diff options
Diffstat (limited to 'libm/s_asinh.c')
| -rw-r--r-- | libm/s_asinh.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/libm/s_asinh.c b/libm/s_asinh.c index 6cad188ca..e9e3b9302 100644 --- a/libm/s_asinh.c +++ b/libm/s_asinh.c @@ -5,7 +5,7 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ @@ -16,26 +16,26 @@ static char rcsid[] = "$NetBSD: s_asinh.c,v 1.9 1995/05/12 04:57:37 jtc Exp $"; /* asinh(x) * Method : - * Based on + * Based on * asinh(x) = sign(x) * log [ |x| + sqrt(x*x+1) ] * we have * asinh(x) := x if 1+x*x=1, * := sign(x)*(log(x)+ln2)) for large |x|, else * := sign(x)*log(2|x|+1/(|x|+sqrt(x*x+1))) if|x|>2, else - * := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2))) + * := sign(x)*log1p(|x| + x^2/(1 + sqrt(1+x^2))) */ #include "math.h" #include "math_private.h" #ifdef __STDC__ -static const double +static const double #else -static double +static double #endif one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */ ln2 = 6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */ -huge= 1.00000000000000000000e+300; +huge= 1.00000000000000000000e+300; #ifdef __STDC__ double asinh(double x) @@ -43,7 +43,7 @@ huge= 1.00000000000000000000e+300; double asinh(x) double x; #endif -{ +{ double t,w; int32_t hx,ix; GET_HIGH_WORD(hx,x); @@ -51,7 +51,7 @@ huge= 1.00000000000000000000e+300; if(ix>=0x7ff00000) return x+x; /* x is inf or NaN */ if(ix< 0x3e300000) { /* |x|<2**-28 */ if(huge+x>one) return x; /* return x inexact except 0 */ - } + } if(ix>0x41b00000) { /* |x| > 2**28 */ w = __ieee754_log(fabs(x))+ln2; } else if (ix>0x40000000) { /* 2**28 > |x| > 2.0 */ |