Merge remote-tracking branch 'upstream/master' into parser

This commit is contained in:
DanielGavin
2021-03-30 12:42:11 +02:00
2 changed files with 6 additions and 6 deletions

View File

@@ -1,14 +1,14 @@
package hash
crc32 :: proc(data: []byte) -> u32 #no_bounds_check {
result := ~u32(0);
crc32 :: proc(data: []byte, seed := u32(0)) -> u32 #no_bounds_check {
result := ~u32(seed);
for b in data {
result = result>>8 ~ _crc32_table[(result ~ u32(b)) & 0xff];
}
return ~result;
}
crc64 :: proc(data: []byte) -> u64 #no_bounds_check {
result := ~u64(0);
crc64 :: proc(data: []byte, seed := u32(0)) -> u64 #no_bounds_check {
result := ~u64(seed);
for b in data {
result = result>>8 ~ _crc64_table[(result ~ u64(b)) & 0xff];
}

View File

@@ -2,9 +2,9 @@ package hash
import "core:mem"
adler32 :: proc(data: []byte) -> u32 {
adler32 :: proc(data: []byte, seed := u32(1)) -> u32 {
ADLER_CONST :: 65521;
a, b: u32 = 1, 0;
a, b: u32 = seed & 0xFFFF, seed >> 16;
for x in data {
a = (a + u32(x)) % ADLER_CONST;
b = (b + a) % ADLER_CONST;