Mercurial > hg > audiostuff
comparison spandsp-0.0.6pre17/src/floating_fudge.h @ 4:26cd8f1ef0b1
import spandsp-0.0.6pre17
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
|---|---|
| date | Fri, 25 Jun 2010 15:50:58 +0200 |
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| 3:c6c5a16ce2f2 | 4:26cd8f1ef0b1 |
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| 1 /* | |
| 2 * SpanDSP - a series of DSP components for telephony | |
| 3 * | |
| 4 * floating_fudge.h - A bunch of shims, to use double maths | |
| 5 * functions on platforms which lack the | |
| 6 * float versions with an 'f' at the end, | |
| 7 * and to deal with the vaguaries of lrint(). | |
| 8 * | |
| 9 * Written by Steve Underwood <steveu@coppice.org> | |
| 10 * | |
| 11 * Copyright (C) 2008 Steve Underwood | |
| 12 * | |
| 13 * All rights reserved. | |
| 14 * | |
| 15 * This program is free software; you can redistribute it and/or modify | |
| 16 * it under the terms of the GNU Lesser General Public License version 2.1, | |
| 17 * as published by the Free Software Foundation. | |
| 18 * | |
| 19 * This program is distributed in the hope that it will be useful, | |
| 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 * GNU Lesser General Public License for more details. | |
| 23 * | |
| 24 * You should have received a copy of the GNU Lesser General Public | |
| 25 * License along with this program; if not, write to the Free Software | |
| 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 27 * | |
| 28 * $Id: floating_fudge.h,v 1.7 2009/02/03 16:28:39 steveu Exp $ | |
| 29 */ | |
| 30 | |
| 31 #if !defined(_FLOATING_FUDGE_H_) | |
| 32 #define _FLOATING_FUDGE_H_ | |
| 33 | |
| 34 #if defined(__cplusplus) | |
| 35 extern "C" | |
| 36 { | |
| 37 #endif | |
| 38 | |
| 39 #if !defined(HAVE_SINF) | |
| 40 static __inline__ float sinf(float x) | |
| 41 { | |
| 42 return (float) sin((double) x); | |
| 43 } | |
| 44 #endif | |
| 45 | |
| 46 #if !defined(HAVE_COSF) | |
| 47 static __inline__ float cosf(float x) | |
| 48 { | |
| 49 return (float) cos((double) x); | |
| 50 } | |
| 51 #endif | |
| 52 | |
| 53 #if !defined(HAVE_TANF) | |
| 54 static __inline__ float tanf(float x) | |
| 55 { | |
| 56 return (float) tan((double) x); | |
| 57 } | |
| 58 #endif | |
| 59 | |
| 60 #if !defined(HAVE_ASINF) | |
| 61 static __inline__ float asinf(float x) | |
| 62 { | |
| 63 return (float) asin((double) x); | |
| 64 } | |
| 65 #endif | |
| 66 | |
| 67 #if !defined(HAVE_ACOSF) | |
| 68 static __inline__ float acosf(float x) | |
| 69 { | |
| 70 return (float) acos((double) x); | |
| 71 } | |
| 72 #endif | |
| 73 | |
| 74 #if !defined(HAVE_ATANF) | |
| 75 static __inline__ float atanf(float x) | |
| 76 { | |
| 77 return (float) atan((double) x); | |
| 78 } | |
| 79 | |
| 80 #endif | |
| 81 | |
| 82 #if !defined(HAVE_ATAN2F) | |
| 83 static __inline__ float atan2f(float y, float x) | |
| 84 { | |
| 85 return (float) atan2((double) y, (double) x); | |
| 86 } | |
| 87 | |
| 88 #endif | |
| 89 | |
| 90 #if !defined(HAVE_CEILF) | |
| 91 static __inline__ float ceilf(float x) | |
| 92 { | |
| 93 return (float) ceil((double) x); | |
| 94 } | |
| 95 #endif | |
| 96 | |
| 97 #if !defined(HAVE_FLOORF) | |
| 98 static __inline__ float floorf(float x) | |
| 99 { | |
| 100 return (float) floor((double) x); | |
| 101 } | |
| 102 | |
| 103 #endif | |
| 104 | |
| 105 #if !defined(HAVE_POWF) | |
| 106 static __inline__ float powf(float x, float y) | |
| 107 { | |
| 108 return (float) pow((double) x, (double) y); | |
| 109 } | |
| 110 #endif | |
| 111 | |
| 112 #if !defined(HAVE_EXPF) | |
| 113 static __inline__ float expf(float x) | |
| 114 { | |
| 115 return (float) expf((double) x); | |
| 116 } | |
| 117 #endif | |
| 118 | |
| 119 #if !defined(HAVE_LOGF) | |
| 120 static __inline__ float logf(float x) | |
| 121 { | |
| 122 return (float) logf((double) x); | |
| 123 } | |
| 124 #endif | |
| 125 | |
| 126 #if !defined(HAVE_LOG10F) | |
| 127 static __inline__ float log10f(float x) | |
| 128 { | |
| 129 return (float) log10((double) x); | |
| 130 } | |
| 131 #endif | |
| 132 | |
| 133 #if defined(__cplusplus) | |
| 134 } | |
| 135 #endif | |
| 136 | |
| 137 #endif | |
| 138 | |
| 139 /*- End of file ------------------------------------------------------------*/ |