/contrib/groff/src/libs/libgroff/hypot.cpp
https://bitbucket.org/freebsd/freebsd-head/ · C++ · 40 lines · 16 code · 6 blank · 18 comment · 3 complexity · 6e94ea6e83d711c44791d8ef3a3cc0bb MD5 · raw file
- /* Copyright (C) 2005 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #include <math.h>
- #ifdef NEED_DECLARATION_HYPOT
- double hypot(double, double);
- #endif /* NEED_DECLARATION_HYPOT */
-
- double groff_hypot(double x, double y)
- {
- double result = hypot(x, y);
- #ifdef __INTERIX
- /* hypot() on Interix is broken */
- if (isnan(result) && !isnan(x) && !isnan(y))
- return 0.0;
- #endif
- return result;
- }