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32 lines
974 B
Nim
32 lines
974 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 ../stint, unittest, math
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suite "Testing unsigned exponentiation":
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test "Simple exponentiation 5^3":
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let
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a = 5'u64
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b = 3
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u = a.stuint(64)
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check:
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cast[uint64](u.pow(b)) == a ^ b
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cast[uint64](u.pow(b.stuint(64))) == a ^ b
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test "12 ^ 34 == 4922235242952026704037113243122008064":
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# https://www.wolframalpha.com/input/?i=12+%5E+34
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let
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a = 12.stuint(256)
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b = 34
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check: a.pow(b) == "4922235242952026704037113243122008064".u256
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check: a.pow(b.stuint(256)) == "4922235242952026704037113243122008064".u256
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