/* @(#)s_exp10.c 5.1 93/09/24 */ /* Modified from s_exp2.c by Yaakov Selkowitz 2007. */ /* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* FUNCTION <>, <>---exponential, base 10 INDEX exp10 INDEX exp10f SYNOPSIS #include double exp10(double <[x]>); float exp10f(float <[x]>); DESCRIPTION <> and <> calculate 10 ^ <[x]>, that is, @ifnottex 10 raised to the power <[x]>. @end ifnottex @tex $10^x$ @end tex RETURNS On success, <> and <> return the calculated value. If the result underflows, the returned value is <<0>>. If the result overflows, the returned value is <>. In either case, <> is set to <>. PORTABILITY <> and <> are GNU extensions. */ /* * wrapper exp10(x) */ #undef exp10 #include "fdlibm.h" #include #include #ifndef _DOUBLE_IS_32BITS #ifdef __STDC__ double exp10(double x) /* wrapper exp10 */ #else double exp10(x) /* wrapper exp10 */ double x; #endif { return pow(10.0, x); } #endif /* defined(_DOUBLE_IS_32BITS) */