diff options
Diffstat (limited to 'lib/msun/src/e_sinh.c')
| -rw-r--r-- | lib/msun/src/e_sinh.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/lib/msun/src/e_sinh.c b/lib/msun/src/e_sinh.c index afb8e43..17442d0 100644 --- a/lib/msun/src/e_sinh.c +++ b/lib/msun/src/e_sinh.c @@ -40,9 +40,8 @@ static const double one = 1.0, shuge = 1.0e307; double __ieee754_sinh(double x) { - double t,w,h; + double t,h; int32_t ix,jx; - u_int32_t lx; /* High word of |x|. */ GET_HIGH_WORD(jx,x); @@ -66,12 +65,8 @@ __ieee754_sinh(double x) if (ix < 0x40862E42) return h*__ieee754_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(0.5*fabs(x)); - t = h*w; - return t*w; - } + if (ix<=0x408633CE) + return h*2.0*__ldexp_exp(fabs(x), -1); /* |x| > overflowthresold, sinh(x) overflow */ return x*shuge; |
