uLabel.C
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25 
26 #include "error.H"
27 #include "uLabel.H"
28 
29 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
30 
31 #if WM_LABEL_SIZE == 32
32 const char* const Foam::pTraits<uint64_t>::typeName = "uint64";
33 const char* const Foam::pTraits<uint32_t>::typeName = "uLabel";
34 #elif WM_LABEL_SIZE == 64
35 const char* const Foam::pTraits<uint64_t>::typeName = "uLabel";
36 const char* const Foam::pTraits<uint32_t>::typeName = "uint32";
37 #endif
38 
39 
40 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
41 
43 {
44  uLabel ans = 1;
45  for (uLabel i=0; i<b; i++)
46  {
47  ans *= a;
48  }
49 
50  return ans;
51 }
52 
53 
55 {
56  static uLabel factTable[13] =
57  {
58  1, 1, 2, 6, 24, 120, 720, 5040, 40320,
59  362880, 3628800, 39916800, 479001600
60  };
61 
62  #ifdef FULLDEBUG
63  if (n > 12)
64  {
66  << "n value out of range (> 12)"
67  << abort(FatalError);
68  }
69  #endif
70 
71  return factTable[n];
72 }
73 
74 
75 // ************************************************************************* //
label n
Traits class for primitives.
Definition: pTraits.H:53
#define FatalErrorInFunction
Report an error message using Foam::FatalError.
Definition: error.H:306
volScalarField & b
Definition: createFields.H:27
errorManip< error > abort(error &err)
Definition: errorManip.H:131
dimensionedScalar pow(const dimensionedScalar &ds, const dimensionedScalar &expt)
uintWM_LABEL_SIZE_t uLabel
A uLabel is an uint32_t or uint64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: uLabel.H:59
label factorial(label n)
Return n! : 0 < n <= 12.
Definition: label.C:63
error FatalError