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Fix some more reported issues

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Justine Tunney 2022-04-28 20:36:33 -07:00
parent 80c4533303
commit c9a981fdbe
12 changed files with 206 additions and 255 deletions
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34
test/libc/tinymath/complex_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/complex.h"
#include "libc/fmt/fmt.h"
#include "libc/testlib/testlib.h"
TEST(complex, test) {
char buf[128];
complex double z, z1;
sprintf(buf, "I = %.1f%+.1fi", creal(_Complex_I), cimag(_Complex_I));
EXPECT_STREQ("I = 0.0+1.0i", buf);
z1 = _Complex_I * _Complex_I; // imaginary unit squared
sprintf(buf, "I * I = %.1f%+.1fi", creal(z1), cimag(z1));
EXPECT_STREQ("I * I = -1.0+0.0i", buf);
z = 1.0 + 2.0 * _Complex_I; // usual way to form a complex number pre-C11
sprintf(buf, "z = %.1f%+.1fi", creal(z), cimag(z));
EXPECT_STREQ("z = 1.0+2.0i", buf);
}