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metrics: simplify float64 counter

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Martin Holst Swende 2024-11-26 21:05:55 +01:00
parent f27df5c6a5
commit 3c3623d61e
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1 changed files with 5 additions and 7 deletions
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metrics/counter_float64.go
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@ -36,28 +36,26 @@ type CounterFloat64Snapshot float64
func (c CounterFloat64Snapshot) Count() float64 { return float64(c) } func (c CounterFloat64Snapshot) Count() float64 { return float64(c) }
// CounterFloat64 is the uses atomic to manage a single float64 value. // CounterFloat64 is the uses atomic to manage a single float64 value.
type CounterFloat64 struct { type CounterFloat64 atomic.Uint64
floatBits atomic.Uint64
}
// Clear sets the counter to zero. // Clear sets the counter to zero.
func (c *CounterFloat64) Clear() { func (c *CounterFloat64) Clear() {
c.floatBits.Store(0) (*atomic.Uint64)(c).Store(0)
} }
// Dec decrements the counter by the given amount. // Dec decrements the counter by the given amount.
func (c *CounterFloat64) Dec(v float64) { func (c *CounterFloat64) Dec(v float64) {
atomicAddFloat(&c.floatBits, -v) atomicAddFloat((*atomic.Uint64)(c), -v)
} }
// Inc increments the counter by the given amount. // Inc increments the counter by the given amount.
func (c *CounterFloat64) Inc(v float64) { func (c *CounterFloat64) Inc(v float64) {
atomicAddFloat(&c.floatBits, v) atomicAddFloat((*atomic.Uint64)(c), v)
} }
// Snapshot returns a read-only copy of the counter. // Snapshot returns a read-only copy of the counter.
func (c *CounterFloat64) Snapshot() CounterFloat64Snapshot { func (c *CounterFloat64) Snapshot() CounterFloat64Snapshot {
return CounterFloat64Snapshot(math.Float64frombits(c.floatBits.Load())) return CounterFloat64Snapshot(math.Float64frombits((*atomic.Uint64)(c).Load()))
} }
func atomicAddFloat(fbits *atomic.Uint64, v float64) { func atomicAddFloat(fbits *atomic.Uint64, v float64) {