18 lines
761 B
Nim
18 lines
761 B
Nim
# Stint
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# Copyright 2018 Status Research & Development GmbH
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# Licensed under either of
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#
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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#
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import ./datatypes, ./uint_mul
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func `*`*[T](x, y: IntImpl[T]): IntImpl[T] {.inline.}=
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## Multiplication for multi-precision signed integers
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# For 2-complement representation this is the exact same
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# as unsigned multiplication. We don't need to deal with the sign
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# TODO: overflow detection.
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cast[type result](cast[UIntImpl[T]](x) * cast[UIntImpl[T]](y))
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