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big: Add _private_mul_karatsuba.

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Jeroen van Rijn
2021-08-16 16:10:10 +02:00
parent 5f072591ba
commit 8b49bbb0fc
5 changed files with 116 additions and 26 deletions
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core/math/big/helpers.odin
+2 -4
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@@ -432,18 +432,16 @@ int_init_multi :: proc(integers: ..^Int, allocator := context.allocator) -> (err
init_multi :: proc { int_init_multi, };
copy_digits :: proc(dest, src: ^Int, digits: int, allocator := context.allocator) -> (err: Error) {
copy_digits :: proc(dest, src: ^Int, digits: int, offset := int(0), allocator := context.allocator) -> (err: Error) {
context.allocator = allocator;
digits := digits;
/*
Check that `src` is usable and `dest` isn't immutable.
*/
assert_if_nil(dest, src);
#force_inline internal_clear_if_uninitialized(src) or_return;
digits = min(digits, len(src.digit), len(dest.digit));
return #force_inline internal_copy_digits(dest, src, digits);
return #force_inline internal_copy_digits(dest, src, digits, offset);
}
/*