mirror of
https://github.com/jart/cosmopolitan.git
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76 lines
4.2 KiB
C
76 lines
4.2 KiB
C
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/*-*- 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/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(hypot, test) {
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EXPECT_STREQ("0", gc(xdtoa(hypot(0, 0))));
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EXPECT_STREQ("5", gc(xdtoa(hypot(3, 4))));
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EXPECT_STREQ("5", gc(xdtoa(hypot(-3, -4))));
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EXPECT_STREQ("1.414213562373095e+154", gc(xdtoa(hypot(1e154, 1e154))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypot(0, NAN))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypot(NAN, 0))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypot(NAN, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypot(INFINITY, 0))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypot(0, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypot(INFINITY, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypot(NAN, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypot(INFINITY, INFINITY))));
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}
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TEST(hypotf, test) {
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EXPECT_STREQ("0", gc(xdtoa(hypotf(0, 0))));
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EXPECT_STREQ("5", gc(xdtoa(hypotf(3, 4))));
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EXPECT_STREQ("5", gc(xdtoa(hypotf(-3, -4))));
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EXPECT_STREQ("1.414214e+38", gc(xdtoaf(hypotf(1e38, 1e38))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotf(0, NAN))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotf(NAN, 0))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotf(NAN, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotf(INFINITY, 0))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotf(0, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotf(INFINITY, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotf(NAN, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotf(INFINITY, INFINITY))));
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}
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TEST(hypotl, test) {
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EXPECT_STREQ("0", gc(xdtoa(hypotl(0, 0))));
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EXPECT_STREQ("5", gc(xdtoa(hypotl(3, 4))));
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EXPECT_STREQ("5", gc(xdtoa(hypotl(-3, -4))));
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EXPECT_STREQ("1.414213562373095e+4931", gc(xdtoa(hypotl(1e4931L, 1e4931L))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotl(0, NAN))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotl(NAN, 0))));
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EXPECT_STREQ("NAN", gc(xdtoa(hypotl(NAN, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotl(INFINITY, 0))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotl(0, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotl(INFINITY, NAN))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotl(NAN, INFINITY))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(hypotl(INFINITY, INFINITY))));
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}
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BENCH(hypot, bench) {
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volatile double a = 2;
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volatile double b = 3;
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EZBENCH2("hypotf", donothing, EXPROPRIATE(hypotf(a, b)));
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EZBENCH2("hypot", donothing, EXPROPRIATE(hypot(a, b)));
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EZBENCH2("hypotl", donothing, EXPROPRIATE(hypotl(a, b)));
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}
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