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Issue #55 - Create a complex num object

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Justin Ethier 2018-05-07 20:55:02 -04:00
parent 9dddfb882f
commit 8714206b9f
1 changed files with 5 additions and 11 deletions
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16
scheme/read.sld
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@ -128,6 +128,10 @@
"(void *data, int argc, closure _, object k, object opq)"
" Cyc_string2number_(data, k, opaque_ptr(opq));")
(define-c Cyc-make-rect
"(void *data, int argc, closure _, object k, object r, object i)"
" Cyc_make_rectangular(data, k, r, i); ")
(define (parse fp)
(let ((token (read-token fp)))
;(write `(token ,token))
@ -185,17 +189,7 @@
(real (string->number real-str))
(imag (string->number imag-str))
)
#;(if (= (+ 1 end) len)
(let ((real "0")
(imag (substring t 0 end))) ;; Only an imag part
(write `(DEBUG ,t ,end ,len real ,(string->number real) imag ,(string->number imag))))
(let ((real (substring t 0 end))
(imag (substring t end (- len 1))))
(if (= 0 (string-length imag))
(set! imag "1"))
(write `(DEBUG ,t ,end ,len real ,(string->number real) imag ,(string->number imag)))))
;; TODO: actually do (make-rectangular real imag) or equivalent, instead of this debug result:
(list t only-imag? end real imag)))
(Cyc-make-rect real imag)))
(else
(error "Unexpected token" t)))))
((= (vector-length token) 1) ;; Special case: error