x02am Method
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x02am returns the safe range of floating-point arithmetic.

Syntax

C#
public static double x02am()
Visual Basic (Declaration)
Public Shared Function x02am As Double
Visual C++
public:
static double x02am()
F#
static member x02am : unit -> float 

Return Value

x02am returns the safe range of floating-point arithmetic.

Description

x02am is defined to be the smallest positive model number z such that for any x in the range [z,1/z] the following can be computed without undue loss of accuracy, overflow, underflow or other error:
  • -x
  • 1/x
  • -1/x
  • x
  • logx
  • explogx
  • y logx / logy  for any y 

References

Error Indicators and Warnings

Accuracy

Further Comments

See Also