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ENH: allow default parameter for Tuple2 (#1827)

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- simplifies cases where Tuple2 is used as a Pair replacement
  (for output format reasons)
This commit is contained in:
Mark Olesen 2020-09-04 11:39:43 +02:00
parent 1c71c7cb23
commit fbfcdfc723
2 changed files with 34 additions and 29 deletions
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61
applications/test/Tuple2/Test-Tuple2.C
View File

@ -6,7 +6,7 @@
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2011 OpenFOAM Foundation
Copyright (C) 2019 OpenCFD Ltd.
Copyright (C) 2019-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -52,7 +52,7 @@ struct special1
bool operator()(const type& a, const type& b) const
{
int val = compareOp<label>()(a.first(), b.first());
const label val = compareOp<label>()(a.first(), b.first());
return (val == 0) ? (b.second() < a.second()) : (val < 0);
}
};
@ -66,29 +66,36 @@ struct special2
bool operator()(const type& a, const type& b) const
{
scalar val = compareOp<scalar>()(a.second(), b.second());
const scalar val = compareOp<scalar>()(a.second(), b.second());
return (val == 0) ? (b.first() < a.first()) : (val < 0);
}
};
// Print info
void printTuple2(const Tuple2<word, word>& t)
// Print content and info
void printTuple2(const word& f, const word& s)
{
Info<< "tuple: " << t << nl;
Info<< "first @: " << name(t.first().data()) << nl;
Info<< "second @: " << name(t.second().data()) << nl;
Info<< '(' << f << ' ' << s << ") @ "
<< name(f.data()) << ','
<< name(s.data()) << nl;
}
// Print info
// Print content and info
void printTuple2(const Tuple2<word, word>& t)
{
Info<< "tuple: " << t << " @ "
<< name(t.first().data()) << ','
<< name(t.second().data()) << nl;
}
// Print content and info
void printTuple2(const Pair<word>& t)
{
Info<< "tuple: " << t << nl;
Info<< "first @: " << name(t.first().data()) << nl;
Info<< "second @: " << name(t.second().data()) << nl;
Info<< "tuple: " << t << " @ "
<< name(t.first().data()) << ','
<< name(t.second().data()) << nl;
}
@ -99,14 +106,12 @@ int main()
{
typedef Tuple2<label, scalar> indexedScalar;
Info<< "null constructed Tuple: " << indexedScalar() << nl;
Info<< "null constructed Pair: " << Pair<scalar>() << nl;
Info<< "Default constructed Tuple: " << indexedScalar() << nl;
Info<< "Default constructed Pair: " << Pair<scalar>() << nl;
indexedScalar t2(1, 3.2);
Info<< "Foam::Tuple2: "
<< t2 << " => "
<< t2.first() << ' ' << t2.second() << nl;
Info<< "Foam::Tuple2: " << t2 << nl;
// As list. Generated so that we have duplicate indices
List<indexedScalar> list1(3*4);
@ -230,30 +235,30 @@ int main()
word word1("hello");
word word2("word");
Info<< "create with " << word1 << " @ " << name(word1.data())
<< " " << word2 << " @ " << name(word2.data()) << nl;
Info<< "create with ";
printTuple2(word1, word2);
Tuple2<word, word> tup(std::move(word2), std::move(word1));
Tuple2<word> tup(std::move(word2), std::move(word1));
printTuple2(tup);
Info<< "input is now " << word1 << " @ " << name(word1.data())
<< " " << word2 << " @ " << name(word2.data()) << nl;
Info<< "input is now ";
printTuple2(word1, word2);
}
{
word word1("hello");
word word2("word");
Info<< "create with " << word1 << " @ " << name(word1.data())
<< " " << word2 << " @ " << name(word2.data()) << nl;
Info<< "create with ";
printTuple2(word1, word2);
Pair<word> tup(std::move(word2), std::move(word1));
printTuple2(tup);
Info<< "input is now " << word1 << " @ " << name(word1.data())
<< " " << word2 << " @ " << name(word2.data()) << nl;
Info<< "input is now ";
printTuple2(word1, word2);
}
Info<< "\nEnd\n" << endl;

2
src/OpenFOAM/primitives/Tuple2/Tuple2.H
View File

@ -54,7 +54,7 @@ namespace Foam
Class Tuple2 Declaration
\*---------------------------------------------------------------------------*/
template<class T1, class T2>
template<class T1, class T2 = T1>
class Tuple2
{
// Private Data