mirror of
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79 lines
4.3 KiB
C
79 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 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/runtime/gc.internal.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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#define sinl(x) sinl(VEIL("t", (long double)(x)))
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#define sin(x) sin(VEIL("x", (double)(x)))
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#define sinf(x) sinf(VEIL("x", (float)(x)))
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TEST(sinl, test) {
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EXPECT_STREQ("NAN", gc(xdtoal(sinl(NAN))));
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EXPECT_STREQ("-NAN", gc(xdtoal(sinl(+INFINITY))));
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EXPECT_STREQ("-NAN", gc(xdtoal(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", 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(sinl, bench) {
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EZBENCH(donothing, sinl(0.7)); /* ~30ns */
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EZBENCH(donothing, sin(0.7)); /* ~35ns */
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EZBENCH(donothing, sinf(0.7f)); /* ~35ns */
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}
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