26 lines
797 B
Plaintext
26 lines
797 B
Plaintext
;;;; (- x) negates: an integer wraps, a float flips its sign — the negation of
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;;;; 0.0 is -0.0, which 1/x tells apart — and a dyn does either by its tag.
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(defn negi [x i32] i32 (- x))
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(defn negf [x f64] f64 (- x))
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(defn negf32 [x f32] f32 (- x))
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(defn negu [x u8] u8 (- x))
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(defn negd [x dyn] dyn (- x))
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(defn negg [x $t] $t {:where (is-numeric $t)} (- x))
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(defn main [] i32
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(println (negi 3))
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(println (negi -7))
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(println (negf 2.5))
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(println (/ 1.0 (negf 0.0)))
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(println (negf32 (f32 1.5)))
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(println (negu (u8 1)))
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(println (negd 4))
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(println (negd 2.5))
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(println (/ 1.0 (negd 0.0)))
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(println (negg (i64 9000000000)))
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(println (negg 0.5))
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(let [a (- 5) b (i64 (- 3))]
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(println (+ a (i32 b))))
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(println (- f64-inf))
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(println (< (- f64-inf) (- f64-max)))
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0)
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