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[WIP] complex numbers #282

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[WIP] complex numbers #282

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1 change: 1 addition & 0 deletions racketscript-compiler/racketscript/compiler/assembler.rkt
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Expand Up @@ -308,6 +308,7 @@
[+nan.0 (emit "NaN")]
[+nan.f (emit "NaN")]
[_ #:when (single-flonum? v) (emit (~a (exact->inexact (inexact->exact v))))]
[_ #:when (zero? v) (emit (~a 0))]
[_ (emit (~a v))])] ;; TODO
[(boolean? v) (emit (if v "true" "false"))]
[(void? v)
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5 changes: 5 additions & 0 deletions racketscript-compiler/racketscript/compiler/transform.rkt
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Expand Up @@ -667,6 +667,11 @@
(void? d)
(real? d))
(ILValue d)]
[(and (number? d) (zero? d)) (ILValue d)] ; some zero values are not real, eg 0.0+0.0i
[(and (number? d) (not (real? d))) ;; FIXME with real complex num implementation
(ILApp (name-in-module 'core 'Pair.make)
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Should Complex type be a class, so that we can differentiate b/w complex and pair of reals.

(list (ILValue (real-part d))
(ILValue (imag-part d))))]
[else (error (~a "unsupported value" d))]))

(: expand-normal-case-lambda (-> (Listof PlainLambda)
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13 changes: 13 additions & 0 deletions tests/basic/complex.rkt
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@@ -0,0 +1,13 @@
#lang racket/base

;; zeros
(displayln 0+0i) ; prints as 0
; (displayln 0+0.0i) ; prints as 0.0+0.0i
(when (zero? 0+0.0i)
(displayln 0))
; (displayln 0.0+0i) ; prints as 0.0
(when (zero? 0.0+0i)
(displayln 0))
; (displayln 0.0+0.0i) ; prints as 0.0+0.0i
(when (zero? 0.0+0.0i)
(displayln 0))