if( LAPACKE_s_nancheck( n-1, ef, 1 ) ) {
                return -8;
            }
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_sptsvx_work( matrix_layout, fact, n, nrhs, d, e, df, ef, b,
                                ldb, x, ldx, rcond, ferr, berr, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_sptsvx", info );
    }
    return info;
}