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394d998315
At least in neovim, `│vi:` is not recognized as a modeline because it has no preceding whitespace. After fixing this, opening a file yields an error because `net` is not an option. (`noet`, however, is.)
73 lines
4.3 KiB
C
73 lines
4.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/math.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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TEST(copysign, test) {
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EXPECT_STREQ("0", gc(xdtoa(copysign(0, +0))));
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EXPECT_STREQ("-0", gc(xdtoa(copysign(0, -0.))));
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EXPECT_STREQ("0", gc(xdtoa(copysign(0, +1))));
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EXPECT_STREQ("-0", gc(xdtoa(copysign(-0., -1))));
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EXPECT_STREQ("2", gc(xdtoa(copysign(2, +1))));
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EXPECT_STREQ("-2", gc(xdtoa(copysign(-2, -1))));
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EXPECT_STREQ("NAN", gc(xdtoa(copysign(NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoa(copysign(NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(copysign(INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(copysign(INFINITY, -1))));
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EXPECT_STREQ("NAN", gc(xdtoa(copysign(-NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoa(copysign(-NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(copysign(-INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(copysign(-INFINITY, -1))));
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}
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TEST(copysignl, test) {
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EXPECT_STREQ("0", gc(xdtoal(copysignl(0, +0))));
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EXPECT_STREQ("-0", gc(xdtoal(copysignl(0, -0.))));
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EXPECT_STREQ("0", gc(xdtoal(copysignl(0, +1))));
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EXPECT_STREQ("-0", gc(xdtoal(copysignl(-0., -1))));
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EXPECT_STREQ("2", gc(xdtoal(copysignl(2, +1))));
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EXPECT_STREQ("-2", gc(xdtoal(copysignl(-2, -1))));
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EXPECT_STREQ("NAN", gc(xdtoal(copysignl(NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoal(copysignl(NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(copysignl(INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(copysignl(INFINITY, -1))));
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EXPECT_STREQ("NAN", gc(xdtoal(copysignl(-NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoal(copysignl(-NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(copysignl(-INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(copysignl(-INFINITY, -1))));
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}
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TEST(copysignf, test) {
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EXPECT_STREQ("0", gc(xdtoaf(copysignf(0, +0))));
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EXPECT_STREQ("-0", gc(xdtoaf(copysignf(0, -0.))));
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EXPECT_STREQ("0", gc(xdtoaf(copysignf(0, +1))));
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EXPECT_STREQ("-0", gc(xdtoaf(copysignf(-0., -1))));
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EXPECT_STREQ("2", gc(xdtoaf(copysignf(2, +1))));
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EXPECT_STREQ("-2", gc(xdtoaf(copysignf(-2, -1))));
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EXPECT_STREQ("NAN", gc(xdtoaf(copysignf(NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoaf(copysignf(NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(copysignf(INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(copysignf(INFINITY, -1))));
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EXPECT_STREQ("NAN", gc(xdtoaf(copysignf(-NAN, +1))));
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EXPECT_STREQ("-NAN", gc(xdtoaf(copysignf(-NAN, -1))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(copysignf(-INFINITY, +1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(copysignf(-INFINITY, -1))));
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}
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