mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
66 lines
3.5 KiB
C
66 lines
3.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et 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"
|
|
|
|
double _trunc(double) asm("trunc");
|
|
float _truncf(float) asm("truncf");
|
|
long double _truncl(long double) asm("truncl");
|
|
|
|
TEST(trunc, test) {
|
|
EXPECT_STREQ("3", gc(xdtoa(_trunc(3))));
|
|
EXPECT_STREQ("3", gc(xdtoa(_trunc(3.14))));
|
|
EXPECT_STREQ("-3", gc(xdtoa(_trunc(-3.14))));
|
|
EXPECT_STREQ("-0", gc(xdtoa(_trunc(-0.))));
|
|
EXPECT_STREQ("NAN", gc(xdtoa(_trunc(NAN))));
|
|
EXPECT_STREQ("-NAN", gc(xdtoa(_trunc(-NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoa(_trunc(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoa(_trunc(-INFINITY))));
|
|
}
|
|
|
|
TEST(truncf, test) {
|
|
EXPECT_STREQ("3", gc(xdtoaf(_truncf(3))));
|
|
EXPECT_STREQ("3", gc(xdtoaf(_truncf(3.14))));
|
|
EXPECT_STREQ("-3", gc(xdtoaf(_truncf(-3.14))));
|
|
EXPECT_STREQ("-0", gc(xdtoaf(_truncf(-0.))));
|
|
EXPECT_STREQ("NAN", gc(xdtoaf(_truncf(NAN))));
|
|
EXPECT_STREQ("-NAN", gc(xdtoaf(_truncf(-NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoaf(_truncf(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoaf(_truncf(-INFINITY))));
|
|
}
|
|
|
|
TEST(truncl, test) {
|
|
EXPECT_STREQ("3", gc(xdtoal(_truncl(3))));
|
|
EXPECT_STREQ("3", gc(xdtoal(_truncl(3.14))));
|
|
EXPECT_STREQ("-3", gc(xdtoal(_truncl(-3.14))));
|
|
EXPECT_STREQ("-0", gc(xdtoal(_truncl(-0.))));
|
|
EXPECT_STREQ("NAN", gc(xdtoal(_truncl(NAN))));
|
|
EXPECT_STREQ("-NAN", gc(xdtoal(_truncl(-NAN))));
|
|
EXPECT_STREQ("INFINITY", gc(xdtoal(_truncl(INFINITY))));
|
|
EXPECT_STREQ("-INFINITY", gc(xdtoal(_truncl(-INFINITY))));
|
|
}
|
|
|
|
BENCH(truncl, bench) {
|
|
EZBENCH2("trunc", donothing, _trunc(.7)); // ~1ns
|
|
EZBENCH2("truncf", donothing, _truncf(.7)); // ~1ns
|
|
EZBENCH2("truncl", donothing, _truncl(.7)); // ~7ns
|
|
}
|