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65 lines
3.5 KiB
C
65 lines
3.5 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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TEST(floor, test) {
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EXPECT_STREQ("3", gc(xdtoa(floor(3))));
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EXPECT_STREQ("3", gc(xdtoa(floor(3.14))));
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EXPECT_STREQ("-4", gc(xdtoa(floor(-3.14))));
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EXPECT_STREQ("-0", gc(xdtoa(floor(-0.))));
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EXPECT_STREQ("NAN", gc(xdtoa(floor(NAN))));
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EXPECT_STREQ("-NAN", gc(xdtoa(floor(-NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(floor(INFINITY))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(floor(-INFINITY))));
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}
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TEST(floorf, test) {
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EXPECT_STREQ("3", gc(xdtoaf(floorf(3))));
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EXPECT_STREQ("3", gc(xdtoaf(floorf(3.14))));
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EXPECT_STREQ("-4", gc(xdtoaf(floorf(-3.14))));
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EXPECT_STREQ("-0", gc(xdtoaf(floorf(-0.))));
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EXPECT_STREQ("NAN", gc(xdtoaf(floorf(NAN))));
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EXPECT_STREQ("-NAN", gc(xdtoaf(floorf(-NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(floorf(INFINITY))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(floorf(-INFINITY))));
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}
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TEST(floorl, test) {
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EXPECT_STREQ("3", gc(xdtoal(floorl(3))));
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EXPECT_STREQ("3", gc(xdtoal(floorl(3.14))));
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EXPECT_STREQ("-4", gc(xdtoal(floorl(-3.14))));
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EXPECT_STREQ("-0", gc(xdtoal(floorl(-0.))));
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EXPECT_STREQ("NAN", gc(xdtoal(floorl(NAN))));
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EXPECT_STREQ("-NAN", gc(xdtoal(floorl(-NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(floorl(INFINITY))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(floorl(-INFINITY))));
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}
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BENCH(floorl, bench) {
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double _floor(double) asm("floor");
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float _floorf(float) asm("floorf");
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long double _floorl(long double) asm("floorl");
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EZBENCH2("floor", donothing, _floor(.7)); /* ~1ns */
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EZBENCH2("floorf", donothing, _floorf(.7)); /* ~3ns */
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EZBENCH2("floorl", donothing, _floorl(.7)); /* ~9ns */
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}
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