diff options
Diffstat (limited to 'math/multc3.c')
| -rw-r--r-- | math/multc3.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/math/multc3.c b/math/multc3.c index 6369f48f24..351dccf807 100644 --- a/math/multc3.c +++ b/math/multc3.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2005, 2006, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@redhat.com>, 2005. @@ -39,28 +39,29 @@ __multc3 (long double a, long double b, long double c, long double d) { /* Recover infinities that computed as NaN + iNaN. */ bool recalc = 0; - if (isinf (a) || isinf (b)) + if (__isinf_nsl (a) || __isinf_nsl (b)) { /* z is infinite. "Box" the infinity and change NaNs in the other factor to 0. */ - a = __copysignl (isinf (a) ? 1 : 0, a); - b = __copysignl (isinf (b) ? 1 : 0, b); + a = __copysignl (__isinf_nsl (a) ? 1 : 0, a); + b = __copysignl (__isinf_nsl (b) ? 1 : 0, b); if (isnan (c)) c = __copysignl (0, c); if (isnan (d)) d = __copysignl (0, d); recalc = 1; } - if (isinf (c) || isinf (d)) + if (__isinf_nsl (c) || __isinf_nsl (d)) { /* w is infinite. "Box" the infinity and change NaNs in the other factor to 0. */ - c = __copysignl (isinf (c) ? 1 : 0, c); - d = __copysignl (isinf (d) ? 1 : 0, d); + c = __copysignl (__isinf_nsl (c) ? 1 : 0, c); + d = __copysignl (__isinf_nsl (d) ? 1 : 0, d); if (isnan (a)) a = __copysignl (0, a); if (isnan (b)) b = __copysignl (0, b); recalc = 1; } if (!recalc - && (isinf (ac) || isinf (bd) || isinf (ad) || isinf (bc))) + && (__isinf_nsl (ac) || __isinf_nsl (bd) + || __isinf_nsl (ad) || __isinf_nsl (bc))) { /* Recover infinities from overflow by changing NaNs to 0. */ if (isnan (a)) a = __copysignl (0, a); |