mirror of
https://github.com/jart/cosmopolitan.git
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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 KiB
C
57 lines
3 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 2021 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/mem/gc.internal.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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double _sqrt(double) asm("sqrt");
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float _sqrtf(float) asm("sqrtf");
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long double _sqrtl(long double) asm("sqrtl");
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TEST(sqrtl, test) {
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EXPECT_STREQ("7", gc(xdtoal(_sqrtl(7 * 7))));
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EXPECT_STREQ("NAN", gc(xdtoal(_sqrtl(NAN))));
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EXPECT_STREQ("0", gc(xdtoal(_sqrtl(0))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(_sqrtl(INFINITY))));
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EXPECT_TRUE(isnan(_sqrtl(-1)));
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}
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TEST(sqrt, test) {
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EXPECT_STREQ("7", gc(xdtoa(_sqrt(7 * 7))));
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EXPECT_STREQ("NAN", gc(xdtoa(_sqrt(NAN))));
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EXPECT_STREQ("0", gc(xdtoa(_sqrt(0))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(_sqrt(INFINITY))));
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EXPECT_TRUE(isnan(_sqrt(-1)));
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}
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TEST(sqrtf, test) {
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EXPECT_STREQ("7", gc(xdtoaf(_sqrtf(7 * 7))));
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EXPECT_STREQ("NAN", gc(xdtoaf(_sqrtf(NAN))));
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EXPECT_STREQ("0", gc(xdtoaf(_sqrtf(0))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(_sqrtf(INFINITY))));
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EXPECT_TRUE(isnan(_sqrtf(-1)));
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}
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BENCH(_sqrt, bench) {
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EZBENCH2("sqrt", donothing, _sqrt(.7)); /* ~2ns */
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EZBENCH2("sqrtf", donothing, _sqrtf(.7)); /* ~1ns */
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EZBENCH2("sqrtl", donothing, _sqrtl(.7)); /* ~9ns */
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}
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