31 lines
914 B
Plaintext
31 lines
914 B
Plaintext
var inf = 1/0 # same as: Inf
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var nan = 0/0 # same as: NaN
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var exprs = [
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"1.0 / 0.0", "-1.0 / 0.0", "0.0 / 0.0", "- 0.0",
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"inf + 1", "5 - inf", "inf * 5", "inf / 5", "inf * 0",
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"1.0 / inf", "-1.0 / inf", "inf + inf", "inf - inf",
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"inf * inf", "inf / inf", "inf * 0.0", " 0 < inf", "inf == inf",
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"nan + 1", "nan * 5", "nan - nan", "nan * inf", "- nan",
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"nan == nan", "nan > 0", "nan < 0", "nan == 0", "0.0 == -0.0",
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]
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exprs.each { |expr|
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"%15s => %s\n".printf(expr, eval(expr))
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}
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say "-"*40
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say("NaN equality: ", NaN == nan)
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say("Infinity equality: ", Inf == inf)
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say("-Infinity equality: ", -Inf == -inf)
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say "-"*40
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say("sqrt(-1) = ", sqrt(-1))
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say("tanh(-Inf) = ", tanh(-inf))
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say("(-Inf)**2 = ", (-inf)**2)
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say("(-Inf)**3 = ", (-inf)**3)
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say("acos(Inf) = ", acos(inf))
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say("atan(Inf) = ", atan(inf))
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say("log(-1) = ", log(-1))
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say("atanh(Inf) = ", atanh(inf))
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