/// <summary>
/// Returns a uniformly distributed double in the closed interval
/// [0.0, 1.0]. Note, that two random values are used to make all 53
/// bits random.
/// </summary>
public static double UniformDoubleFullClosed(this IRandomUniform rnd)
{
if (rnd.GeneratesFullDoubles)
{
return(rnd.UniformDoubleClosed());
}
long r = ((~0xfL & (long)rnd.UniformInt()) << 22)
| ((long)rnd.UniformInt() >> 5);
return(r * (1.0 / 9007199254740991.0));
}
public static V3d UniformV3dClosed(this IRandomUniform rnd, Box3d box)
{
return(box.Lerp(rnd.UniformDoubleClosed(),
rnd.UniformDoubleClosed(),
rnd.UniformDoubleClosed()));
}
public static V3d UniformV3dClosed(this IRandomUniform rnd)
{
return(new V3d(rnd.UniformDoubleClosed(),
rnd.UniformDoubleClosed(),
rnd.UniformDoubleClosed()));
}
public static V2d UniformV2dClosed(this IRandomUniform rnd, Box2d box)
{
return(new V2d(box.Min.X + rnd.UniformDoubleClosed() * (box.Max.X - box.Min.X),
box.Min.Y + rnd.UniformDoubleClosed() * (box.Max.Y - box.Min.Y)));
}