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/*
Copyright (c) 2014 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
extern "C" {
#include "stdlib.h"
#include "stdint.h"
}
#include "WMath.h"
extern void randomSeed( uint32_t dwSeed )
{
if ( dwSeed != 0 )
{
srand( dwSeed ) ;
}
}
extern long random( long howbig )
{
if ( howbig == 0 )
{
return 0 ;
}
return rand() % howbig;
}
extern long random( long howsmall, long howbig )
{
if (howsmall >= howbig)
{
return howsmall;
}
long diff = howbig - howsmall;
return random(diff) + howsmall;
}
extern long map(long x, long in_min, long in_max, long out_min, long out_max)
{
return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
extern uint16_t makeWord( uint16_t w )
{
return w ;
}
extern uint16_t makeWord( uint8_t h, uint8_t l )
{
return (h << 8) | l ;
}
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