File: almost_equal.ipp

package info (click to toggle)
boost1.90 1.90.0-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 593,120 kB
  • sloc: cpp: 4,190,908; xml: 196,648; python: 34,618; ansic: 23,145; asm: 5,468; sh: 3,774; makefile: 1,161; perl: 1,020; sql: 728; ruby: 676; yacc: 478; java: 77; lisp: 24; csh: 6
file content (20 lines) | stat: -rw-r--r-- 524 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#ifndef BOOST_MATH_ALMOST_EQUAL_HPP
#define BOOST_MATH_ALMOST_EQUAL_HPP

// Copyright (c) 2006 Johan Rade

// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <cmath>

template<class ValType>
bool almost_equal(ValType a, ValType b)
{
    const ValType e = static_cast<ValType>(0.00001);
    return (a - e * std::abs(a) <= b + e * std::abs(b))
        && (a + e * std::abs(a) >= b - e * std::abs(b));
}

#endif