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https://github.com/janet-lang/janet
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70 lines
2.3 KiB
Janet
70 lines
2.3 KiB
Janet
# Copyright (c) 2025 Calvin Rose
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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# First commit removing the integer number type
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# 6b95326d7
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(assert (= 400 (math/sqrt 160000)) "sqrt(160000)=400")
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# RNGs
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# aee168721
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(defn test-rng
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[rng]
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(assert (all identity (seq [i :range [0 1000]]
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(<= (math/rng-int rng i) i))) "math/rng-int test")
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(assert (all identity (seq [i :range [0 1000]]
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(def x (math/rng-uniform rng))
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(and (>= x 0) (< x 1))))
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"math/rng-uniform test"))
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(def seedrng (math/rng 123))
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(for i 0 75
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(test-rng (math/rng (:int seedrng))))
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# 70328437f
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(assert (deep-not= (-> 123 math/rng (:buffer 16))
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(-> 456 math/rng (:buffer 16))) "math/rng-buffer 1")
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(assert-no-error "math/rng-buffer 2" (math/seedrandom "abcdefg"))
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# 027b2a8
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(defn assert-many [f n e]
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(var good true)
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(loop [i :range [0 n]]
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(if (not (f))
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(set good false)))
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(assert good e))
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(assert-many (fn [] (>= 1 (math/random) 0)) 200 "(random) between 0 and 1")
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# 06aa0a124
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(assert (= (math/gcd 462 1071) 21) "math/gcd 1")
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(assert (= (math/lcm 462 1071) 23562) "math/lcm 1")
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# math gamma
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# e6babd8
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(assert (< 11899423.08 (math/gamma 11.5) 11899423.085) "math/gamma")
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(assert (< 2605.1158 (math/log-gamma 500) 2605.1159) "math/log-gamma")
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(end-suite)
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