45 lines
857 B
V
45 lines
857 B
V
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module fnv1a
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const (
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fnv64_prime = 1099511628211
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fnv64_offset_basis = 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 := fnv32_offset_basis
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for i := 0; i < data.len; i++ {
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hash = (hash ^ u32(data[i])) * 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 := fnv32_offset_basis
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for i := 0; i < data.len; i++ {
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hash = (hash ^ u32(data[i])) * 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 := fnv64_offset_basis
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for i := 0; i < data.len; i++ {
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hash = (hash ^ u64(data[i])) * 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 := fnv64_offset_basis
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for i := 0; i < data.len; i++ {
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hash = (hash ^ u64(data[i])) * fnv64_prime
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}
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return hash
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}
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