Mercurial > gnulib
view tests/test-expm1l.c @ 40186:8964917f9574
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author | Karl Berry <karl@freefriends.org> |
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date | Mon, 18 Feb 2019 08:02:49 -0800 |
parents | b06060465f09 |
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/* Test of expm1l() function. Copyright (C) 2010-2019 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/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2010. */ #include <config.h> #include <math.h> #include "signature.h" SIGNATURE_CHECK (expm1l, long double, (long double)); #include <float.h> #include "fpucw.h" #include "macros.h" #define DOUBLE long double #define L_(literal) literal##L #define MANT_DIG LDBL_MANT_DIG #define MIN_EXP LDBL_MIN_EXP #define EXPM1 expm1l #define RANDOM randoml #include "test-expm1.h" int main () { DECL_LONG_DOUBLE_ROUNDING BEGIN_LONG_DOUBLE_ROUNDING (); /* A particular value. */ x = 0.6L; y = expm1l (x); ASSERT (y >= 0.822118800L && y <= 0.822118801L); test_function (); return 0; }