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31 lines
643 B
Go
31 lines
643 B
Go
package util
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import (
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"fmt"
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"math"
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"strconv"
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)
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// ParseFloat parses a Redis RESP3 float reply into a Go float64,
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// handling "inf", "-inf", "nan" per Redis conventions.
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func ParseStringToFloat(s string) (float64, error) {
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switch s {
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case "inf":
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return math.Inf(1), nil
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case "-inf":
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return math.Inf(-1), nil
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case "nan", "-nan":
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return math.NaN(), nil
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}
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return strconv.ParseFloat(s, 64)
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}
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// MustParseFloat is like ParseFloat but panics on parse errors.
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func MustParseFloat(s string) float64 {
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f, err := ParseStringToFloat(s)
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if err != nil {
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panic(fmt.Sprintf("redis: failed to parse float %q: %v", s, err))
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}
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return f
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}
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