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• ToFloat.kt

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commonMain.it.unibo.tuprolog.solve.stdlib.function.ToFloat.kt Maven / Gradle / Ivy

package it.unibo.tuprolog.solve.stdlib.function

import it.unibo.tuprolog.core.Integer
import it.unibo.tuprolog.core.Numeric
import it.unibo.tuprolog.core.Real
import it.unibo.tuprolog.solve.ExecutionContext
import it.unibo.tuprolog.solve.function.UnaryMathFunction

/**
 * Implementation of `float/1` arithmetic functor
 *
 * @author Enrico
 */
object ToFloat : UnaryMathFunction("float") {

    override fun mathFunction(integer: Integer, context: ExecutionContext): Numeric =
        commonBehaviour(integer)

    override fun mathFunction(real: Real, context: ExecutionContext): Numeric =
        commonBehaviour(real)

    /** Implementation of common behaviour for Integer and Real */
    private fun commonBehaviour(numeric: Numeric) =
        Numeric.of(numeric.decimalValue)
}