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//===========================================================================
//
//      w_lgamma_r.c
//
//      Part of the standard mathematical function library
//
//===========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
// -------------------------------------------                              
// This file is part of eCos, the Embedded Configurable Operating System.   
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under    
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// version.                                                                 
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// for more details.                                                        
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//
// As a special exception, if other files instantiate templates or use      
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// General Public License v2.                                               
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// on this file might be covered by the GNU General Public License.         
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// ####ECOSGPLCOPYRIGHTEND####                                              
//===========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):   jlarmour
// Contributors:  jlarmour
// Date:        1998-02-13
// Purpose:     
// Description: 
// Usage:       
//
//####DESCRIPTIONEND####
//
//===========================================================================
 
// CONFIGURATION
 
#include <pkgconf/libm.h>   // Configuration header
 
// Include the Math library?
#ifdef CYGPKG_LIBM     
 
// Derived from code with the following copyright
 
 
/* @(#)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 "mathincl/fdlibm.h"
 
 
        double lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
{
#ifdef CYGSEM_LIBM_COMPAT_IEEE_ONLY
        return __ieee754_lgamma_r(x,signgamp);
#else
        double y;
        y = __ieee754_lgamma_r(x,signgamp);
        if(cyg_libm_get_compat_mode() == CYGNUM_LIBM_COMPAT_IEEE) return y;
        if(!finite(y)&&finite(x)) {
            if(floor(x)==x&&x<=0.0)
                return __kernel_standard(x,x,15); /* lgamma pole */
            else
                return __kernel_standard(x,x,14); /* lgamma overflow */
        } else
            return y;
#endif
}             
 
#endif // ifdef CYGPKG_LIBM     
 
// EOF w_lgamma_r.c