4 // Copyright (c) 2002 Intel Corporation
5 // All rights reserved.
7 // Contributed 2002 by the Intel Numerics Group, Intel Corporation
9 // Redistribution and use in source and binary forms, with or without
10 // modification, are permitted provided that the following conditions are
13 // * Redistributions of source code must retain the above copyright
14 // notice, this list of conditions and the following disclaimer.
16 // * Redistributions in binary form must reproduce the above copyright
17 // notice, this list of conditions and the following disclaimer in the
18 // documentation and/or other materials provided with the distribution.
20 // * The name of Intel Corporation may not be used to endorse or promote
21 // products derived from this software without specific prior written
25 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS
29 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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32 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
33 // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING
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35 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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38 // problem reports or change requests be submitted to it directly at
39 // http://www.intel.com/software/products/opensource/libraries/num.htm.
44 //==============================================================
45 // 02/04/02: Initial version
46 // 02/22/02: Removed lgammaf/gammaf
49 // FUNCTIONS: double lgamma(double x)
50 // double gamma(double x)
51 // Natural logarithm of GAMMA function
54 #include "libm_support.h"
57 #include <math_private.h>
59 #include <lgamma-compat.h>
61 extern double __libm_lgamma(double /*x*/, int* /*signgam*/, int /*signgamsz*/);
64 double LGFUNC (lgamma
) (double x
)
66 return CALL_LGAMMA (double, __libm_lgamma
, x
);
69 compat_symbol (libm
, __lgamma_compat
, lgamma
, LGAMMA_OLD_VER
);
71 versioned_symbol (libm
, __ieee754_lgamma
, lgamma
, LGAMMA_NEW_VER
);
74 strong_alias (LGFUNC (lgamma
), __ieee754_gamma
)
75 weak_alias (__ieee754_gamma
, gamma
)