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Contents
/////////////////////////////////////////////////////////////////////
// = NMatrix
//
// A linear algebra library for scientific computation in Ruby.
// NMatrix is part of SciRuby.
//
// NMatrix was originally inspired by and derived from NArray, by
// Masahiro Tanaka: http://narray.rubyforge.org
//
// == Copyright Information
//
// SciRuby is Copyright (c) 2010 - 2013, Ruby Science Foundation
// NMatrix is Copyright (c) 2013, Ruby Science Foundation
//
// Please see LICENSE.txt for additional copyright notices.
//
// == Contributing
//
// By contributing source code to SciRuby, you agree to be bound by
// our Contributor Agreement:
//
// * https://github.com/SciRuby/sciruby/wiki/Contributor-Agreement
//
// == util.h
//
// Header file for utility functions and data.
#ifndef UTIL_H
#define UTIL_H
/*
* Standard Includes
*/
/*
* Project Includes
*/
#include "types.h"
/*
* Macros
*/
/*
* Types
*/
/*
* Data
*/
/*
* Functions
*/
namespace nm {
template <typename Type>
inline Type gcf(Type x, Type y) {
Type t;
if (x < 0) x = -x;
if (y < 0) y = -y;
if (x == 0) return y;
if (y == 0) return x;
while (x > 0) {
t = x;
x = y % x;
y = t;
}
return y;
}
} // end of namespace nm
#endif // UTIL_H
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6 entries across 6 versions & 1 rubygems