kmulti-bignumber

kmulti-bignumber provides multiplatform expect declarations and actual implementations for BigDecimal and BigInteger types.

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repositories {
    maven { url "https://dl.bintray.com/kmulti/kmulti-bignumber" }
}

Use these dependencies per Kotlin module respectively:

compile 'io.github.kmulti:kmulti-bignumber-common:1.2.41.2'
compile 'io.github.kmulti:kmulti-bignumber-js:1.2.41.2'
compile 'io.github.kmulti:kmulti-bignumber-jvm:1.2.41.2'

Usage Notes

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The JS subproject is just a stub implementation atop Double. Do not use it unless you are okay with the usual floating point arithmetic surprises. The JVM subproject unit tests show some of the invariants currently not satisfied by the JS implementation.

The behavior of java.math.BigDecimal with respect to structural equality is preserved, i.e. in Java:

BigDecimal first = new BigDecimal("1.0");
BigDecimal second = new BigDecimal("1.00");
boolean equal = first.equals(second); // `equal` is `false`

and in Kotlin:

val first = BigDecimal("1.0")
val second = BigDecimal("1.00")
val equal = first == second // `equal` is `false`

The infix functions eq and neq are provided to check for mathematical equality/inequality:

val equal = BigDecimal("1.0") eq BigDecimal("1.00") // `equal` is `true`
val notEqual = BigDecimal("1.0") neq BigDecimal("1.00") // `notEqual` is `false`

kmulti / kmulti-bignumber

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kmulti-bignumber

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Usage Notes