mirror of
https://github.com/jart/cosmopolitan.git
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a4b455185b
Renaming gc() to _gc() was a mistake since the better thing to do is put it behind the _COSMO_SOURCE macro. We need this change because I haven't wanted to use my amazing garbage collector ever since we renamed it. You now need to define _COSMO_SOURCE yourself when using amalgamation header and cosmocc users need to pass the -mcosmo flag to get the gc() function Some other issues relating to cancelation have been fixed along the way. We're also now putting cosmocc in a folder named `.cosmocc` so it can be more safely excluded by grep --exclude-dir=.cosmocc --exclude-dir=o etc.
52 lines
3 KiB
C
52 lines
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 et 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.h"
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#include "libc/stdio/rand.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/xasprintf.h"
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double _acos(double) asm("acos");
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float _acosf(float) asm("acosf");
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long double _acosl(long double) asm("acosl");
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TEST(acos, test) {
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EXPECT_STREQ("1.5707963267949", gc(xasprintf("%.15g", _acos(0.))));
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EXPECT_STREQ("1.5707963267949", gc(xasprintf("%.15g", _acos(-0.))));
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EXPECT_STREQ("1.0471975511966", gc(xasprintf("%.15g", _acos(.5))));
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EXPECT_STREQ("2.0943951023932", gc(xasprintf("%.15g", _acos(-.5))));
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EXPECT_STREQ("0", gc(xasprintf("%.15g", _acos(1.))));
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EXPECT_STREQ("3.14159265358979", gc(xasprintf("%.15g", _acos(-1.))));
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EXPECT_TRUE(isnan(_acos(1.5)));
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EXPECT_TRUE(isnan(_acos(-1.5)));
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EXPECT_TRUE(isnan(_acos(2.)));
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EXPECT_TRUE(isnan(_acos(NAN)));
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EXPECT_TRUE(isnan(_acos(-NAN)));
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EXPECT_TRUE(isnan(_acos(INFINITY)));
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EXPECT_TRUE(isnan(_acos(-INFINITY)));
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EXPECT_STREQ("1.5707963267949", gc(xasprintf("%.15g", _acos(__DBL_MIN__))));
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EXPECT_TRUE(isnan(_acos(__DBL_MAX__)));
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}
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BENCH(acos, bench) {
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EZBENCH2("acos", donothing, _acos(.7)); /* ~13ns */
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EZBENCH2("acosf", donothing, _acosf(.7)); /* ~10ns */
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EZBENCH2("acosl", donothing, _acosl(.7)); /* ~26ns */
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}
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