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44 lines
708 B
44 lines
708 B
package structure
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import (
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"RedisShake/internal/log"
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"encoding/binary"
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"io"
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"math"
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"strconv"
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)
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func ReadFloat(rd io.Reader) float64 {
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u := ReadUint8(rd)
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switch u {
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case 253:
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return math.NaN()
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case 254:
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return math.Inf(0)
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case 255:
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return math.Inf(-1)
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default:
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buf := make([]byte, u)
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_, err := io.ReadFull(rd, buf)
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if err != nil {
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return 0
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}
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v, err := strconv.ParseFloat(string(buf), 64)
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if err != nil {
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log.Panicf(err.Error())
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}
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return v
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}
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}
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func ReadDouble(rd io.Reader) float64 {
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var buf = make([]byte, 8)
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_, err := io.ReadFull(rd, buf)
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if err != nil {
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log.Panicf(err.Error())
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}
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num := binary.LittleEndian.Uint64(buf)
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return math.Float64frombits(num)
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}
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