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| author | Danny Smith <dannysmith@users.sourceforge.net> | 2003-05-21 00:51:24 +0000 |
|---|---|---|
| committer | Danny Smith <dannysmith@gcc.gnu.org> | 2003-05-21 00:51:24 +0000 |
| commit | 93c858e31ac4de363f6196c909331f1141b43c05 (patch) | |
| tree | a6b1c2be1ef14319f9648004696ee011b0addc18 | |
| parent | c1625e69f775b74a51105b936d11aa2a0ca580fc (diff) | |
| download | gcc-93c858e31ac4de363f6196c909331f1141b43c05.zip gcc-93c858e31ac4de363f6196c909331f1141b43c05.tar.gz gcc-93c858e31ac4de363f6196c909331f1141b43c05.tar.bz2 | |
stubs.c (hypot, [...]): Don't divide by zero.
* libmath/stubs.c (hypot, hypotf, hypotl): Don't divide by
zero.
Update copyright year.
From-SVN: r67051
| -rw-r--r-- | libstdc++-v3/ChangeLog | 6 | ||||
| -rw-r--r-- | libstdc++-v3/libmath/stubs.c | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 356a299..8ff83f7 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2003-05-21 Danny Smith <dannysmith@users.sourceforge.net> + + * libmath/stubs.c (hypot, hypotf, hypotl): Don't divide by + zero. + Update copyright year. + 2003-05-20 Paolo Carlini <pcarlini@unitus.it> * testsuite/27_io/basic_filebuf/close/char/4.cc: Fix typo. diff --git a/libstdc++-v3/libmath/stubs.c b/libstdc++-v3/libmath/stubs.c index 586fd6d..1968bff 100644 --- a/libstdc++-v3/libmath/stubs.c +++ b/libstdc++-v3/libmath/stubs.c @@ -1,6 +1,6 @@ /* Stub definitions for libmath subpart of libstdc++. */ -/* Copyright (C) 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU ISO C++ Library. This library is free software; you can redistribute it and/or modify it under the @@ -108,6 +108,8 @@ float hypotf(float x, float y) { float s = fabsf(x) + fabsf(y); + if (s == 0.0F) + return s; x /= s; y /= s; return s * sqrtf(x * x + y * y); } @@ -118,6 +120,8 @@ double hypot(double x, double y) { double s = fabs(x) + fabs(y); + if (s == 0.0) + return s; x /= s; y /= s; return s * sqrt(x * x + y * y); } @@ -128,6 +132,8 @@ long double hypotl(long double x, long double y) { long double s = fabsl(x) + fabsl(y); + if (s == 0.0L) + return s; x /= s; y /= s; return s * sqrtl(x * x + y * y); } |