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Improve signal handling and math

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- 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
This commit is contained in:
Justine Tunney 2021-02-25 18:30:17 -08:00
parent cdc54ea1fd
commit 40291c9db3
109 changed files with 2316 additions and 520 deletions
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50
test/libc/tinymath/sqrt_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 2021 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/testlib.h"
#include "libc/x/x.h"
#define sqrtl(x) sqrtl(VEIL("t", (long double)(x)))
#define sqrt(x) sqrt(VEIL("x", (double)(x)))
#define sqrtf(x) sqrtf(VEIL("x", (float)(x)))
TEST(sqrtl, test) {
EXPECT_STREQ("7", gc(xdtoal(sqrtl(7 * 7))));
EXPECT_STREQ("NAN", gc(xdtoal(sqrtl(NAN))));
EXPECT_STREQ("0", gc(xdtoal(sqrtl(0))));
EXPECT_STREQ("INFINITY", gc(xdtoal(sqrtl(INFINITY))));
EXPECT_STREQ("-NAN", gc(xdtoal(sqrtl(-1))));
}
TEST(sqrt, test) {
EXPECT_STREQ("7", gc(xdtoa(sqrt(7 * 7))));
EXPECT_STREQ("NAN", gc(xdtoa(sqrt(NAN))));
EXPECT_STREQ("0", gc(xdtoa(sqrt(0))));
EXPECT_STREQ("INFINITY", gc(xdtoa(sqrt(INFINITY))));
EXPECT_STREQ("-NAN", gc(xdtoa(sqrt(-1))));
}
TEST(sqrtf, test) {
EXPECT_STREQ("7", gc(xdtoaf(sqrtf(7 * 7))));
EXPECT_STREQ("NAN", gc(xdtoaf(sqrtf(NAN))));
EXPECT_STREQ("0", gc(xdtoaf(sqrtf(0))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(sqrtf(INFINITY))));
EXPECT_STREQ("-NAN", gc(xdtoaf(sqrtf(-1))));
}