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Diffstat (limited to 'v_windows/v/old/vlib/hash/fnv1a/fnv1a.v')
-rw-r--r--v_windows/v/old/vlib/hash/fnv1a/fnv1a.v44
1 files changed, 44 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/hash/fnv1a/fnv1a.v b/v_windows/v/old/vlib/hash/fnv1a/fnv1a.v
new file mode 100644
index 0000000..275c8a2
--- /dev/null
+++ b/v_windows/v/old/vlib/hash/fnv1a/fnv1a.v
@@ -0,0 +1,44 @@
+module fnv1a
+
+const (
+ fnv64_prime = u64(1099511628211)
+ fnv64_offset_basis = u64(14695981039346656037)
+ fnv32_offset_basis = u32(2166136261)
+ fnv32_prime = u32(16777619)
+)
+
+[inline]
+pub fn sum32_string(data string) u32 {
+ mut hash := fnv1a.fnv32_offset_basis
+ for i in 0 .. data.len {
+ hash = (hash ^ u32(data[i])) * fnv1a.fnv32_prime
+ }
+ return hash
+}
+
+[inline]
+pub fn sum32(data []byte) u32 {
+ mut hash := fnv1a.fnv32_offset_basis
+ for i in 0 .. data.len {
+ hash = (hash ^ u32(data[i])) * fnv1a.fnv32_prime
+ }
+ return hash
+}
+
+[inline]
+pub fn sum64_string(data string) u64 {
+ mut hash := fnv1a.fnv64_offset_basis
+ for i in 0 .. data.len {
+ hash = (hash ^ u64(data[i])) * fnv1a.fnv64_prime
+ }
+ return hash
+}
+
+[inline]
+pub fn sum64(data []byte) u64 {
+ mut hash := fnv1a.fnv64_offset_basis
+ for i in 0 .. data.len {
+ hash = (hash ^ u64(data[i])) * fnv1a.fnv64_prime
+ }
+ return hash
+}