26 lines
786 B
Go
Executable File
26 lines
786 B
Go
Executable File
package points
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import "math"
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// CentsToPoints converts monetary value (in cents) to points based on the exchange rate (X Points per 1 Yuan).
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// Now: 1 Yuan = 100 Cents.
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// If Rate = 1 (1 Point = 1 Yuan), then 100 Cents = 1 Point.
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// Formula: points = (cents * rate) / 100
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func CentsToPoints(cents int64, rate float64) int64 {
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if rate <= 0 {
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rate = 1
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}
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// Use rounding to avoid precision loss on division
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return int64(math.Round((float64(cents) * rate) / 100.0))
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}
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// PointsToCents converts points to monetary value (in cents).
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// If Rate = 1 (1 Point = 1 Yuan), then 1 Point = 100 Cents.
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// Formula: cents = (points * 100) / rate
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func PointsToCents(points int64, rate float64) int64 {
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if rate <= 0 {
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rate = 1
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}
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return int64(math.Round((float64(points) * 100.0) / rate))
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}
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