137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2010-09-16
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// Updated : 2010-09-16
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// Licence : This source is under MIT licence
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// File : test/gtx/bit.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <glm/glm.hpp>
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#include <glm/gtx/number_precision.hpp>
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#include <glm/gtx/bit.hpp>
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#include <iostream>
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enum result
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{
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SUCCESS,
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FAIL,
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ASSERT,
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STATIC_ASSERT
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};
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namespace extractField
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{
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template <typename genType, typename sizeType>
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struct type
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{
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genType Value;
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sizeType BitFirst;
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sizeType BitCount;
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genType Return;
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result Result;
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};
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typedef type<glm::uint64, glm::uint> typeU64;
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typeU64 const Data64[] =
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{
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{0xffffffffffffffff, 8, 0, 0x0000000000000000, SUCCESS},
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{0x0000000000000000, 0,64, 0x0000000000000000, SUCCESS},
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{0xffffffffffffffff, 0,64, 0xffffffffffffffff, SUCCESS},
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{0x0f0f0f0f0f0f0f0f, 0,64, 0x0f0f0f0f0f0f0f0f, SUCCESS},
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{0x0000000000000000, 8, 0, 0x0000000000000000, SUCCESS},
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{0x8000000000000000,63, 1, 0x0000000000000001, SUCCESS},
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{0x7fffffffffffffff,63, 1, 0x0000000000000000, SUCCESS},
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{0x0000000000000300, 8, 8, 0x0000000000000003, SUCCESS},
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{0x000000000000ff00, 8, 8, 0x00000000000000ff, SUCCESS},
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{0xfffffffffffffff0, 0, 5, 0x0000000000000010, SUCCESS},
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{0x00000000000000ff, 1, 3, 0x0000000000000007, SUCCESS},
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{0x00000000000000ff, 0, 3, 0x0000000000000007, SUCCESS},
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{0x0000000000000000, 0, 2, 0x0000000000000000, SUCCESS},
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{0xffffffffffffffff, 0, 8, 0x00000000000000ff, SUCCESS},
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{0xffffffff00000000,32,32, 0x00000000ffffffff, SUCCESS},
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{0xfffffffffffffff0, 0, 8, 0x0000000000000000, FAIL},
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{0xffffffffffffffff,32,32, 0x0000000000000000, FAIL},
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//{0xffffffffffffffff,64, 1, 0x0000000000000000, ASSERT}, // Throw an assert
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//{0xffffffffffffffff, 0,65, 0x0000000000000000, ASSERT}, // Throw an assert
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//{0xffffffffffffffff,33,32, 0x0000000000000000, ASSERT}, // Throw an assert
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};
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int test()
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{
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glm::uint32 count = sizeof(Data64) / sizeof(typeU64);
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for(glm::uint32 i = 0; i < count; ++i)
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{
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glm::uint64 Return = glm::extractField(
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Data64[i].Value,
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Data64[i].BitFirst,
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Data64[i].BitCount);
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bool Compare = Data64[i].Return == Return;
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if(Data64[i].Result == SUCCESS && Compare)
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continue;
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else if(Data64[i].Result == FAIL && !Compare)
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continue;
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std::cout << "glm::extractfield test fail on test " << i << std::endl;
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return 1;
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}
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return 0;
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}
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}//extractField
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namespace bitRevert
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{
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template <typename genType>
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struct type
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{
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genType Value;
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genType Return;
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result Result;
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};
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typedef type<glm::uint64> typeU64;
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typeU64 const Data64[] =
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{
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{0xffffffffffffffff, 0xffffffffffffffff, SUCCESS},
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{0x0000000000000000, 0x0000000000000000, SUCCESS},
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{0xf000000000000000, 0x000000000000000f, SUCCESS},
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};
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int test()
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{
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glm::uint32 count = sizeof(Data64) / sizeof(typeU64);
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for(glm::uint32 i = 0; i < count; ++i)
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{
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glm::uint64 Return = glm::bitRevert(
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Data64[i].Value);
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bool Compare = Data64[i].Return == Return;
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if(Data64[i].Result == SUCCESS && Compare)
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continue;
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else if(Data64[i].Result == FAIL && !Compare)
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continue;
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std::cout << "glm::extractfield test fail on test " << i << std::endl;
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return 1;
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}
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return 0;
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}
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}//bitRevert
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int main()
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{
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bool Error = 0;
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Error += ::extractField::test();
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Error += ::bitRevert::test();
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return Error;
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}
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