External Interfaces/API Reference

mxGetInf

Get the value of infinity

Fortran Syntax

• real*8 function mxGetInf
  

Returns

The value of infinity on your system.

Description

Call mxGetInf to return the value of the MATLAB internal inf variable. inf is a permanent variable representing IEEE arithmetic positive infinity. The value of inf is built into the system. You cannot modify it.

Operations that return infinity include:

• Division by 0. For example, 5/0 returns infinity.
• Operations resulting in overflow. For example, exp(10000) returns infinity because the result is too large to be represented on your machine.

See Also

mxGetEps, mxGetNaN

mxGetImagData

mxGetIr