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IsInffunction

Numeric DatatypesfunctionAfxComplex.incdocumented

Syntax

FUNCTION IsInf (BYVAL x AS DOUBLE) AS LONG
Also documented as IsInfinity — one description covers them all.

Parameters

NameDescription
xA double value.

Description

Determines whether the argument is an infinity.

Remarks

Returns +1 if x is positive infinity, -1 if x is negative infinity and 0 otherwise.

Reference

  • Include file AfxComplex.inc
  • Defined in AfxNova/AfxComplex.inc:146
  • Documented in Numeric Datatypes/Complex Numbers Procedures.md
  • Topic: Complex Numbers Procedures