diff options
Diffstat (limited to 'src/math/atanhl.c')
| -rw-r--r-- | src/math/atanhl.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/math/atanhl.c b/src/math/atanhl.c index af0f856d..931bae32 100644 --- a/src/math/atanhl.c +++ b/src/math/atanhl.c @@ -34,7 +34,7 @@ long double atanhl(long double x) return atanh(x); } #elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 -static const long double zero = 0.0, one = 1.0, huge = 1e4900L; +static const long double huge = 1e4900L; long double atanhl(long double x) { @@ -48,15 +48,15 @@ long double atanhl(long double x) /* |x| > 1 */ return (x-x)/(x-x); if (ix == 0x3fff) - return x/zero; - if (ix < 0x3fe3 && huge+x > zero) /* x < 2**-28 */ + return x/0.0; + if (ix < 0x3fe3 && huge+x > 0.0) /* x < 2**-28 */ return x; SET_LDOUBLE_EXP(x, ix); if (ix < 0x3ffe) { /* x < 0.5 */ t = x + x; - t = 0.5*log1pl(t + t*x/(one-x)); + t = 0.5*log1pl(t + t*x/(1.0 - x)); } else - t = 0.5*log1pl((x + x)/(one - x)); + t = 0.5*log1pl((x + x)/(1.0 - x)); if (se <= 0x7fff) return t; return -t; |