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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */ |
| 2 | /* w_j0f.c -- float version of w_j0.c. |
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| 3 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
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| 4 | */ |
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| 5 | |||
| 6 | /* |
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| 7 | * ==================================================== |
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| 8 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 9 | * |
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| 10 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 11 | * Permission to use, copy, modify, and distribute this |
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| 12 | * software is freely granted, provided that this notice |
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| 13 | * is preserved. |
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| 14 | * ==================================================== |
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| 15 | */ |
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| 16 | |||
| 17 | #if defined(LIBM_SCCS) && !defined(lint) |
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| 18 | static char rcsid[] = "$Id: w_j0f.c,v 1.1 1994/08/10 20:34:32 jtc Exp $"; |
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| 19 | #endif |
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| 20 | |||
| 21 | /* |
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| 22 | * wrapper j0f(float x), y0f(float x) |
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| 23 | */ |
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| 24 | |||
| 25 | #include "math.h" |
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| 26 | #include "math_private.h" |
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| 27 | |||
| 28 | #ifdef __STDC__ |
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| 29 | float j0f(float x) /* wrapper j0f */ |
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| 30 | #else |
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| 31 | float j0f(x) /* wrapper j0f */ |
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| 32 | float x; |
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| 33 | #endif |
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| 34 | { |
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| 35 | #ifdef _IEEE_LIBM |
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| 36 | return __ieee754_j0f(x); |
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| 37 | #else |
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| 38 | float z = __ieee754_j0f(x); |
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| 39 | if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z; |
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| 40 | if(fabsf(x)>(float)X_TLOSS) { |
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| 41 | /* j0f(|x|>X_TLOSS) */ |
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| 42 | return (float)__kernel_standard((double)x,(double)x,134); |
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| 43 | } else |
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| 44 | return z; |
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| 45 | #endif |
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| 46 | } |
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| 47 | |||
| 48 | #ifdef __STDC__ |
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| 49 | float y0f(float x) /* wrapper y0f */ |
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| 50 | #else |
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| 51 | float y0f(x) /* wrapper y0f */ |
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| 52 | float x; |
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| 53 | #endif |
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| 54 | { |
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| 55 | #ifdef _IEEE_LIBM |
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| 56 | return __ieee754_y0f(x); |
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| 57 | #else |
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| 58 | float z; |
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| 59 | z = __ieee754_y0f(x); |
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| 60 | if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; |
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| 61 | if(x <= (float)0.0){ |
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| 62 | if(x==(float)0.0) |
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| 63 | /* d= -one/(x-x); */ |
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| 64 | return (float)__kernel_standard((double)x,(double)x,108); |
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| 65 | else |
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| 66 | /* d = zero/(x-x); */ |
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| 67 | return (float)__kernel_standard((double)x,(double)x,109); |
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| 68 | } |
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| 69 | if(x>(float)X_TLOSS) { |
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| 70 | /* y0(x>X_TLOSS) */ |
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| 71 | return (float)__kernel_standard((double)x,(double)x,135); |
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| 72 | } else |
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| 73 | return z; |
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| 74 | #endif |
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| 75 | } |