lapacke_sgesvxx.c

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* Contents: Native high-level C interface to LAPACK function sgesvxx
* Author: Intel Corporation
* Generated November 2015
*****************************************************************************/

#include "lapacke_utils.h"

lapack_int LAPACKE_sgesvxx( int matrix_layout, char fact, char trans,
                            lapack_int n, lapack_int nrhs, float* a,
                            lapack_int lda, float* af, lapack_int ldaf,
                            lapack_int* ipiv, char* equed, float* r, float* c,
                            float* b, lapack_int ldb, float* x, lapack_int ldx,
                            float* rcond, float* rpvgrw, float* berr,
                            lapack_int n_err_bnds, float* err_bnds_norm,
                            float* err_bnds_comp, lapack_int nparams,
                            float* params )
{
    lapack_int info = 0;
    lapack_int* iwork = NULL;
    float* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_sgesvxx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_sge_nancheck( matrix_layout, n, n, a, lda ) ) {
        return -6;
    }
    if( LAPACKE_lsame( fact, 'f' ) ) {
        if( LAPACKE_sge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
            return -8;
        }
    }
    if( LAPACKE_sge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
        return -14;
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'c' ) ) ) {
        if( LAPACKE_s_nancheck( n, c, 1 ) ) {
            return -13;
        }
    }
    if( nparams>0 ) {
        if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
            return -25;
        }
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'r' ) ) ) {
        if( LAPACKE_s_nancheck( n, r, 1 ) ) {
            return -12;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,4*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_sgesvxx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
                                 ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
                                 rpvgrw, berr, n_err_bnds, err_bnds_norm,
                                 err_bnds_comp, nparams, params, 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_sgesvxx", info );
    }
    return info;
}