54 lines
2.7 KiB
C
54 lines
2.7 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/limits.h"
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#include "libc/math.h"
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#include "libc/testlib/testlib.h"
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#include "libc/tinymath/tinymath.h"
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TEST(ilogb, yolo) {
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EXPECT_EQ(0, ilogb(1));
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EXPECT_EQ(1, ilogb(2));
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EXPECT_EQ(2, ilogb(4));
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EXPECT_EQ(63, ilogb(1e19));
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EXPECT_EQ(0, ilogbf(1));
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EXPECT_EQ(1, ilogbf(2));
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EXPECT_EQ(2, ilogbf(4));
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EXPECT_EQ(63, ilogb(1e19));
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EXPECT_EQ(0, ilogbl(1));
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EXPECT_EQ(1, ilogbl(2));
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EXPECT_EQ(2, ilogbl(4));
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EXPECT_EQ(63, ilogbl(1e19));
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}
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TEST(logb, yolo) {
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EXPECT_EQ(0, (int)logb(1));
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EXPECT_EQ(1, (int)logb(2));
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EXPECT_EQ(2, (int)logb(4));
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EXPECT_EQ(63, (int)logb(1e19));
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EXPECT_EQ(0, (int)logbf(1));
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EXPECT_EQ(1, (int)logbf(2));
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EXPECT_EQ(2, (int)logbf(4));
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EXPECT_EQ(63, (int)logb(1e19));
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EXPECT_EQ(0, (int)logbl(1));
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EXPECT_EQ(1, (int)logbl(2));
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EXPECT_EQ(2, (int)logbl(4));
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EXPECT_EQ(63, (int)logbl(1e19));
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}
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