Diff for /gforth/doc/gforth.ds between versions 1.209 and 1.210

version 1.209, 2010/03/05 14:28:13 version 1.210, 2010/03/06 16:12:56
Line 1753  two cells (not-necessarily double-cell n Line 1753  two cells (not-necessarily double-cell n
 mixed single-cell and double-cell operations  mixed single-cell and double-cell operations
 @item f  @item f
 floating-point (note that in stack comments @samp{f} represents flags,  floating-point (note that in stack comments @samp{f} represents flags,
 and @samp{r} represents FP numbers).  and @samp{r} represents FP numbers; also, you need to include the
   exponent part in literal FP numbers, @pxref{Floating Point Tutorial}).
 @end table  @end table
   
 If there are no differences between the signed and the unsigned variant  If there are no differences between the signed and the unsigned variant
 (e.g., for @code{+}), there is only the prefix-less variant.  (e.g., for @code{+}), there is only the prefix-less variant.
   
 Forth does not perform type checking, neither at compile time, nor at  Forth does not perform type checking, neither at compile time, nor at
 run time.  If you use the wrong oeration, the data are interpreted  run time.  If you use the wrong operation, the data are interpreted
 incorrectly:  incorrectly:
   
 @example  @example
Line 2559  Computer Scientist Should Know About Flo Line 2560  Computer Scientist Should Know About Flo
 Computing Surveys 23(1):5@minus{}48, March 1991}.  Computing Surveys 23(1):5@minus{}48, March 1991}.
   
 In Forth source code literal FP numbers need an exponent, e.g.,  In Forth source code literal FP numbers need an exponent, e.g.,
 @code{1e0}; this can also be written shorter as @code{1e},  @code{1e0}; this can also be written shorter as @code{1e}, longer as
 @code{+1.0e+0}, and many variations in between.  The reason for this  @code{+1.0e+0}, and many variations in between.  The reason for this is
 is that, for historical reasons, Forth interprets a decimal point  that, for historical reasons, Forth interprets a decimal point alone
 alone (e.g., @code{1.}) as indicating a double-cell integer.  Another  (e.g., @code{1.}) as indicating a double-cell integer.  Examples:
 requirement for literal FP numbers is that the current base is  
   @example
   2e 2e f+ f.
   @end example
   
   Another requirement for literal FP numbers is that the current base is
 decimal; with a hex base @code{1e} is interpreted as an integer.  decimal; with a hex base @code{1e} is interpreted as an integer.
   
 Forth has a separate stack for FP numbers.@footnote{Theoretically, an  Forth has a separate stack for FP numbers.@footnote{Theoretically, an

Removed from v.1.209  
changed lines
  Added in v.1.210


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