glm/test/gtx/gtx_bit.cpp

///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2010-09-16
// Updated : 2010-09-16
// Licence : This source is under MIT licence
// File    : test/gtx/bit.cpp
///////////////////////////////////////////////////////////////////////////////////////////////////

#include <glm/gtx/bit.hpp>
#include <glm/gtc/type_precision.hpp>

#if(GLM_ARCH != GLM_ARCH_PURE)
#	include <glm/detail/intrinsic_integer.hpp>
#endif

#include <vector>
#include <ctime>
#include <cstdio>

enum result
{
	SUCCESS,
	FAIL,
	ASSERT,
	STATIC_ASSERT
};

namespace bitRevert
{
	template <typename genType>
	struct type
	{
		genType		Value;
		genType		Return;
		result		Result;
	};

	typedef type<glm::uint64> typeU64;

#if(((GLM_COMPILER & GLM_COMPILER_GCC) == GLM_COMPILER_GCC) && (GLM_COMPILER < GLM_COMPILER_GCC44))
	typeU64 const Data64[] =
	{
		{0xffffffffffffffffLLU, 0xffffffffffffffffLLU, SUCCESS},
		{0x0000000000000000LLU, 0x0000000000000000LLU, SUCCESS},
		{0xf000000000000000LLU, 0x000000000000000fLLU, SUCCESS},
	};
#else
	typeU64 const Data64[] =
	{
		{0xffffffffffffffff, 0xffffffffffffffff, SUCCESS},
		{0x0000000000000000, 0x0000000000000000, SUCCESS},
		{0xf000000000000000, 0x000000000000000f, SUCCESS},
	};
#endif

	int test()
	{
		glm::uint32 count = sizeof(Data64) / sizeof(typeU64);
		
		for(glm::uint32 i = 0; i < count; ++i)
		{
			glm::uint64 Return = glm::bitRevert(
				Data64[i].Value);
			
			bool Compare = Data64[i].Return == Return;
			
			if(Data64[i].Result == SUCCESS && Compare)
				continue;
			else if(Data64[i].Result == FAIL && !Compare)
				continue;
			
			printf("glm::extractfield test fail on test %d\n", i);
			return 1;
		}
		
		return 0;
	}
}//bitRevert

int main()
{
	int Error(0);

	Error += ::bitRevert::test();

	return Error;
}