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49114fd43d
This updates Gnulib to v0.0-4889-ge375fe3. * m4/gnulib-cache.m4: Add `accept', `bind', `close', `connect', `getpeername', `getsockname', `getsockopt', `listen', `malloc', `malloca', `recv', `recvfrom', `send', `sendto', `setsockopt', `shutdown', `socket', and `sockets', requested by Jan Nieuwenhuizen <janneke-list@xs4all.nl> for cross-MinGW32 builds. Add `trunc', requested by Mark H Weaver <mhw@netris.org>.
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* Test for positive or negative infinity.
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Copyright (C) 2007-2011 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Ben Pfaff <blp@gnu.org>, 2008. */
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#include <config.h>
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#include <float.h>
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int gl_isinff (float x)
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{
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return x < -FLT_MAX || x > FLT_MAX;
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}
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int gl_isinfd (double x)
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{
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return x < -DBL_MAX || x > DBL_MAX;
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}
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int gl_isinfl (long double x)
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{
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return x < -LDBL_MAX || x > LDBL_MAX;
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}
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