prePEP: Decimal data type

Batista, Facundo FBatista at uniFON.com.ar
Tue Nov 4 12:16:05 EST 2003


Emile van Sebille wrote:

#- > 3. To exist a Context.  The context represents the user-selectable
#- > parameters
#- >    and rules which govern the results of arithmetic 
#- operations.  In the
#- >    context the user defines:
#- >
#- >        - what will happen with the exceptional conditions.
#- >        - what precision will be used
#- >        - what rounding method will be used
#- >
#- > 4. The Context must be omnipresent, meaning that changes 
#- to it affects all
#- >    the current and future Decimal instances.
#- 
#- Does this imply then that there is unlimited precision being 
#- maintained
#- under the covers?

No, why?

Under the cover you got:

	- sign
	- coefficient (just several decimal digits, fixed in quantity)
	- exponent

.	Facundo





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