log10f.c
来自「sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu」· C语言 代码 · 共 32 行
C
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/* log10f.c: Computes the base 10 log of a 32 bit float. Copyright (C) 2001, 2002 Jesus Calvino-Fraga, jesusc@ieee.org This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *//* Version 1.0 - Initial release *//*** $Id: log10f.c 3654 2005-01-24 10:38:53Z vrokas $*/#include <math.h>#include <errno.h>float log10f(const float x) _MATH_REENTRANT{ return logf(x)*0.4342944819;}
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