1 /* file: lgammal.c */
2
3
4 // Copyright (c) 2002 Intel Corporation
5 // All rights reserved.
6 //
7 //
8 // Redistribution and use in source and binary forms, with or without
9 // modification, are permitted provided that the following conditions are
10 // met:
11 //
12 // * Redistributions of source code must retain the above copyright
13 // notice, this list of conditions and the following disclaimer.
14 //
15 // * Redistributions in binary form must reproduce the above copyright
16 // notice, this list of conditions and the following disclaimer in the
17 // documentation and/or other materials provided with the distribution.
18 //
19 // * The name of Intel Corporation may not be used to endorse or promote
20 // products derived from this software without specific prior written
21 // permission.
22
23 //
24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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28 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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33 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 //
36 // Intel Corporation is the author of this code, and requests that all
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38 // http://www.intel.com/software/products/opensource/libraries/num.htm.
39 //
40 //
41
42 // History
43 //==============================================================
44 // 08/15/02: Initial version
45 //
46 /*
47 // FUNCTIONS: long double lgammal(long double x)
48 // long double gammal(long double x)
49 // Natural logarithm of GAMMA function
50 */
51
52 #include "libm_support.h"
53
54 #include <math.h>
55 #include <math_private.h>
56
57 #include <lgamma-compat.h>
58
59 extern double __libm_lgammal(long double /*x*/, int* /*signgam*/, int /*signgamsz*/);
60
61 #if BUILD_LGAMMA
LGFUNC(lgammal)62 long double LGFUNC (lgammal) (long double x)
63 {
64 return CALL_LGAMMA (long double, __libm_lgammal, x);
65 }
66 # if USE_AS_COMPAT
67 compat_symbol (libm, __lgammal_compat, lgammal, LGAMMA_OLD_VER);
68 # else
69 versioned_symbol (libm, __ieee754_lgammal, lgammal, LGAMMA_NEW_VER);
70 libm_alias_ldouble_other (__ieee754_lgamma, lgamma)
71 # endif
72 # if GAMMA_ALIAS
73 strong_alias (LGFUNC (lgammal), __ieee754_gammal)
74 weak_alias (__ieee754_gammal, gammal)
75 # endif
76 #endif
77