32 lines
613 B
Go
32 lines
613 B
Go
package xim
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const (
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maxbitwidth = 64
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)
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const (
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maskfirst = 0b0111111111111111111111111111111111111111000000000000000000000000
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masksecond = 0b0000000000000000000000000000000000000000111111111111111111111111
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)
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const (
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widthfirst = 40
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widthsecond = maxbitwidth - widthfirst
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)
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func compile(first uint64, second uint64) uint64 {
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var compiled uint64 = ((first << widthsecond) & maskfirst) | (second & masksecond)
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return compiled
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}
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func decompile(value uint64) (uint64, uint64) {
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var first uint64 = (value & maskfirst) >> widthsecond
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var second uint64 = value & masksecond
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return first, second
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}
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