assert(false)

[Ali Çehreli]

On 06/21/2013 02:56 AM, Joseph Rushton Wakeling wrote:

 > I did also have to think about it for a few seconds.  You have
 > a sum of values from an array; you generate a
 > uniformly-distributed random number point in [0.0, sum); you
 > sequentially sum values from the same array, and return when
 > that partial sum ("mass") exceeds the value of point.  Since
 > point < sum you must do this eventually

I spent a considerable amount of time reading that function as well. :)

I was afraid whether two separate floating point sums would give the 
same result. After all, the initial sum is a 'double' but the type of 
the elements of 'proportions' may be different. (I don't know the answer.)

Ali