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Rationalize the "pos" function

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"pos" now returns 1 if the argument is greater than 0, otherwise it returns 0.
This is consistent with the common mathematical definition of the "pos" function:

https://en.wikipedia.org/wiki/Sign_(mathematics)

However the previous implementation in which 1 was also returned for a 0
argument is useful in many situations so the "pos0" has been added which returns
1 if the argument is greater or equal to 0.  Additionally the "neg0" has been
added which returns 1 if if the argument is less than or equal to 0.
This commit is contained in:
Henry Weller
2017-06-22 14:32:18 +01:00
committed by Andrew Heather
parent 639305e960
commit 56bfc75949
96 changed files with 269 additions and 196 deletions
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6
src/meshTools/triSurface/triSurfaceSearch/triSurfaceSearch.C
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@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\/ M anipulation | Copyright (C) 2015-2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
@ -109,10 +109,10 @@ bool Foam::triSurfaceSearch::checkUniqueHit
surface().faceNormals()[edgeFacei];
const label signCurrHit =
pos(currHitNormal & lineVec);
pos0(currHitNormal & lineVec);
const label signExistingHit =
pos(existingHitNormal & lineVec);
pos0(existingHitNormal & lineVec);
if (signCurrHit == signExistingHit)
{