Mercurial > gnulib
view tests/test-expm1-ieee.h @ 40236:e3496deebf30
isatty: Make it return true in Cygwin consoles on native Windows.
* lib/isatty.c: Include <string.h>.
(GetProcAddress): New macro.
(GetNamedPipeClientProcessIdFuncType): New type.
(GetNamedPipeClientProcessIdFunc): New variable.
(QueryFullProcessImageNameFuncType): New type.
(QueryFullProcessImageNameFunc): New variable.
(initialized): New variable.
(initialize): New function.
(IsCygwinConsoleHandle): New function.
(isatty): Invoke it.
* doc/posix-functions/isatty.texi: Mention the issue.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Thu, 14 Mar 2019 23:54:28 +0100 |
parents | b06060465f09 |
children |
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/* Test of expm1*() function family. Copyright (C) 2012-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ static void test_function (void) { /* [MX] shaded specification in POSIX. */ /* Underflow. */ ASSERT (EXPM1 (-100000.0) == - L_(1.0)); /* NaN. */ ASSERT (ISNAN (EXPM1 (NAN))); /* Zero. */ { DOUBLE z = EXPM1 (L_(0.0)); ASSERT (z == L_(0.0)); ASSERT (!signbit (z)); } { DOUBLE z = EXPM1 (MINUS_ZERO); ASSERT (z == L_(0.0)); ASSERT (!!signbit (z) == !!signbit (MINUS_ZERO)); } /* Infinity. */ ASSERT (EXPM1 (- INFINITY) == - L_(1.0)); ASSERT (EXPM1 (INFINITY) == INFINITY); }