glm/glm/gtx/unsigned_int.inl
2011-06-10 16:45:17 +01:00

42 lines
1.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2005-12-24
// Updated : 2008-10-07
// Licence : This source is under MIT License
// File : glm/gtx/unsigned_int.inl
///////////////////////////////////////////////////////////////////////////////////////////////////
namespace glm{
GLM_FUNC_QUALIFIER uint pow(uint x, uint y)
{
uint result = x;
for(uint i = 1; i < y; ++i)
result *= x;
return result;
}
GLM_FUNC_QUALIFIER uint sqrt(uint x)
{
if(x <= 1) return x;
uint NextTrial = x >> 1;
uint CurrentAnswer;
do
{
CurrentAnswer = NextTrial;
NextTrial = (NextTrial + x / NextTrial) >> 1;
} while(NextTrial < CurrentAnswer);
return CurrentAnswer;
}
GLM_FUNC_QUALIFIER uint mod(uint x, uint y)
{
return x - y * (x / y);
}
}//namespace glm