func frequencyTest(gen *Generator, d, iters int64) float64 {
bins := make([]int64, d)
for n := int64(0); n < iters; n++ {
bins[gen.UniformInt(0, d-1)]++
}
probs := make([]float64, d)
for i, _ := range probs {
probs[i] = 1 / float64(d)
}
_, prob := rec.ChiSqr(bins, probs)
return prob
}
func serialTest(gen *Generator, d, iters int64) float64 {
bins := make([]int64, d*d)
for n := int64(0); n < iters; n++ {
x, y := gen.UniformInt(0, d-1), gen.UniformInt(0, d-1)
bins[y*d+x]++
}
probs := make([]float64, d*d)
for i, _ := range probs {
probs[i] = 1 / float64(d*d)
}
_, prob := rec.ChiSqr(bins, probs)
return prob
}