LibreOffice Module sc (master)  1
math.hxx
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19 
20 #ifndef INCLUDED_SC_INC_MATH_HXX
21 #define INCLUDED_SC_INC_MATH_HXX
22 
23 #include <formula/errorcodes.hxx>
24 #include <rtl/math.hxx>
25 
26 namespace sc {
27 
31 inline double div( const double& fNumerator, const double& fDenominator )
32 {
33  return (fDenominator != 0.0) ? (fNumerator / fDenominator) :
34  CreateDoubleError( FormulaError::DivisionByZero);
35 }
36 
51 inline double divide( const double& fNumerator, const double& fDenominator )
52 {
53  if (fDenominator == 0.0)
54  {
55  double fVal;
56  if (std::isfinite( fNumerator) && fNumerator != 0.0)
57  {
58  rtl::math::setInf( &fVal, std::signbit( fNumerator));
59  }
60  else
61  {
62  rtl::math::setNan( &fVal);
63  }
64  return fVal;
65  }
66  return fNumerator / fDenominator;
67 }
68 
74 double power( const double& fVal1, const double& fVal2 );
75 
76 }
77 
78 #endif
79 
80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
double divide(const double &fNumerator, const double &fDenominator)
Return fNumerator/fDenominator if fDenominator!=0 else +-Infinity if fNumerator!=0 or NaN if fNumerat...
Definition: math.hxx:51
double power(const double &fVal1, const double &fVal2)
Return pow(fVal1,fVal2) with error handling.
Definition: math.cxx:29
double CreateDoubleError(FormulaError nErr)
double div(const double &fNumerator, const double &fDenominator)
Return fNumerator/fDenominator if fDenominator!=0 else #DIV/0! error coded into double.
Definition: math.hxx:31