47 lines
3.0 KiB
C
47 lines
3.0 KiB
C
/*-*- 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 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ This program is free software; you can redistribute it and/or modify │
|
|
│ it under the terms of the GNU General Public License as published by │
|
|
│ the Free Software Foundation; version 2 of the License. │
|
|
│ │
|
|
│ This program is distributed in the hope that it will be useful, but │
|
|
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
|
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
|
│ General Public License for more details. │
|
|
│ │
|
|
│ You should have received a copy of the GNU General Public License │
|
|
│ along with this program; if not, write to the Free Software │
|
|
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
|
│ 02110-1301 USA │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/math.h"
|
|
#include "libc/runtime/gc.h"
|
|
#include "libc/stdio/stdio.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "libc/x/x.h"
|
|
|
|
TEST(ldexp, test) {
|
|
volatile int twopow = 5;
|
|
volatile double pi = 3.14;
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", ldexp(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", ldexpf(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", ldexpl(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalb(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbf(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalbl(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbn(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbnf(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalbnl(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbln(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalblnf(pi, twopow))));
|
|
ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalblnl(pi, twopow))));
|
|
}
|
|
|
|
TEST(exp10, test) {
|
|
ASSERT_EQ(100, (int)exp10(2));
|
|
ASSERT_STREQ("100.000000", gc(xasprintf("%Lf", exp10l(2))));
|
|
}
|