// // Copyright 2021 The Go Authors. All rights reserved.
// // Use of this source code is governed by a BSD-style
// // license that can be found in the LICENSE file.
// package rand
// func Int31nForTest(r *Rand, n int32) int32 {
// return r.int31n(n)
// }
// func GetNormalDistributionParameters() (float64, [128]uint32, [128]float32, [128]float32) {
// return rn, kn, wn, fn
// }
// func GetExponentialDistributionParameters() (float64, [256]uint32, [256]float32, [256]float32) {
// return re, ke, we, fe
// }