SquidMath.cc
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1/*
2 * Copyright (C) 1996-2022 The Squid Software Foundation and contributors
3 *
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
7 */
8
9#include "squid.h"
10#include "SquidMath.h"
11
12int
13Math::intPercent(const int a, const int b)
14{
15 return b ? ((int) (100.0 * a / b + 0.5)) : 0;
16}
17
18int64_t
19Math::int64Percent(const int64_t a, const int64_t b)
20{
21 return b ? ((int64_t) (100.0 * a / b + 0.5)) : 0;
22}
23
24double
25Math::doublePercent(const double a, const double b)
26{
27 return b ? (100.0 * a / b) : 0.0;
28}
29
30double
31Math::doubleAverage(const double cur, const double newD, int N, const int max)
32{
33 if (N > max)
34 N = max;
35
36 return (cur * (N - 1.0) + newD) / N;
37}
38
39int
40Math::intAverage(const int cur, const int newI, int n, const int max)
41{
42 if (n > max)
43 n = max;
44
45 return (cur * (n - 1) + newI) / n;
46}
47
int cur
Definition: ModDevPoll.cc:74
A const & max(A const &lhs, A const &rhs)
int intPercent(const int a, const int b)
Definition: SquidMath.cc:13
double doubleAverage(const double, const double, int, const int)
Definition: SquidMath.cc:31
double doublePercent(const double, const double)
Definition: SquidMath.cc:25
int64_t int64Percent(const int64_t a, const int64_t b)
Definition: SquidMath.cc:19
int intAverage(const int, const int, int, const int)
Definition: SquidMath.cc:40
int unsigned int
Definition: stub_fd.cc:19

 

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