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https://github.com/taigrr/wtf
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fd91a48f58
Allows the user to set the precision for their exchange rate values. Config setting: ``` exchangerates: precision: 3 ``` Default is `7`. Also aligns converted values along the decimal place for improved aesthetics. Signed-off-by: Chris Cummer <chriscummer@me.com>
15 lines
379 B
Go
15 lines
379 B
Go
package wtf
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import "math"
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// Round rounds a float to an integer
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func Round(num float64) int {
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return int(num + math.Copysign(0.5, num))
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}
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// TruncateFloat64 truncates the decimal places of a float64 to the specified precision
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func TruncateFloat64(num float64, precision int) float64 {
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output := math.Pow(10, float64(precision))
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return float64(Round(num*output)) / output
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}
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