VISH
0.2
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virtual string Wizt::VScalarFunctor::Functor::Expression | ( | const string & | funcname | ) | const [pure virtual] |
Return a string describing the actual operation on scalar values.
It must conform to a function definition as required by OpenGL shader language, i.e. in GSGL format. For instance:
float f(float value) { return value*100; }
whereby the name of the function is as given by the parameter.