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Adding Peter Bex's numeric parsing tests.
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Alex Shinn
parent
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commit
3bffe320a9
1 changed files with 184 additions and 0 deletions
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@ -1367,6 +1367,8 @@
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(write-u8 3 out)
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(get-output-bytevector out)))
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;; read syntax
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(test #t (read (open-input-string "#t")))
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(test #t (read (open-input-string "#true")))
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(test #f (read (open-input-string "#f")))
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@ -1378,11 +1380,30 @@
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(test '(1 2) (read (open-input-string "(1 . (2))")))
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(test '(1 2 3 4 5) (read (open-input-string "(1 . (2 3 4 . (5)))")))
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(test '(quote (1 2)) (read (open-input-string "'(1 2)")))
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(test '(quote (1 (unquote 2))) (read (open-input-string "'(1 ,2)")))
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(test '(quote (1 (unquote-splicing 2))) (read (open-input-string "'(1 ,@2)")))
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(test '(quasiquote (1 (unquote 2))) (read (open-input-string "`(1 ,2)")))
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(test #() (read (open-input-string "#()")))
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(test #(a b) (read (open-input-string "#(a b)")))
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(test #u8() (read (open-input-string "#u8()")))
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(test #u8(0 1) (read (open-input-string "#u8(0 1)")))
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(test 'abc (read (open-input-string "abc")))
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(test 'abc (read (open-input-string "abc def")))
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(test 'ABC (read (open-input-string "ABC")))
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(test 'Hello (read (open-input-string "|H\\x65;llo|")))
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(test 'abc (read (open-input-string "#!fold-case ABC")))
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(test 'ABC (read (open-input-string "#!fold-case #!no-fold-case ABC")))
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(test 'def (read (open-input-string "#; abc def")))
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(test 'def (read (open-input-string "; abc \ndef")))
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(test 'def (read (open-input-string "#| abc |# def")))
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(test 'ghi (read (open-input-string "#; ; abc\n def ghi")))
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(test #\a (read (open-input-string "#\\a")))
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(test #\space (read (open-input-string "#\\space")))
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(test #\alarm (read (open-input-string "#\\alarm")))
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@ -1394,6 +1415,169 @@
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(test "Hello" (read (open-input-string "\"H\\x65;llo\"")))
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(test "line 1\nline 2\n" (read (open-input-string "\"line 1\nline 2\n\"")))
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;; Numeric syntax adapted from Peter Bex's tests.
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;;
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;; These are updated to R7RS, using string ports instead of
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;; string->number, and "error" tests removed because implementations
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;; are free to provide their own numeric extensions. Currently all
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;; tests are run by default - need to cond-expand and test for
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;; infinities and -0.0.
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(define-syntax test-numeric-syntax
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(syntax-rules ()
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((test-numeric-syntax str expect strs ...)
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(let* ((z (read (open-input-string str)))
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(out (open-output-string))
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(z-str (begin (write z out) (get-output-string out))))
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(test expect (values z))
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(test #t (and (member z-str '(str strs ...)) #t))))))
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(define-syntax test-numeric-syntaxes
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(syntax-rules ()
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((test-numeric-syntaxes (x ...))
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(test-numeric-syntax x ...))
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((test-numeric-syntaxes (x ...) . rest)
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(begin (test-numeric-syntax x ...)
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(test-numeric-syntaxes . rest)))))
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;; Each test is of the form:
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;;
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;; (input-str expected-value (expected-write-values ...))
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;;
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;; where the input should be eqv? to the expected-value, and the
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;; written output the same as any of the expected-write-values. The
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;; form
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;;
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;; (input-str expected-value)
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;;
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;; is a shorthand for
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;;
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;; (input-str expected-value (input-str))
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(test-numeric-syntaxes
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;; Simple
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("1" 1)
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("+1" 1 "1")
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("-1" -1)
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("#i1" 1.0 "1.0" "1.")
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("#I1" 1.0 "1.0" "1.")
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("#i-1" -1.0 "-1.0" "-1.")
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;; Decimal
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("1.0" 1.0 "1.0" "1.")
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("1." 1.0 "1.0" "1.")
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(".1" 0.1 "0.1" "100.0e-3")
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("-.1" -0.1 "-0.1" "-100.0e-3")
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;; Some Schemes don't allow negative zero. This is okay with the standard
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("-.0" -0.0 "-0." "-0.0" "0.0" "0." ".0")
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("-0." -0.0 "-.0" "-0.0" "0.0" "0." ".0")
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("#i1.0" 1.0 "1.0" "1.")
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("#e1.0" 1 "1")
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("#e-.0" 0 "0")
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("#e-0." 0 "0")
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;; Decimal notation with suffix
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("1e2" 100.0 "100.0" "100.")
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("1E2" 100.0 "100.0" "100.")
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("1s2" 100.0 "100.0" "100.")
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("1S2" 100.0 "100.0" "100.")
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("1f2" 100.0 "100.0" "100.")
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("1F2" 100.0 "100.0" "100.")
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("1d2" 100.0 "100.0" "100.")
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("1D2" 100.0 "100.0" "100.")
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("1l2" 100.0 "100.0" "100.")
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("1L2" 100.0 "100.0" "100.")
