LibreOffice Module sc (master)  1
math.hxx
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19 
20 #pragma once
21 
22 #include <formula/errorcodes.hxx>
23 
24 namespace sc {
25 
29 inline double div( const double& fNumerator, const double& fDenominator )
30 {
31  return (fDenominator != 0.0) ? (fNumerator / fDenominator) :
32  CreateDoubleError( FormulaError::DivisionByZero);
33 }
34 
49 inline double divide( const double& fNumerator, const double& fDenominator )
50 {
51  if (fDenominator == 0.0)
52  {
53  if (std::isfinite( fNumerator) && fNumerator != 0.0)
54  return std::signbit(fNumerator) ? -std::numeric_limits<double>::infinity()
55  : std::numeric_limits<double>::infinity();
56  return std::numeric_limits<double>::quiet_NaN();
57  }
58  return fNumerator / fDenominator;
59 }
60 
66 double power( const double& fVal1, const double& fVal2 );
67 
68 }
69 
70 /* 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:49
CAUTION! The following defines must be in the same namespace as the respective type.
double power(const double &fVal1, const double &fVal2)
Return pow(fVal1,fVal2) with error handling.
Definition: math.cxx:30
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:29