3688a17b45
0.67 2017-09-23
[ADDED]
- lastfor stops forprimes (etc.) iterations
- is_square(n) returns 1 if n is a perfect square
- is_polygonal(n,k) returns 1 if n is a k-gonal number
[FUNCTIONALITY AND PERFORMANCE]
- shuffle prototype is @ instead of ;@, so matches List::Util.
- On Perl 5.8 and earlier we will call PP instead of trying
direct-to-GMP. Works around a bug in XS trying to turn the
result into an object where 5.8.7 and earlier gets lost.
- We create more const integers, which speeds up common uses of
permutations.
- CSPRNG now stores context per-thread rather than using a single
mutex-protected context. This speeds up anything using random
numbers a fair amount, especially with threaded Perls.
- With the above two optimizations, randperm(144) is 2.5x faster.
- threading test has threaded srand/irand test added back in, showing
context is per-thread. Each thread gets its own sequence and calls
to srand/csrand and using randomness doesn't impact other threads.
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