diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c index 96845fe5f8..28b208883d 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c @@ -1,7 +1,7 @@ /* * IBM Accurate Mathematical Library * written by International Business Machines Corp. - * Copyright (C) 2001-2016 Free Software Foundation, Inc. + * Copyright (C) 2001-2018 Free Software Foundation, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by @@ -91,11 +91,9 @@ long double __ieee754_sqrtl(long double x) return c.x * i; } else { - if (k>=INT64_C(0x7ff0000000000000)) { - if (a.i[0] == INT64_C(0xfff0000000000000)) - return (big1-big1)/(big-big); /* sqrt (-Inf) = NaN. */ - return x; /* sqrt (NaN) = NaN, sqrt (+Inf) = +Inf. */ - } + if (k>=INT64_C(0x7ff0000000000000)) + /* sqrt (-Inf) = NaN, sqrt (NaN) = NaN, sqrt (+Inf) = +Inf. */ + return x * x + x; if (x == 0) return x; if (x < 0) return (big1-big1)/(big-big); return tm256*__ieee754_sqrtl(x*t512); |