lapack_int LAPACKE_sspgvx	(	int	matrix_layout,
		lapack_int	itype,
		char	jobz,
		char	range,
		char	uplo,
		lapack_int	n,
		float *	ap,
		float *	bp,
		float	vl,
		float	vu,
		lapack_int	il,
		lapack_int	iu,
		float	abstol,
		lapack_int *	m,
		float *	w,
		float *	z,
		lapack_int	ldz,
		lapack_int *	ifail
	)

Definition at line 36 of file lapacke_sspgvx.c.

{
    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_sspgvx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_s_nancheck( 1, &abstol, 1 ) ) {
        return -13;
    }
    if( LAPACKE_ssp_nancheck( n, ap ) ) {
        return -7;
    }
    if( LAPACKE_ssp_nancheck( n, bp ) ) {
        return -8;
    }
    if( LAPACKE_lsame( range, 'v' ) ) {
        if( LAPACKE_s_nancheck( 1, &vl, 1 ) ) {
            return -9;
        }
    }
    if( LAPACKE_lsame( range, 'v' ) ) {
        if( LAPACKE_s_nancheck( 1, &vu, 1 ) ) {
            return -10;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * MAX(1,5*n) );
    if( iwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,8*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_sspgvx_work( matrix_layout, itype, jobz, range, uplo, n, ap,
                                bp, vl, vu, il, iu, abstol, m, w, z, ldz, work,
                                iwork, ifail );
    /* 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_sspgvx", info );
    }
    return info;
}

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