ewol/Sources/libetk/etk/tool.cpp

41 lines
981 B
C++

/**
*******************************************************************************
* @file etk/tool.cpp
* @brief Ewol Tool Kit : generique tools (Sources)
* @author Edouard DUPIN
* @date 26/06/2012
* @par Project
* Ewol TK
*
* @par Copyright
* Copyright 2011 Edouard DUPIN, all right reserved
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY.
*
* Licence summary :
* You can modify and redistribute the sources code and binaries.
* You can send me the bug-fix
*
* Term of the licence in in the file licence.txt.
*
*******************************************************************************
*/
#include <etk/tool.h>
// for the rand ...
#include <time.h>
#include <math.h>
float etk::tool::frand(float a, float b)
{
return ( rand()/(float)RAND_MAX ) * (b-a) + a;
}
int32_t etk::tool::irand(int32_t a, int32_t b)
{
return (int32_t)(( rand()/(float)RAND_MAX ) * ((float)b-(float)a) + (float)a);
}