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Add Number.CoerceFloat #407

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Merged
klauspost merged 1 commit into from
Aug 28, 2025
Merged

Add Number.CoerceFloat #407

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18 changes: 18 additions & 0 deletions msgp/number.go
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Original file line number Diff line number Diff line change
Expand Up @@ -314,6 +314,24 @@ func (n *Number) isExactInt() bool {
return bits.TrailingZeros64(mant) >= mBits-exp
}

// CoerceFloat returns the number as a float64.
// If the number is an integer, it will be
// converted to a float64 with the closest representation.
func (n *Number) CoerceFloat() float64 {
switch n.typ {
case IntType:
return float64(int64(n.bits))
case UintType:
return float64(n.bits)
case Float32Type:
return float64(math.Float32frombits(uint32(n.bits)))
case Float64Type:
return math.Float64frombits(n.bits)
default:
return 0.0
}
}

// Msgsize implements msgp.Sizer
func (n *Number) Msgsize() int {
switch n.typ {
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