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
57 lines
3.1 KiB
C
57 lines
3.1 KiB
C
/*-*- 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/mem/gc.internal.h"
|
|
#include "libc/testlib/ezbench.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/x.h"
|
|
|
|
TEST(log1p, test) {
|
|
EXPECT_STREQ("1", gc(xdtoa(log1p(M_E - 1))));
|
|
EXPECT_STREQ("2", gc(xdtoa(log1p(M_E * M_E - 1))));
|
|
EXPECT_STREQ("NAN", gc(xdtoa(log1p(NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoa(log1p(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoa(log1p(-1))));
|
|
EXPECT_TRUE(isnan(log1p(-2)));
|
|
}
|
|
|
|
TEST(log1pf, test) {
|
|
EXPECT_STREQ("1", gc(xdtoaf(log1pf(M_E - 1))));
|
|
EXPECT_STREQ("NAN", gc(xdtoaf(log1pf(NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoaf(log1pf(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoaf(log1pf(-1))));
|
|
EXPECT_TRUE(isnan(log1pf(-2)));
|
|
}
|
|
|
|
TEST(log1pl, test) {
|
|
EXPECT_STREQ("1", gc(xdtoal(log1pl(1.71828182845904523536L))));
|
|
EXPECT_STREQ("NAN", gc(xdtoal(log1pl(NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoal(log1pl(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoal(log1pl(-1))));
|
|
EXPECT_TRUE(isnan(log1pl(-2)));
|
|
}
|
|
|
|
BENCH(log1p, bench) {
|
|
double _log1p(double) asm("log1p");
|
|
float _log1pf(float) asm("log1pf");
|
|
long double _log1pl(long double) asm("log1pl");
|
|
EZBENCH2("log1p", donothing, _log1p(.7)); /* ~17ns */
|
|
EZBENCH2("log1pf", donothing, _log1pf(.7)); /* ~17ns */
|
|
EZBENCH2("log1pl", donothing, _log1pl(.7)); /* ~28ns */
|
|
}
|