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https://github.com/jart/cosmopolitan.git
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56 lines
3.1 KiB
C
56 lines
3.1 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/runtime/gc.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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#define atanhl(x) atanhl(VEIL("t", (long double)(x)))
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#define atanh(x) atanh(VEIL("x", (double)(x)))
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#define atanhf(x) atanhf(VEIL("x", (float)(x)))
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TEST(atanh, test) {
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EXPECT_STREQ("0", gc(xdtoa(atanh(0))));
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EXPECT_STREQ(".549306144334055", gc(xdtoa(atanh(.5))));
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EXPECT_STREQ("-.549306144334055", gc(xdtoa(atanh(-.5))));
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EXPECT_STREQ("INFINITY", gc(xdtoa(atanh(+1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoa(atanh(-1))));
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EXPECT_TRUE(isnan(atanh(+1.1)));
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EXPECT_TRUE(isnan(atanh(-1.1)));
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}
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TEST(atanhl, test) {
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EXPECT_STREQ("0", gc(xdtoal(atanhl(0))));
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EXPECT_STREQ(".5493061443340548", gc(xdtoal(atanhl(.5))));
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EXPECT_STREQ("-.5493061443340548", gc(xdtoal(atanhl(-.5))));
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EXPECT_STREQ("INFINITY", gc(xdtoal(atanhl(+1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoal(atanhl(-1))));
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EXPECT_TRUE(isnan(atanhl(+1.1)));
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EXPECT_TRUE(isnan(atanhl(-1.1)));
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}
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TEST(atanhf, test) {
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EXPECT_STREQ("0", gc(xdtoaf(atanhf(0))));
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EXPECT_STREQ(".549306", gc(xdtoaf(atanhf(.5))));
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EXPECT_STREQ("-.549306", gc(xdtoaf(atanhf(-.5))));
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EXPECT_STREQ("INFINITY", gc(xdtoaf(atanhf(+1))));
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EXPECT_STREQ("-INFINITY", gc(xdtoaf(atanhf(-1))));
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EXPECT_TRUE(isnan(atanhf(+1.1)));
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EXPECT_TRUE(isnan(atanhf(-1.1)));
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}
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