What is neg(s)?
What is the meanings about the operation neg(s)?
If s < 0, neg(s) = s ;
if s = 0, neg(s) = 0 ;
if s > 0, neg(s) = 0 .
Am I right. Pain for it!!
Have a look in $FOAM_SRC/OpenFOAM/lnInclude/Scalar.H where is states:
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