diff options
Diffstat (limited to 'sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c b/sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c index 84593521cc..fca80b13f9 100644 --- a/sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c +++ b/sysdeps/ieee754/dbl-64/wordsize-64/e_cosh.c @@ -50,9 +50,10 @@ __ieee754_cosh (double x) if (ix < 0x40360000) { /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */ if(ix<0x3fd62e43) { + if (ix<0x3c800000) /* cosh(tiny) = 1 */ + return one; t = __expm1(fabs(x)); w = one+t; - if (ix<0x3c800000) return w; /* cosh(tiny) = 1 */ return one+(t*t)/(w+w); } |