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Add more math fixes

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This commit is contained in:
Justine Tunney 2021-03-06 11:41:01 -08:00
parent 11ec99931b
commit bfef17eb6d
27 changed files with 236 additions and 61 deletions
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65
test/libc/tinymath/sin_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/math.h"
#include "libc/runtime/gc.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#define sinl(x) sinl(VEIL("t", (long double)(x)))
#define sin(x) sin(VEIL("x", (double)(x)))
#define sinf(x) sinf(VEIL("x", (float)(x)))
TEST(sinl, test) {
EXPECT_STREQ("NAN", gc(xdtoal(sinl(NAN))));
EXPECT_STREQ("-NAN", gc(xdtoal(sinl(+INFINITY))));
EXPECT_STREQ("-NAN", gc(xdtoal(sinl(-INFINITY))));
EXPECT_STREQ(".479425538604203", gc(xdtoal(sinl(.5))));
EXPECT_STREQ("-.479425538604203", gc(xdtoal(sinl(-.5))));
EXPECT_STREQ(".8414709794048734", gc(xdtoal(sinl(.99999999))));
/* EXPECT_STREQ("-.998836772397", gc(xdtoal(sinl(555555555555)))); */
/* EXPECT_STREQ("1", gc(xdtoal(SINL(5.319372648326541e+255L)))); */
}
TEST(sin, test) {
EXPECT_TRUE(isnan(sin(NAN)));
EXPECT_TRUE(isnan(sin(+INFINITY)));
EXPECT_TRUE(isnan(sin(-INFINITY)));
EXPECT_STREQ("NAN", gc(xdtoa(sin(NAN))));
EXPECT_STREQ(".479425538604203", gc(xdtoa(sin(.5))));
EXPECT_STREQ("-.479425538604203", gc(xdtoa(sin(-.5))));
EXPECT_STREQ(".479425538604203", gc(xdtoa(sin(.5))));
EXPECT_STREQ("-.479425538604203", gc(xdtoa(sin(-.5))));
}
TEST(sinf, test) {
EXPECT_TRUE(isnan(sinf(NAN)));
EXPECT_TRUE(isnan(sinf(+INFINITY)));
EXPECT_TRUE(isnan(sinf(-INFINITY)));
EXPECT_STREQ("NAN", gc(xdtoaf(sinf(NAN))));
EXPECT_STARTSWITH(".479426", gc(xdtoaf(sinf(.5f))));
EXPECT_STARTSWITH("-.479426", gc(xdtoaf(sinf(-.5f))));
EXPECT_STARTSWITH(".873283", gc(xdtoaf(sinf(555))));
}
BENCH(sinl, bench) {
EZBENCH(donothing, sinl(0.7)); /* ~30ns */
EZBENCH(donothing, sin(0.7)); /* ~35ns */
EZBENCH(donothing, sinf(0.7f)); /* ~35ns */
}