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November 2017

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Bug: format ~G of 1.0d0
by Willem Broekema 07 Nov '17

07 Nov '17

The following output seems to be wrong:(format nil "~G" 1.0d0) "1.0 " I expect it to be "1. " For the formula in CLHS "22.3.3.3 Tilde G: General Floating-Point" I arrive at q=0, n=1, d=1, dd=0 where dd stands for the number of decimals to print. Allegro, ECL, SBCL agree with this. Kind regards, Willem

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Bug: defmacro environment variable declaration
by Willem Broekema 05 Nov '17

05 Nov '17

In the following form: (defmacro m (&environment e) (declare (ignore e)) 'm))) The declaration ends up in the wrong place after macro expansion: (LAMBDA (#:WHOLE-5584 #:ENVIRONMENT-5585) (LET* ((E #:ENVIRONMENT-5585)) ;; the (DECLARE (IGNORE E)) should go here (UNLESS (<= 0 (SYSTEM::DOT-LENGTH (CDR #:WHOLE-5584)) 0) (SYSTEM::ARG-COUNT-ERROR 'DEFMACRO 'M (CDR #:WHOLE-5584) '(&ENVIRONMENT E) 0 0)) (LET* () (DECLARE (IGNORE E)) ;; but it ends up here (BLOCK M 'M)))) Using Armed Bear Common Lisp 1.5.0 - Willem

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