gforth/float.fs - diff

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Diff for /gforth/float.fs between versions 1.56 and 1.59

version 1.56, 2009/12/31 15:32:35	version 1.59, 2011/10/06 20:04:35
Line 1	Line 1
\ High level floating point 14jan94py	\ High level floating point 14jan94py

\ Copyright (C) 1995,1997,2003,2004,2005,2006,2007,2009 Free Software Foundation, Inc.	\ Copyright (C) 1995,1997,2003,2004,2005,2006,2007,2009,2010 Free Software Foundation, Inc.

\ This file is part of Gforth.	\ This file is part of Gforth.

Line 141 DOES> ( -- r )	Line 141 DOES> ( -- r )
2drop false	2drop false
THEN ;	THEN ;

	[ifdef] recognizer:
	' noop
	:noname postpone Fliteral ;
	dup
	recognizer: r:fnumber

	:noname ( addr u -- nt int-table true \| addr u false )
	2dup sfnumber dup
	IF
	drop 2drop r:fnumber true
	THEN ; Constant fnum-recognizer

	fnum-recognizer
	forth-recognizer get-recognizers
	1+ forth-recognizer set-recognizers
	[else]
[ifundef] compiler-notfound1	[ifundef] compiler-notfound1
defer compiler-notfound1	defer compiler-notfound1
' no.extensions IS compiler-notfound1	' no.extensions IS compiler-notfound1
Line 170 IS compiler-notfound1	Line 186 IS compiler-notfound1
defers interpreter-notfound1	defers interpreter-notfound1
ENDIF ;	ENDIF ;
IS interpreter-notfound1	IS interpreter-notfound1
	[then]

: fvariable ( "name" -- ) \ float f-variable	: fvariable ( "name" -- ) \ float f-variable
Create 0.0E0 f, ;	Create 0.0E0 f, ;
Line 233 set-current	Line 250 set-current
fnegate f~rel	fnegate f~rel
THEN ;	THEN ;

-0e fp@ c@ $80 = [if] 0 [else] 7 [endif] constant fsign-offset	-0e 8 0 [do] fp@ [i] + c@ $80 = [if] [i] constant fsign-offset [then] [loop]

: fcopysign ( r1 r2 -- r3 ) \ gforth	: fcopysign ( r1 r2 -- r3 ) \ gforth
\G r3 takes its absolute value from r1 and its sign from r2	\G r3 takes its absolute value from r1 and its sign from r2

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Removed from v.1.56
changed lines
	Added in v.1.59