/* * SpanDSP - a series of DSP components for telephony * * floating_fudge.h - A bunch of shims, to use double maths * functions on platforms which lack the * float versions with an 'f' at the end, * and to deal with the vaguaries of lrint(). * * Written by Steve Underwood * * Copyright (C) 2008 Steve Underwood * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #if !defined(_FLOATING_FUDGE_H_) #define _FLOATING_FUDGE_H_ #if defined(__cplusplus) extern "C" { #endif #if !defined(HAVE_SINF) static __inline__ float sinf(float x) { return (float) sin((double) x); } #endif #if !defined(HAVE_COSF) static __inline__ float cosf(float x) { return (float) cos((double) x); } #endif #if !defined(HAVE_TANF) static __inline__ float tanf(float x) { return (float) tan((double) x); } #endif #if !defined(HAVE_ASINF) static __inline__ float asinf(float x) { return (float) asin((double) x); } #endif #if !defined(HAVE_ACOSF) static __inline__ float acosf(float x) { return (float) acos((double) x); } #endif #if !defined(HAVE_ATANF) static __inline__ float atanf(float x) { return (float) atan((double) x); } #endif #if !defined(HAVE_ATAN2F) static __inline__ float atan2f(float y, float x) { return (float) atan2((double) y, (double) x); } #endif #if !defined(HAVE_CEILF) static __inline__ float ceilf(float x) { return (float) ceil((double) x); } #endif #if !defined(HAVE_FLOORF) static __inline__ float floorf(float x) { return (float) floor((double) x); } #endif #if !defined(HAVE_POWF) static __inline__ float powf(float x, float y) { return (float) pow((double) x, (double) y); } #endif #if !defined(HAVE_EXPF) static __inline__ float expf(float x) { return (float) expf((double) x); } #endif #if !defined(HAVE_LOGF) static __inline__ float logf(float x) { return (float) logf((double) x); } #endif #if !defined(HAVE_LOG10F) static __inline__ float log10f(float x) { return (float) log10((double) x); } #endif #if defined(__cplusplus) } #endif #endif /*- End of file ------------------------------------------------------------*/