LAPACKE_cheequb()

lapack_int LAPACKE_cheequb	(	int	matrix_layout,
		char	uplo,
		lapack_int	n,
		const lapack_complex_float *	a,
		lapack_int	lda,
		float *	s,
		float *	scond,
		float *	amax
	)

Definition at line 35 of file lapacke_cheequb.c.

{
    lapack_int info = 0;
    lapack_complex_float* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_cheequb", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_che_nancheck( matrix_layout, uplo, n, a, lda ) ) {
            return -4;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    work = (lapack_complex_float*)
        LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,3*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_cheequb_work( matrix_layout, uplo, n, a, lda, s, scond, amax,
                                 work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_cheequb", info );
    }
    return info;

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