45 lines
901 B
V
45 lines
901 B
V
module fnv1a
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const (
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fnv64_prime = u64(1099511628211)
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fnv64_offset_basis = u64(14695981039346656037)
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fnv32_offset_basis = u32(2166136261)
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fnv32_prime = u32(16777619)
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)
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[inline]
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pub fn sum32_string(data string) u32 {
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mut hash := fnv1a.fnv32_offset_basis
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for i in 0 .. data.len {
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hash = (hash ^ u32(data[i])) * fnv1a.fnv32_prime
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}
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return hash
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}
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[inline]
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pub fn sum32(data []byte) u32 {
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mut hash := fnv1a.fnv32_offset_basis
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for i in 0 .. data.len {
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hash = (hash ^ u32(data[i])) * fnv1a.fnv32_prime
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}
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return hash
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}
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[inline]
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pub fn sum64_string(data string) u64 {
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mut hash := fnv1a.fnv64_offset_basis
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for i in 0 .. data.len {
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hash = (hash ^ u64(data[i])) * fnv1a.fnv64_prime
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}
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return hash
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}
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[inline]
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pub fn sum64(data []byte) u64 {
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mut hash := fnv1a.fnv64_offset_basis
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for i in 0 .. data.len {
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hash = (hash ^ u64(data[i])) * fnv1a.fnv64_prime
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}
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return hash
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}
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