diff options
Diffstat (limited to 'lib/libm/src/e_cosh.c')
| -rw-r--r-- | lib/libm/src/e_cosh.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libm/src/e_cosh.c b/lib/libm/src/e_cosh.c index 4d7b61bfdc9..afad33162af 100644 --- a/lib/libm/src/e_cosh.c +++ b/lib/libm/src/e_cosh.c @@ -14,7 +14,7 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $"; #endif -/* __ieee754_cosh(x) +/* cosh(x) * Method : * mathematically cosh(x) if defined to be (exp(x)+exp(-x))/2 * 1. Replace x by |x| (cosh(x) = cosh(-x)). @@ -41,7 +41,7 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $"; static const double one = 1.0, half=0.5, huge = 1.0e300; double -__ieee754_cosh(double x) +cosh(double x) { double t,w; int32_t ix; @@ -64,18 +64,18 @@ __ieee754_cosh(double x) /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */ if (ix < 0x40360000) { - t = __ieee754_exp(fabs(x)); + t = exp(fabs(x)); return half*t+half/t; } /* |x| in [22, log(maxdouble)] return half*exp(|x|) */ - if (ix < 0x40862E42) return half*__ieee754_exp(fabs(x)); + if (ix < 0x40862E42) return half*exp(fabs(x)); /* |x| in [log(maxdouble), overflowthresold] */ GET_LOW_WORD(lx,x); if (ix<0x408633CE || ((ix==0x408633ce)&&(lx<=(u_int32_t)0x8fb9f87d))) { - w = __ieee754_exp(half*fabs(x)); + w = exp(half*fabs(x)); t = half*w; return t*w; } |