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ScaleI.H
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24 \*---------------------------------------------------------------------------*/
25 
26 #include "Scale.H"
27 
28 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
29 
30 template<class Type>
31 inline Type Foam::Function1s::Scale<Type>::value(const scalar x) const
32 {
33  const scalar sx = xScale_->value(x)*x;
34  return scale_->value(sx)*value_->value(sx);
35 }
36 
37 
38 template<class Type>
40 (
41  const scalar x1,
42  const scalar x2
43 ) const
44 {
45  if (integrableScale_)
46  {
47  const scalar sx = xScale_->value(NaN);
48  return scale_->value(NaN)*value_->integral(sx*x1, sx*x2)/sx;
49  }
50 
51  if (integrableValue_)
52  {
53  const scalar sx = xScale_->value(NaN);
54  return scale_->integral(sx*x1, sx*x2)/sx*value_->value(NaN);
55  }
56 
58  << "Integration is not defined for " << type() << " functions "
59  << "unless x-scaling is constant and either scaling is constant or "
60  << "the value is constant"
61  << exit(FatalError);
62 
63  return Zero;
64 }
65 
66 
67 // ************************************************************************* //
errorManipArg< error, int > exit(error &err, const int errNo=1)
Definition: errorManip.H:124
error FatalError
#define FatalErrorInFunction
Report an error message using Foam::FatalError.
Definition: error.H:306
static const zero Zero
Definition: zero.H:97
virtual Type integral(const scalar x1, const scalar x2) const
Integrate between two values.
Definition: ScaleI.H:40
virtual Type value(const scalar x) const
Return value.
Definition: ScaleI.H:31
fileType type(const fileName &, const bool checkVariants=true, const bool followLink=true)
Return the file type: directory or file.
Definition: POSIX.C:488