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Forum: Programming 2020-01-12, 04:20
Replies: 43
Views: 25,114
Posted By axn
Does the modified code sequence actually result...

Does the modified code sequence actually result in any reduction in time or is it DOA?

How does one go about doing error analysis? In theory, the code is computing the same polynomial as the...
Forum: Programming 2020-01-11, 08:05
Replies: 43
Views: 25,114
Posted By axn
Using Knuth to optimize the mul count: double...

Using Knuth to optimize the mul count:
double __kernel_sin(double x)
{
const double
A0 = -1.30608015549532788940e+02,
A1 = 1.23312777810503624981e+04,
A2 = ...
Forum: Programming 2020-01-10, 04:27
Replies: 43
Views: 25,114
Posted By axn
r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))); ...

r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6)))));
Knuth does cover speeding this part up by reducing the number of multiplications.
Forum: Programming 2020-01-10, 03:10
Replies: 43
Views: 25,114
Posted By axn
http://people.math.sfu.ca/~cbm/aands/

http://people.math.sfu.ca/~cbm/aands/
Forum: Programming 2020-01-09, 13:39
Replies: 43
Views: 25,114
Posted By axn
I have TAoCP with me, but a quick look didn't...

I have TAoCP with me, but a quick look didn't give any formula for sine/cosine.
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