LAPACKE_ssycon()

lapack_int LAPACKE_ssycon	(	int	matrix_layout,
		char	uplo,
		lapack_int	n,
		const float *	a,
		lapack_int	lda,
		const lapack_int *	ipiv,
		float	anorm,
		float *	rcond
	)

Definition at line 35 of file lapacke_ssycon.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_ssycon", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_ssy_nancheck( matrix_layout, uplo, n, a, lda ) ) {
            return -4;
        }
        if( LAPACKE_s_nancheck( 1, &anorm, 1 ) ) {
            return -7;
        }
    }
#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(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_ssycon_work( matrix_layout, uplo, n, a, lda, ipiv, anorm,
                                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_ssycon", info );
    }
    return info;

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