48 lines
2.6 KiB
C
48 lines
2.6 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 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/math.h"
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#include "libc/runtime/gc.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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char buf[32];
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TEST(sinl, testLongDouble) {
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EXPECT_STREQ(".479425538604203", gc(xdtoa(sinl(.5))));
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EXPECT_STREQ("-.479425538604203", gc(xdtoa(sinl(-.5))));
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}
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TEST(sinl, testDouble) {
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EXPECT_STREQ(".479425538604203", gc(xdtoa(sin(.5))));
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EXPECT_STREQ("-.479425538604203", gc(xdtoa(sin(-.5))));
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}
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TEST(sinl, testFloat) {
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EXPECT_STARTSWITH(".4794255", gc(xdtoa(sinf(.5f))));
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EXPECT_STARTSWITH("-.4794255", gc(xdtoa(sinf(-.5f))));
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}
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BENCH(sinl, bench) {
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EZBENCH(donothing, sinl(0.7)); /* ~30ns */
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EZBENCH(donothing, sin(0.7)); /* ~35ns */
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EZBENCH(donothing, sinf(0.7f)); /* ~35ns */
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}
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