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Reorganizing source code. Created util dir

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-20 10:19:38 -07:00
parent 630ba0c675
commit 2c464d413d
153 changed files with 0 additions and 0 deletions
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src/util/inf_int_rational.cpp Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
inf_int_rational.cpp
Abstract:
Rational numbers with infenitesimals
Author:
Nikolaj Bjorner (nbjorner) 2006-12-05.
Revision History:
--*/
#include<sstream>
#include"inf_int_rational.h"
inf_int_rational inf_int_rational::m_zero(0);
inf_int_rational inf_int_rational::m_one(1);
inf_int_rational inf_int_rational::m_minus_one(-1);
std::string inf_int_rational::to_string() const {
if (m_second == 0) {
return m_first.to_string();
}
std::ostringstream s;
s << "(" << m_first.to_string();
if (m_second < 0) {
s << " -e*" << (-m_second) << ")";
}
else {
s << " +e*" << m_second << ")";
}
return s.str();
}