1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <random>
// template<class RealType = double>
// class piecewise_constant_distribution
// explicit piecewise_constant_distribution(const param_type& parm);
#include <random>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
typedef std::piecewise_constant_distribution<> D;
typedef D::param_type P;
double b[] = {10, 14, 16, 17};
double p[] = {25, 62.5, 12.5};
P pa(b, b+4, p);
D d(pa);
std::vector<double> iv = d.intervals();
assert(iv.size() == 4);
assert(iv[0] == 10);
assert(iv[1] == 14);
assert(iv[2] == 16);
assert(iv[3] == 17);
std::vector<double> dn = d.densities();
assert(dn.size() == 3);
assert(dn[0] == .0625);
assert(dn[1] == .3125);
assert(dn[2] == .125);
}
return 0;
}
|
