Search found 262 matches
- Tue Nov 25, 2014 4:45 pm
- Forum: Component Pascal
- Topic: Quick Quiz #1 - DIV and MOD
- Replies: 11
- Views: 25982
Re: Quick Quiz #1 - DIV and MOD
Please note that C does not have a MOD operator at all (if I remember correctly). It has a 'remainder' operator. Most CPUs have a remainder operation in hardware, not a MOD operation. The difference shows up for negative dividends. The MOD function is actually meaningless for negative divisors becau...
- Tue Nov 19, 2013 7:25 am
- Forum: Component Pascal
- Topic: Numerical Analysis
- Replies: 13
- Views: 35144
Re: Numerical Analysis
I would avoid the common sub-expression u * u + v * v by evaluating
it only once and storing it in an auxiliary variable.
This is (1) faster and (2) more predictable with respect to floating
point precision.
- Josef
it only once and storing it in an auxiliary variable.
This is (1) faster and (2) more predictable with respect to floating
point precision.
- Josef