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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
70 lines
3.5 KiB
C
70 lines
3.5 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/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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TEST(sincos, test) {
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double sine, cosine;
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sincos(.1, &sine, &cosine);
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EXPECT_STREQ("0.0998334166468282", _gc(xasprintf("%.15g", sine)));
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EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15g", cosine)));
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}
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TEST(sincosf, test) {
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float sine, cosine;
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sincosf(.1, &sine, &cosine);
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EXPECT_STREQ("0.0998334", _gc(xasprintf("%.6g", sine)));
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EXPECT_STREQ("0.995004", _gc(xasprintf("%.6g", cosine)));
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}
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TEST(sincosl, test) {
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long double sine, cosine;
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sincosl(.1, &sine, &cosine);
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#ifndef __aarch64__
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// TODO(jart): get quad floats working with printf
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EXPECT_STREQ("0.0998334166468282", _gc(xasprintf("%.15Lg", sine)));
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EXPECT_STREQ("0.995004165278026", _gc(xasprintf("%.15Lg", cosine)));
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#endif
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}
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#define NUM .123
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BENCH(sincos, bench) {
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double _sin(double) asm("sin");
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float _sinf(float) asm("sinf");
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long double _sinl(long double) asm("sinl");
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double _cos(double) asm("cos");
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float _cosf(float) asm("cosf");
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long double _cosl(long double) asm("cosl");
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double _sincos(double, double*, double*) asm("sincos");
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float _sincosf(float, float*, float*) asm("sincosf");
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long double _sincosl(long double, long double*, long double*) asm("sincosl");
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float sinef, cosinef;
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double sine, cosine;
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long double sinel, cosinel;
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EZBENCH2("sin+cos", donothing, (_sin(NUM), _cos(NUM)));
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EZBENCH2("sincos", donothing, _sincos(NUM, &sine, &cosine));
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EZBENCH2("sinf+cosf", donothing, (_sinf(NUM), _cosf(NUM)));
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EZBENCH2("sincosf", donothing, _sincosf(NUM, &sinef, &cosinef));
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EZBENCH2("sinl+cosl", donothing, (_sinl(NUM), _cosl(NUM)));
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EZBENCH2("sincosl", donothing, _sincosl(NUM, &sinel, &cosinel));
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}
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