There ought to be severe penalties for idiots that use

floating point dollars for financial applications.

If forced to use floating point (e.g. because customer

demands BASIC), then keep money amounts in whole pennies

(or whatever the smallest currency unit for the country

is), and divide by 100 (or whatever) for printing only (or

just add the decimal point yourself).

In many circumstances this is exactly what you can't do.floating point dollars for financial applications.

If forced to use floating point (e.g. because customer

demands BASIC), then keep money amounts in whole pennies

(or whatever the smallest currency unit for the country

is), and divide by 100 (or whatever) for printing only (or

just add the decimal point yourself).

The minute you need to calculate percentages you will get in to

the things like .0001254 of a cent, no matter what is you

smallest unit of currency.

I worked for a insurance company (using Business Basic) many

years ago on MAI and Prime gear, and we did everything as floats

with 14 places after the decimal point,and only rounded when

a human needed to see a number, and then used standard accounting

practices for rounding,

Rgds

Tim

base, use 10,000ths of a penny, but still use integer arithmetic

for your calculations.

Floating point has too many rounding errors to be trustworthy;

or, looking at it from another angle, floating-point calculations

cannot be 100% accurate because of the way it's implemented.

-gustavo

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