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I closely approximated
what I want to achieve by dividing the output of the function by 4.
Now all numbers lie between -1 and 1 about 99.9% of the time. Close enough
:-)
function gauss_func() {
w = 1;
while( w >= 1 ) {
x1 = 2.0 * LastValue(Random()) - 1;
x2 = 2.0 * LastValue(Random()) - 1;
w = x1 * x1 + x2 * x2;
}
w = sqrt( (-2 * log(w)) / w );
y1 = x1 * w;
//y2 = x2 * w;
return y1 / 4;
}
// fill array with ranom
numbers
hh = 0;
for (i = 0; i < BarCount;
i++) {
hh[ i ] = gauss_func();
}
Plot(hh,"Gaussian distributed random
numbers",colorWhite,8 | 16);
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