LibreOffice Module sc (master)  1
math.hxx
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19 
20 #pragma once
21 
22 #include <formula/errorcodes.hxx>
23 #include <rtl/math.hxx>
24 
25 namespace sc {
26 
30 inline double div( const double& fNumerator, const double& fDenominator )
31 {
32  return (fDenominator != 0.0) ? (fNumerator / fDenominator) :
33  CreateDoubleError( FormulaError::DivisionByZero);
34 }
35 
50 inline double divide( const double& fNumerator, const double& fDenominator )
51 {
52  if (fDenominator == 0.0)
53  {
54  double fVal;
55  if (std::isfinite( fNumerator) && fNumerator != 0.0)
56  {
57  rtl::math::setInf( &fVal, std::signbit( fNumerator));
58  }
59  else
60  {
61  rtl::math::setNan( &fVal);
62  }
63  return fVal;
64  }
65  return fNumerator / fDenominator;
66 }
67 
73 double power( const double& fVal1, const double& fVal2 );
74 
75 }
76 
77 /* 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:50
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:30