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/*
* The ManaPlus Client
* Copyright (C) 2013 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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; either version 2 of the License, or
* any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "utils/mathutils.h"
#include "catch.hpp"
#include "debug.h"
TEST_CASE("MathUtils powerOfTwo")
{
REQUIRE(powerOfTwo(0) == 1);
REQUIRE(powerOfTwo(1) == 1);
REQUIRE(powerOfTwo(2) == 2);
REQUIRE(powerOfTwo(3) == 4);
REQUIRE(powerOfTwo(4) == 4);
REQUIRE(powerOfTwo(5) == 8);
REQUIRE(powerOfTwo(6) == 8);
REQUIRE(powerOfTwo(7) == 8);
REQUIRE(powerOfTwo(8) == 8);
REQUIRE(powerOfTwo(9) == 16);
REQUIRE(powerOfTwo(10) == 16);
REQUIRE(powerOfTwo(11) == 16);
REQUIRE(powerOfTwo(12) == 16);
REQUIRE(powerOfTwo(13) == 16);
REQUIRE(powerOfTwo(14) == 16);
REQUIRE(powerOfTwo(15) == 16);
REQUIRE(powerOfTwo(16) == 16);
REQUIRE(powerOfTwo(17) == 32);
REQUIRE(powerOfTwo(18) == 32);
REQUIRE(powerOfTwo(19) == 32);
REQUIRE(powerOfTwo(20) == 32);
REQUIRE(powerOfTwo(21) == 32);
REQUIRE(powerOfTwo(22) == 32);
REQUIRE(powerOfTwo(23) == 32);
REQUIRE(powerOfTwo(24) == 32);
REQUIRE(powerOfTwo(25) == 32);
REQUIRE(powerOfTwo(26) == 32);
REQUIRE(powerOfTwo(27) == 32);
REQUIRE(powerOfTwo(28) == 32);
REQUIRE(powerOfTwo(29) == 32);
REQUIRE(powerOfTwo(30) == 32);
REQUIRE(powerOfTwo(31) == 32);
REQUIRE(powerOfTwo(32) == 32);
REQUIRE(powerOfTwo(33) == 64);
REQUIRE(powerOfTwo(34) == 64);
REQUIRE(powerOfTwo(35) == 64);
REQUIRE(powerOfTwo(36) == 64);
REQUIRE(powerOfTwo(37) == 64);
REQUIRE(powerOfTwo(38) == 64);
REQUIRE(powerOfTwo(39) == 64);
REQUIRE(powerOfTwo(41) == 64);
REQUIRE(powerOfTwo(42) == 64);
REQUIRE(powerOfTwo(43) == 64);
REQUIRE(powerOfTwo(44) == 64);
REQUIRE(powerOfTwo(45) == 64);
REQUIRE(powerOfTwo(46) == 64);
REQUIRE(powerOfTwo(47) == 64);
REQUIRE(powerOfTwo(48) == 64);
REQUIRE(powerOfTwo(49) == 64);
REQUIRE(powerOfTwo(50) == 64);
REQUIRE(powerOfTwo(51) == 64);
REQUIRE(powerOfTwo(52) == 64);
REQUIRE(powerOfTwo(53) == 64);
REQUIRE(powerOfTwo(54) == 64);
REQUIRE(powerOfTwo(55) == 64);
REQUIRE(powerOfTwo(56) == 64);
REQUIRE(powerOfTwo(57) == 64);
REQUIRE(powerOfTwo(58) == 64);
REQUIRE(powerOfTwo(59) == 64);
REQUIRE(powerOfTwo(60) == 64);
REQUIRE(powerOfTwo(61) == 64);
REQUIRE(powerOfTwo(62) == 64);
REQUIRE(powerOfTwo(63) == 64);
REQUIRE(powerOfTwo(64) == 64);
REQUIRE(powerOfTwo(65) == 128);
REQUIRE(powerOfTwo(1000000) == 1048576);
}
TEST_CASE("MathUtils tests fastSqrtInt")
{
for (int f = 0; f < 1005; f ++)
REQUIRE(fastSqrtInt(f) == static_cast<int>(sqrt(f)));
}
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