Diff for /gforth/float.fs between versions 1.31 and 1.33

version 1.31, 2000/08/09 20:04:05 version 1.33, 2000/09/23 12:27:46
Line 100  DOES> ( -- r ) Line 100  DOES> ( -- r )
   IF  '- emit  THEN ;    IF  '- emit  THEN ;
   
 : f.  ( r -- ) \ float-ext f-dot  : f.  ( r -- ) \ float-ext f-dot
 \G Display (the floating-point number) @i{r} using fixed-point notation,  \G Display (the floating-point number) @i{r} without exponent,
 \G followed by a space.  \G followed by a space.
   f$ dup >r 0<    f$ dup >r 0<
   IF    '0 emit    IF    '0 emit
Line 110  DOES> ( -- r ) Line 110  DOES> ( -- r )
 \ I'm afraid this does not really implement ansi semantics wrt precision.  \ I'm afraid this does not really implement ansi semantics wrt precision.
 \ Shouldn't precision indicate the number of places shown after the point?  \ Shouldn't precision indicate the number of places shown after the point?
   
   \ Why do you think so? ANS Forth appears ambiguous on this point. -anton.
   
 : fe. ( r -- ) \ float-ext f-e-dot  : fe. ( r -- ) \ float-ext f-e-dot
 \G Display @i{r} using engineering notation, followed by a space.  \G Display @i{r} using engineering notation (with exponent dividable
   \G by 3), followed by a space.
   f$ 1- s>d 3 fm/mod 3 * >r 1+ >r    f$ 1- s>d 3 fm/mod 3 * >r 1+ >r
   scratch r@ min type '. emit  scratch r> /string type    scratch r@ tuck min tuck - >r type r> zeros
     '. emit scratch r> /string type
   'E emit r> . ;    'E emit r> . ;
   
 : fs. ( r -- ) \ float-ext f-s-dot  : fs. ( r -- ) \ float-ext f-s-dot
 \G Display @i{r} using scientific notation, followed by a space.  \G Display @i{r} using scientific notation (with exponent), followed
   \G by a space.
   f$ 1-    f$ 1-
   scratch over c@ emit '. emit 1 /string type    scratch over c@ emit '. emit 1 /string type
   'E emit . ;    'E emit . ;

Removed from v.1.31  
changed lines
  Added in v.1.33


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