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;; NaN, Inf
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("+nan.0" +nan.0 "+nan.0" "+NaN.0")
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("+NAN.0" +nan.0 "+nan.0" "+NaN.0")
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("+inf.0" +inf.0 "+inf.0" "+Inf.0")
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("+InF.0" +inf.0 "+inf.0" "+Inf.0")
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("-inf.0" -inf.0 "-inf.0" "-Inf.0")
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("-iNF.0" -inf.0 "-inf.0" "-Inf.0")
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("#i+nan.0" +nan.0 "+nan.0" "+NaN.0")
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("#i+inf.0" +inf.0 "+inf.0" "+Inf.0")
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("#i-inf.0" -inf.0 "-inf.0" "-Inf.0")
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;; Exact ratios
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("1/2" (/ 1 2))
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("#e1/2" (/ 1 2) "1/2")
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("10/2" 5 "5")
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("-1/2" (- (/ 1 2)))
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("0/10" 0 "0")
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("#e0/10" 0 "0")
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("#i3/2" (/ 3.0 2.0) "1.5")
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;; Exact complex
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("1+2i" (make-rectangular 1 2))
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("1+2I" (make-rectangular 1 2) "1+2i")
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("1-2i" (make-rectangular 1 -2))
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("-1+2i" (make-rectangular -1 2))
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("-1-2i" (make-rectangular -1 -2))
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("+i" (make-rectangular 0 1) "+i" "+1i" "0+i" "0+1i")
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("0+i" (make-rectangular 0 1) "+i" "+1i" "0+i" "0+1i")
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("0+1i" (make-rectangular 0 1) "+i" "+1i" "0+i" "0+1i")
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("-i" (make-rectangular 0 -1) "-i" "-1i" "0-i" "0-1i")
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("0-i" (make-rectangular 0 -1) "-i" "-1i" "0-i" "0-1i")
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("0-1i" (make-rectangular 0 -1) "-i" "-1i" "0-i" "0-1i")
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("+2i" (make-rectangular 0 2) "2i" "+2i" "0+2i")
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("-2i" (make-rectangular 0 -2) "-2i" "0-2i")
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;; Decimal-notation complex numbers (rectangular notation)
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("1.0+2i" (make-rectangular 1.0 2) "1.0+2.0i" "1.0+2i" "1.+2i" "1.+2.i")
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("1+2.0i" (make-rectangular 1 2.0) "1.0+2.0i" "1+2.0i" "1.+2.i" "1+2.i")
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;; ("1e2+1.0i" (make-rectangular 100.0 1.0) "100.0+1.0i" "100.+1.i")
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;; ("1s2+1.0i" (make-rectangular 100.0 1.0) "100.0+1.0i" "100.+1.i")
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;; ("1.0+1e2i" (make-rectangular 1.0 100.0) "1.0+100.0i" "1.+100.i")
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;; ("1.0+1s2i" (make-rectangular 1.0 100.0) "1.0+100.0i" "1.+100.i")
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;; Fractional complex numbers (rectangular notation)
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("1/2+3/4i" (make-rectangular (/ 1 2) (/ 3 4)))
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;; Mixed fractional/decimal notation complex numbers (rectangular notation)
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("0.5+3/4i" (make-rectangular 0.5 (/ 3 4))
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"0.5+0.75i" ".5+.75i" "0.5+3/4i" ".5+3/4i" "500.0e-3+750.0e-3i")
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;; Complex NaN, Inf (rectangular notation)
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;; ("+nan.0+nan.0i" (make-rectangular the-nan the-nan) "+NaN.0+NaN.0i")
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("+inf.0+inf.0i" (make-rectangular +inf.0 +inf.0) "+Inf.0+Inf.0i")
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("-inf.0+inf.0i" (make-rectangular -inf.0 +inf.0) "-Inf.0+Inf.0i")
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("-inf.0-inf.0i" (make-rectangular -inf.0 -inf.0) "-Inf.0-Inf.0i")
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("+inf.0-inf.0i" (make-rectangular +inf.0 -inf.0) "+Inf.0-Inf.0i")
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;; Complex numbers (polar notation)
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("1@2" -0.416146836547142+0.909297426825682i "-0.416146836547142+0.909297426825682i")
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;; Base prefixes
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("#x11" 17 "17")
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("#X11" 17 "17")
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("#d11" 11 "11")
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("#D11" 11 "11")
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("#o11" 9 "9")
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("#O11" 9 "9")
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("#b11" 3 "3")
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("#B11" 3 "3")
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("#o7" 7 "7")
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("#xa" 10 "10")
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("#xA" 10 "10")
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("#xf" 15 "15")
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("#x-10" -16 "-16")
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("#d-10" -10 "-10")
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("#o-10" -8 "-8")
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("#b-10" -2 "-2")
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;; Combination of prefixes
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("#e#x10" 16 "16")
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("#i#x10" 16.0 "16.0" "16.")
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;; (Attempted) decimal notation with base prefixes
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("#d1." 1.0 "1.0" "1.")
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("#d.1" 0.1 "0.1" ".1" "100.0e-3")
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("#x1e2" 482 "482")
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("#d1e2" 100.0 "100.0" "100.")
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;; Fractions with prefixes
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("#x10/2" 8 "8")
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("#x11/2" (/ 17 2) "17/2")
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("#d11/2" (/ 11 2) "11/2")
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("#o11/2" (/ 9 2) "9/2")
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("#b11/10" (/ 3 2) "3/2")
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;; Complex numbers with prefixes
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;;("#x10+11i" (make-rectangular 16 17) "16+17i")
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("#d1.0+1.0i" (make-rectangular 1.0 1.0) "1.0+1.0i" "1.+1.i")
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("#d10+11i" (make-rectangular 10 11) "10+11i")
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;;("#o10+11i" (make-rectangular 8 9) "8+9i")
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;;("#b10+11i" (make-rectangular 2 3) "2+3i")
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;;("#e1.0+1.0i" (make-rectangular 1 1) "1+1i" "1+i")
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;;("#i1.0+1.0i" (make-rectangular 1.0 1.0) "1.0+1.0i" "1.+1.i")
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)
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;; 6.14 System interface
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;; (test "/usr/local/bin:/usr/bin:/bin" (get-environment-variable "PATH"))
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