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cgen/fmt: fix assign_stmt fix & cgen test & hash tests & fmt

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This commit is contained in:
Joe Conigliaro
2020-03-11 11:31:24 +11:00
parent 630913d872
commit 083964522b
9 changed files with 29 additions and 20 deletions
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6
vlib/hash/crc32/crc32.v
View File

@@ -7,7 +7,7 @@
module crc32
// polynomials
const (
pub const (
ieee = 0xedb88320
castagnoli = 0x82f63b78
koopman = 0xeb31d82e
@@ -26,7 +26,7 @@ mut:
fn(c mut Crc32) generate_table(poly int) {
for i in 0..256 {
mut crc := u32(i)
for j in 0..8 {
for _ in 0..8 {
if crc & u32(1) == u32(1) {
crc = (crc >> 1) ^ u32(poly)
} else {
@@ -40,7 +40,7 @@ fn(c mut Crc32) generate_table(poly int) {
fn(c &Crc32) sum32(b []byte) u32 {
mut crc := ~u32(0)
for i in 0..b.len {
crc = c.table[byte(crc)^b[i]] ^ u32(crc >> u32(8))
crc = c.table[byte(crc)^b[i]] ^ (crc >> 8)
}
return ~crc
}

4
vlib/hash/crc32/crc32_test.v
View File

@@ -4,12 +4,12 @@ fn test_hash_crc32() {
b1 := 'testing crc32'.bytes()
sum1 := crc32.sum(b1)
assert sum1 == u32(1212124400)
assert sum1.hex() == '0x483f8cf0'
assert sum1.hex() == '483f8cf0'
c := crc32.new(crc32.ieee)
b2 := 'testing crc32 again'.bytes()
sum2 := c.checksum(b2)
assert sum2 == u32(1420327025)
assert sum2.hex() == '0x54a87871'
assert sum2.hex() == '54a87871'
}