isNegative        184 3rdparty/openexr/Half/half.h     bool		isNegative () const;
isNegative        161 3rdparty/openexr/Half/halfFunction.h         _lut[i] = x.isNegative()? negInfValue: posInfValue;
isNegative         90 3rdparty/openexr/IlmImf/ImfConvert.cpp     if (h.isNegative() || h.isNan())
isNegative        103 3rdparty/openexr/IlmImf/ImfConvert.cpp     if (isNegative (f) || isNan (f))