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big: Add workaround for DLL globals bug.

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This commit is contained in:
Jeroen van Rijn
2021-08-14 13:51:17 +02:00
parent dc02566a84
commit 0db86a0638
6 changed files with 46 additions and 23 deletions
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core/math/big/internal.odin
+4 -2
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@@ -36,6 +36,8 @@ import "core:mem"
import "core:intrinsics"
import rnd "core:math/rand"
import "core:fmt"
/*
Low-level addition, unsigned. Handbook of Applied Cryptography, algorithm 14.7.
@@ -714,7 +716,6 @@ internal_sqr :: proc (dest, src: ^Int, allocator := context.allocator) -> (res:
*/
internal_int_divmod :: proc(quotient, remainder, numerator, denominator: ^Int, allocator := context.allocator) -> (err: Error) {
context.allocator = allocator;
if denominator.used == 0 { return .Division_by_Zero; }
/*
If numerator < denominator then quotient = 0, remainder = numerator.
@@ -729,7 +730,8 @@ internal_int_divmod :: proc(quotient, remainder, numerator, denominator: ^Int, a
return nil;
}
if (denominator.used > 2 * MUL_KARATSUBA_CUTOFF) && (denominator.used <= (numerator.used/3) * 2) {
if (denominator.used > 2 * MUL_KARATSUBA_CUTOFF) && (denominator.used <= (numerator.used / 3) * 2) {
assert(denominator.used >= 160 && numerator.used >= 240, "MUL_KARATSUBA_CUTOFF global not properly set.");
err = _private_int_div_recursive(quotient, remainder, numerator, denominator);
// err = #force_inline _private_int_div_school(quotient, remainder, numerator, denominator);
} else {