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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 | } |