From 3b63293b88852539e9df5eab6e4e056878cfb650 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Fri, 5 Oct 2007 03:34:16 +0200 Subject: Test for module 'floorl'. --- tests/test-floorl.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 tests/test-floorl.c (limited to 'tests/test-floorl.c') diff --git a/tests/test-floorl.c b/tests/test-floorl.c new file mode 100644 index 0000000000..5baf36230b --- /dev/null +++ b/tests/test-floorl.c @@ -0,0 +1,79 @@ +/* Test of rounding towards negative infinity. + Copyright (C) 2007 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible , 2007. */ + +#include + +#include + +#include +#include + +#include "fpucw.h" +#include "isnanl-nolibm.h" + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +int +main () +{ + DECL_LONG_DOUBLE_ROUNDING + + BEGIN_LONG_DOUBLE_ROUNDING (); + + /* Zero. */ + ASSERT (floorl (0.0L) == 0.0L); + ASSERT (floorl (-0.0L) == 0.0L); + /* Positive numbers. */ + ASSERT (floorl (0.3L) == 0.0L); + ASSERT (floorl (0.7L) == 0.0L); + ASSERT (floorl (1.0L) == 1.0L); + ASSERT (floorl (1.5L) == 1.0L); + ASSERT (floorl (1.999L) == 1.0L); + ASSERT (floorl (2.0L) == 2.0L); + ASSERT (floorl (65535.999L) == 65535.0L); + ASSERT (floorl (65536.0L) == 65536.0L); + ASSERT (floorl (2.341e31L) == 2.341e31L); + /* Negative numbers. */ + ASSERT (floorl (-0.3L) == -1.0L); + ASSERT (floorl (-0.7L) == -1.0L); + ASSERT (floorl (-1.0L) == -1.0L); + ASSERT (floorl (-1.001L) == -2.0L); + ASSERT (floorl (-1.5L) == -2.0L); + ASSERT (floorl (-1.999L) == -2.0L); + ASSERT (floorl (-2.0L) == -2.0L); + ASSERT (floorl (-65535.999L) == -65536.0L); + ASSERT (floorl (-65536.0L) == -65536.0L); + ASSERT (floorl (-2.341e31L) == -2.341e31L); + /* Infinite numbers. */ + ASSERT (floorl (1.0L / 0.0L) == 1.0L / 0.0L); + ASSERT (floorl (-1.0L / 0.0L) == -1.0L / 0.0L); + /* NaNs. */ + ASSERT (isnanl (floorl (0.0L / 0.0L))); + + return 0; +} -- cgit v1.2.1