mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
550b52abf6
- Introduce epoll_pwait() - Rewrite -ftrapv and ffs() libraries in C code - Use more FreeBSD code in math function library - Get significantly more tests passing on qemu-aarch64 - Fix many Musl long double functions that were broken on AARCH64
81 lines
4.4 KiB
C
81 lines
4.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 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/x.h"
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#include "libc/x/xasprintf.h"
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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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TEST(sinl, test) {
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EXPECT_STREQ("NAN", _gc(xdtoal(_sinl(NAN))));
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EXPECT_TRUE(isnan(_sinl(+INFINITY)));
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EXPECT_TRUE(isnan(_sinl(-INFINITY)));
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EXPECT_STREQ(".479425538604203", _gc(xdtoal(_sinl(.5))));
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EXPECT_STREQ("-.479425538604203", _gc(xdtoal(_sinl(-.5))));
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EXPECT_STREQ(".8414709794048734", _gc(xdtoal(_sinl(.99999999))));
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/* EXPECT_STREQ("-.998836772397", _gc(xdtoal(_sinl(555555555555)))); */
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/* EXPECT_STREQ("1", _gc(xdtoal(_sinl(5.319372648326541e+255L)))); */
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}
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TEST(sin, test) {
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EXPECT_STREQ("0", _gc(xasprintf("%.15g", _sin(0.))));
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EXPECT_STREQ("-0", _gc(xasprintf("%.15g", _sin(-0.))));
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EXPECT_STREQ("0.0998334166468282", _gc(xasprintf("%.15g", _sin(.1))));
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EXPECT_STREQ("-0.0998334166468282", _gc(xasprintf("%.15g", _sin(-.1))));
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EXPECT_STREQ("0.479425538604203", _gc(xasprintf("%.15g", _sin(.5))));
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EXPECT_STREQ("-0.479425538604203", _gc(xasprintf("%.15g", _sin(-.5))));
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EXPECT_STREQ("0.841470984807897", _gc(xasprintf("%.15g", _sin(1.))));
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EXPECT_STREQ("-0.841470984807897", _gc(xasprintf("%.15g", _sin(-1.))));
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EXPECT_STREQ("0.997494986604054", _gc(xasprintf("%.15g", _sin(1.5))));
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EXPECT_STREQ("-0.997494986604054", _gc(xasprintf("%.15g", _sin(-1.5))));
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EXPECT_STREQ("0.909297426825682", _gc(xasprintf("%.15g", _sin(2.))));
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EXPECT_TRUE(isnan(_sin(NAN)));
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EXPECT_TRUE(isnan(_sin(-NAN)));
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EXPECT_TRUE(isnan(_sin(INFINITY)));
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EXPECT_TRUE(isnan(_sin(-INFINITY)));
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EXPECT_STREQ("2.2250738585072e-308",
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_gc(xasprintf("%.15g", _sin(__DBL_MIN__))));
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EXPECT_STREQ("0.00496195478918406",
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_gc(xasprintf("%.15g", _sin(__DBL_MAX__))));
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EXPECT_STREQ("-0.841470984807897",
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_gc(xasprintf("%.15g", _sin(-1.0000000000000002))));
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EXPECT_STREQ("-2.1073424255447e-08",
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_gc(xasprintf("%.15g", _sin(-2.1073424255447e-08))));
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}
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TEST(sinf, test) {
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EXPECT_TRUE(isnan(_sinf(NAN)));
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EXPECT_TRUE(isnan(_sinf(+INFINITY)));
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EXPECT_TRUE(isnan(_sinf(-INFINITY)));
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EXPECT_STREQ("NAN", _gc(xdtoaf(_sinf(NAN))));
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EXPECT_STARTSWITH(".479426", _gc(xdtoaf(_sinf(.5f))));
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EXPECT_STARTSWITH("-.479426", _gc(xdtoaf(_sinf(-.5f))));
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EXPECT_STARTSWITH(".873283", _gc(xdtoaf(_sinf(555))));
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}
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BENCH(_sin, bench) {
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EZBENCH2("sin", donothing, _sin(.7)); /* ~5ns */
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EZBENCH2("sinf", donothing, _sinf(.7)); /* ~5ns */
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EZBENCH2("sinl", donothing, _sinl(.7)); /* ~28ns */
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}
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