Diff for /gforth/float.fs between versions 1.64 and 1.68

version 1.64, 2011/12/31 15:29:25 version 1.68, 2012/12/31 15:25:18
Line 1 Line 1
 \ High level floating point                            14jan94py  \ High level floating point                            14jan94py
   
 \ Copyright (C) 1995,1997,2003,2004,2005,2006,2007,2009,2010,2011 Free Software Foundation, Inc.  \ Copyright (C) 1995,1997,2003,2004,2005,2006,2007,2009,2010,2011,2012 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 128  DOES> ( -- r ) Line 128  DOES> ( -- r )
   scratch over c@ emit '. emit 1 /string type    scratch over c@ emit '. emit 1 /string type
   'E emit . ;    'E emit . ;
   
   [IFDEF] fp-char
 : sfnumber ( c-addr u -- r true | false )  : sfnumber ( c-addr u -- r true | false )
     2dup [CHAR] e scan ( c-addr u c-addr2 u2 )      fp-char @ >float1 ;
     dup 0=  
     IF  Create si-prefixes ," PTGMk munpf"
         2drop 2dup [CHAR] E scan ( c-addr u c-addr3 u3 )  si-prefixes count bl scan drop Constant zero-exp
     THEN  
     nip  : prefix-number ( c-addr u -- r true | false )
     IF      si-prefixes count bounds DO
         >float          2dup I c@ scan nip dup 0<> IF
     ELSE              1 = IF  1- fp-char @  ELSE  I c@  THEN
         2drop false              >float1
     THEN ;              dup IF  1000 s>f zero-exp I - s>f f** f*  THEN
               UNLOOP  EXIT  THEN  drop
       LOOP
       sfnumber ;
   [ELSE]
   : sfnumber ( c-addr u -- r true | false )
       >float ;
   : prefix-number  sfnumber ;
   [THEN]
   
 [ifdef] recognizer:  [ifdef] recognizer:
     [IFDEF] 2lit,      [IFDEF] 2lit,
Line 154  DOES> ( -- r ) Line 163  DOES> ( -- r )
     recognizer: r:fnumber      recognizer: r:fnumber
   
     : fnum-recognizer ( addr u -- float int-table | addr u r:fail )      : fnum-recognizer ( addr u -- float int-table | addr u r:fail )
         2dup sfnumber          2dup prefix-number
         IF          IF
             2drop r:fnumber  EXIT              2drop r:fnumber  EXIT
         THEN          THEN

Removed from v.1.64  
changed lines
  Added in v.1.68


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