Mercurial > gnulib
view tests/test-logb.h @ 40156:066c585853e5
tests: Accommodate a shell that is not in /bin/sh.
* tests/init.sh (setup_): Set srcdir and builddir.
(BOURNE_SHELL): New variable.
* modules/acl-tests (Depends-on): Add 'test-framework-sh'.
* modules/file-has-acl-tests (Depends-on): Likewise.
* modules/copy-file-tests (Depends-on): Likewise.
* tests/test-set-mode-acl-1.sh: Use the test framework. Invoke shell
scripts through $BOURNE_SHELL.
* tests/test-set-mode-acl-2.sh: Likewise.
* tests/test-copy-acl-1.sh: Likewise.
* tests/test-copy-acl-2.sh: Likewise.
* tests/test-file-has-acl-1.sh: Likewise.
* tests/test-file-has-acl-2.sh: Likewise.
* tests/test-copy-file-1.sh: Likewise.
* tests/test-copy-file-2.sh: Likewise.
* tests/test-set-mode-acl.sh (builddir): Consider value set by the
invoker.
* tests/test-copy-acl.sh (builddir): Likewise.
* tests/test-file-has-acl.sh (builddir): Likewise.
* tests/test-copy-file.sh (builddir): Likewise.
* tests/test-vc-list-files-cvs.sh: Don't create shims for executables in
build-aux/. Instead, invoke shell scripts through $BOURNE_SHELL.
* tests/test-vc-list-files-git.sh: Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 27 Jan 2019 16:01:23 +0100 |
parents | b06060465f09 |
children |
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/* Test of logb*() 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 DOUBLE my_ldexp (DOUBLE x, int d) { for (; d > 0; d--) x *= L_(2.0); for (; d < 0; d++) x *= L_(0.5); return x; } static void test_function (void) { int i; VOLATILE DOUBLE x; DOUBLE y; /* Some particular values. */ x = L_(0.6); y = LOGB (x); ASSERT (y == - L_(1.0)); x = L_(1.2); y = LOGB (x); ASSERT (y == L_(0.0)); x = L_(2.1); y = LOGB (x); ASSERT (y == L_(1.0)); x = L_(3.9); y = LOGB (x); ASSERT (y == L_(1.0)); x = L_(4.0); y = LOGB (x); ASSERT (y == (FLT_RADIX == 2 ? L_(2.0) : L_(1.0))); x = L_(0.25); y = LOGB (x); ASSERT (y == (FLT_RADIX == 2 ? - L_(2.0) : - L_(1.0))); /* Zero. */ ASSERT (LOGB (L_(0.0)) == - HUGEVAL); ASSERT (LOGB (MINUS_ZERO) == - HUGEVAL); /* From here on, this test assumes FLT_RADIX == 2. */ for (i = 1, x = L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = - L_(1.0); i <= MAX_EXP; i++, x *= L_(2.0)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = - L_(1.0); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (; i >= MIN_EXP - 100 && x < L_(0.0); i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = L_(1.01); i <= MAX_EXP; i++, x *= L_(2.0)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = L_(1.01); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = L_(1.73205); i <= MAX_EXP; i++, x *= L_(2.0)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (i = 1, x = L_(1.73205); i >= MIN_NORMAL_EXP; i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1)); } for (; i >= MIN_EXP - 100 && x > L_(0.0); i--, x *= L_(0.5)) { y = LOGB (x); ASSERT (y == (DOUBLE)(i - 1) || y == (DOUBLE)i); } /* Randomized tests. */ for (i = 0; i < SIZEOF (RANDOM); i++) { x = L_(20.0) * RANDOM[i] - L_(10.0); /* -10.0 <= x <= 10.0 */ if (x != L_(0.0)) { DOUBLE abs_x = (x < L_(0.0) ? - x : x); y = LOGB (x); ASSERT (y == (DOUBLE) (int) y); ASSERT (abs_x >= my_ldexp (L_(1.0), (int) y)); ASSERT (abs_x < my_ldexp (L_(1.0), (int) y + 1)); } } } volatile DOUBLE x; DOUBLE y;