Created
October 24, 2018 13:10
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Float Precision
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| extension Decimal { | |
| init(value: NSNumber, precision: Int) { | |
| let exponent = pow(10.0, Double(precision)) | |
| let mantisa = Decimal((value.doubleValue * exponent).rounded()) | |
| let sign = value.floatValue > 0 ? FloatingPointSign.plus : FloatingPointSign.minus | |
| self = Decimal(sign: sign, exponent: -precision, significand: mantisa) | |
| } | |
| } |
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