mirror of
https://github.com/jart/cosmopolitan.git
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40291c9db3
- Polyfill ucontext_t on FreeBSD/OpenBSD/NetBSD - Add tests confirming signals can edit CPU state - Work towards supporting ZIP filesystem on bare metal - Add more tinymath unit tests for POSIX conformance - Add X87 and SSE status flags to crash report - Fix some bugs in blinkenlights - Fix llvm build breakage
63 lines
3.4 KiB
C
63 lines
3.4 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/runtime/gc.h"
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#include "libc/stdio/stdio.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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#define expl(x) expl(VEIL("t", (long double)(x)))
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#define exp(x) exp(VEIL("x", (double)(x)))
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#define expf(x) expf(VEIL("x", (float)(x)))
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TEST(expl, test) {
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EXPECT_STREQ("1", gc(xdtoal(expl(0))));
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EXPECT_STREQ("1", gc(xdtoal(expl(-0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(expl(INFINITY))));
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EXPECT_STREQ("0", gc(xdtoal(expl(-INFINITY))));
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EXPECT_STREQ("NAN", gc(xdtoal(expl(NAN))));
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EXPECT_STREQ("0", gc(xdtoal(expl(-132098844872390))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(expl(132098844872390))));
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}
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TEST(exp, test) {
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EXPECT_STREQ("1", gc(xdtoa(exp(0))));
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EXPECT_STREQ("1", gc(xdtoa(exp(-0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(exp(INFINITY))));
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EXPECT_STREQ("0", gc(xdtoa(exp(-INFINITY))));
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EXPECT_STREQ("NAN", gc(xdtoa(exp(NAN))));
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EXPECT_STREQ("0", gc(xdtoa(exp(-132098844872390))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(exp(132098844872390))));
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}
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TEST(expf, test) {
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EXPECT_STREQ("1", gc(xdtoaf(expf(0))));
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EXPECT_STREQ("1", gc(xdtoaf(expf(-0.))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(expf(INFINITY))));
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EXPECT_STREQ("0", gc(xdtoaf(expf(-INFINITY))));
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EXPECT_STREQ("NAN", gc(xdtoaf(expf(NAN))));
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EXPECT_STREQ("0", gc(xdtoaf(expf(-132098844872390))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(expf(132098844872390))));
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}
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TEST(exp, fun) {
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ASSERT_STREQ("7.389056", gc(xasprintf("%f", exp(2.0))));
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ASSERT_STREQ("6.389056", gc(xasprintf("%f", expm1(2.0))));
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ASSERT_STREQ("6.389056", gc(xasprintf("%f", exp(2.0) - 1.0)));
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}
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