/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code, released
 * March 31, 1998.
 *
 * The Initial Developer of the Original Code is
 * Sun Microsystems, Inc.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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/* @(#)w_lgamma_r.c 1.3 95/01/18 */
/*
 * ====================================================
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
 *
 * Developed at SunSoft, a Sun Microsystems, Inc. business.
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice 
 * is preserved.
 * ====================================================
 */

/* 
 * wrapper double lgamma_r(double x, int *signgamp)
 */

#include "fdlibm.h"


#ifdef __STDC__
	double fd_lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
#else
	double fd_lgamma_r(x,signgamp)              /* wrapper lgamma_r */
        double x; int *signgamp;
#endif
{
#ifdef _IEEE_LIBM
	return __ieee754_lgamma_r(x,signgamp);
#else
        double y;
        y = __ieee754_lgamma_r(x,signgamp);
        if(_LIB_VERSION == _IEEE_) return y;
        if(!fd_finite(y)&&fd_finite(x)) {
            int err;
            if(fd_floor(x)==x&&x<=0.0)
                return __kernel_standard(x,x,15,&err); /* lgamma pole */
            else
                return __kernel_standard(x,x,14,&err); /* lgamma overflow */
        } else
            return y;
#endif
}