42 lines
2.9 KiB
C
42 lines
2.9 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/stdio/stdio.h"
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#include "libc/testlib/testlib.h"
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#include "libc/x/x.h"
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TEST(ldexp, test) {
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volatile int twopow = 5;
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volatile double pi = 3.14;
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", ldexp(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", ldexpf(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", ldexpl(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalb(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbf(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalbl(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbn(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbnf(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalbnl(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalbln(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2f", scalblnf(pi, twopow))));
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ASSERT_STREQ("100.48", gc(xasprintf("%.2Lf", scalblnl(pi, twopow))));
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}
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