External Interfaces/API Reference

mexGetNaN

Get the value of NaN (Not-a-Number)

Fortran Syntax

real*8 function mexGetNan()

Arguments
none
  

Returns

MATLAB's value of NaN (Not-a-Number).

Description

Call mexGetNaN to return the value of NaN for MATLAB. NaN is the IEEE arithmetic representation for Not-a-Number. Certain mathematical operations return NaN as a result, for example:

• 0.0/0.0
• Inf-Inf

See Also

mexGetEps, mexGetInf

mexGetMatrixPtr

mexIsFinite