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bigint: Fast paths for radix code.

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This commit is contained in:
Jeroen van Rijn
2021-08-11 20:59:50 +02:00
parent 767948ab46
commit e3d8ac559d
3 changed files with 154 additions and 25 deletions
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core/math/bigint/example.odin
+10 -12
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@@ -46,37 +46,35 @@ demo :: proc() {
as, bs, cs: string;
err: Error;
a, err = init(512);
a, err = init(4);
defer destroy(a);
as, err = itoa(a, 10);
as, err = itoa(a);
fmt.printf("a: %v, err: %v\n\n", as, err);
delete(as);
b, err = init(42);
b, err = init(4);
defer destroy(b);
bs, err = itoa(b, 10);
fmt.printf("b: %v, err: %v\n\n", bs, err);
bs, err = itoa(b);
fmt.printf("b: %s, err: %v\n\n", bs, err);
delete(bs);
c, err = init();
defer destroy(c);
cs, err = itoa(c, 10);
fmt.printf("c: %v\n", cs);
cs, err = itoa(c);
fmt.printf("b: %s, err: %v\n\n", cs, err);
delete(cs);
fmt.println("=== Add ===");
err = sub(c, a, b);
fmt.printf("Error: %v\n", err);
as, err = itoa(a, 10);
bs, err = itoa(b, 10);
cs, err = itoa(c, 10);
as, err = itoa(a);
bs, err = itoa(b);
cs, err = itoa(c);
fmt.printf("a: %v, bits: %v\n", as, count_bits(a));
fmt.printf("b: %v, bits: %v\n", bs, count_bits(b));
fmt.printf("c: %v, bits: %v\n", cs, count_bits(c));
delete(as); delete(bs); delete(cs);
fmt.println("radix_size:", radix_size(a, 10));
}
main :: proc() {