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Diffstat (limited to 'tests/test-y0.c')
-rw-r--r-- | tests/test-y0.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/test-y0.c b/tests/test-y0.c new file mode 100644 index 0000000000..c8055fb55d --- /dev/null +++ b/tests/test-y0.c @@ -0,0 +1,40 @@ +/* Test of y0() function. + Copyright (C) 2010 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2010. */ + +#include <config.h> + +#include <math.h> + +#include "signature.h" +SIGNATURE_CHECK (y0, double, (double)); + +#include "macros.h" + +volatile double x; +double y; + +int +main () +{ + /* A particular value. */ + x = 3.8; + y = y0 (x); + ASSERT (y >= 0.0645032466 && y <= 0.0645032467); + + return 0; +} |