reedsolomon-go/galois_noasm.go

45 lines
795 B
Go

//+build !amd64 noasm appengine gccgo
//+build !arm64 noasm appengine gccgo
//+build !ppc64le noasm appengine gccgo
// Copyright 2015, Klaus Post, see LICENSE for details.
package reedsolomon
func galMulSlice(c byte, in, out []byte, o *options) {
out = out[:len(in)]
if c == 1 {
copy(out, in)
return
}
mt := mulTable[c][:256]
for n, input := range in {
out[n] = mt[input]
}
}
func galMulSliceXor(c byte, in, out []byte, o *options) {
out = out[:len(in)]
if c == 1 {
for n, input := range in {
out[n] ^= input
}
return
}
mt := mulTable[c][:256]
for n, input := range in {
out[n] ^= mt[input]
}
}
// slice galois add
func sliceXor(in, out []byte, o *options) {
for n, input := range in {
out[n] ^= input
}
}
func init() {
defaultOptions.useAVX512 = false
}