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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* wf_exp2.c -- float version of w_exp2.c. |
| 2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
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| 3 | */ |
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| 4 | |||
| 5 | /* |
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| 6 | * ==================================================== |
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| 7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 8 | * |
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| 9 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 10 | * Permission to use, copy, modify, and distribute this |
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| 11 | * software is freely granted, provided that this notice |
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| 12 | * is preserved. |
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| 13 | * ==================================================== |
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| 14 | */ |
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| 15 | |||
| 16 | /* |
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| 17 | * wrapper exp2f(x) |
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| 18 | */ |
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| 19 | |||
| 20 | #include "fdlibm.h" |
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| 21 | #include |
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| 22 | #include |
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| 23 | |||
| 24 | #ifdef __STDC__ |
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| 25 | float exp2f(float x) /* wrapper exp2f */ |
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| 26 | #else |
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| 27 | float exp2f(x) /* wrapper exp2f */ |
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| 28 | float x; |
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| 29 | #endif |
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| 30 | { |
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| 31 | return powf(2.0, x); |
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| 32 | } |
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| 33 | |||
| 34 | #ifdef _DOUBLE_IS_32BITS |
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| 35 | |||
| 36 | #ifdef __STDC__ |
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| 37 | double exp2(double x) |
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| 38 | #else |
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| 39 | double exp2(x) |
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| 40 | double x; |
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| 41 | #endif |
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| 42 | { |
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| 43 | return (double) exp2f((float) x); |
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| 44 | } |
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| 45 | |||
| 46 | #endif /* defined(_DOUBLE_IS_32BITS) */ |