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| 2 | pj | 1 | /* @(#)e_gamma.c 5.1 93/09/24 */ |
| 2 | /* |
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| 3 | * ==================================================== |
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| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 5 | * |
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| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 7 | * Permission to use, copy, modify, and distribute this |
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| 8 | * software is freely granted, provided that this notice |
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| 9 | * is preserved. |
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| 10 | * ==================================================== |
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| 11 | * |
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| 12 | */ |
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| 13 | |||
| 14 | #ifndef lint |
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| 15 | static char rcsid[] = "$\Id: e_gamma.c,v 1.2 1995/05/30 05:48:12 rgrimes Exp $"; |
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| 16 | #endif |
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| 17 | |||
| 18 | /* __ieee754_gamma(x) |
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| 19 | * Return the logarithm of the Gamma function of x. |
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| 20 | * |
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| 21 | * Method: call __ieee754_gamma_r |
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| 22 | */ |
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| 23 | |||
| 24 | #include "math.h" |
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| 25 | #include "math_private.h" |
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| 26 | |||
| 27 | extern int signgam; |
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| 28 | |||
| 29 | #ifdef __STDC__ |
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| 30 | double __ieee754_gamma(double x) |
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| 31 | #else |
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| 32 | double __ieee754_gamma(x) |
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| 33 | double x; |
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| 34 | #endif |
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| 35 | { |
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| 36 | return __ieee754_gamma_r(x,&signgam); |
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| 37 | } |