# naginterfaces.library.machine.real_​safe¶

naginterfaces.library.machine.real_safe()[source]

real_safe returns the safe range of floating-point arithmetic.

For full information please refer to the NAG Library document for x02am

https://www.nag.com/numeric/nl/nagdoc_28.7/flhtml/x02/x02amf.html

Returns
saferangefloat

The safe range of floating-point arithmetic.

Notes

real_safe is defined to be the smallest positive model number such that for any in the range [] the following can be computed without undue loss of accuracy, overflow, underflow or other error:

for any