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Helper function for linear interpolation

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Simon Robertshaw 2012-11-18 22:24:56 +00:00
parent 045f5e14c2
commit f3307e47a8
1 changed files with 7 additions and 0 deletions
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7
src/Misc.h
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@ -26,6 +26,13 @@ static char hex[] = "0123456789ABCDEF";
char *exe_name(void);
//Linear interpolation
template <typename T> inline T LinearInterpolate(T val1, T val2, T lowerCoord, T upperCoord, T coord)
{
if(lowerCoord == upperCoord) return val1;
return (((val2 - val1) / (upperCoord - lowerCoord)) * (coord - lowerCoord)) + val1;
}
//Signum function
int isign(float i);