--- gforth/float.fs 2000/09/23 15:46:56 1.34 +++ gforth/float.fs 2002/12/15 17:38:51 1.40 @@ -72,12 +72,12 @@ DOES> ( -- r ) \G floating-point stack. fp0 @ fp@ - [ 1 floats ] Literal / ; -: FLit ( -- r ) r> dup f@ float+ >r ; : FLiteral ( compilation r -- ; run-time -- r ) \ float f-literal \G Compile appropriate code such that, at run-time, @i{r} is placed \G on the (floating-point) stack. Interpretation semantics are undefined. - BEGIN here cell+ dup faligned <> WHILE postpone noop REPEAT - postpone FLit f, ; immediate + BEGIN here cell+ cell+ dup faligned <> WHILE postpone noop REPEAT + postpone ahead here >r f, postpone then + r> postpone literal postpone f@ ; immediate &15 Value precision ( -- u ) \ float-ext \G @i{u} is the number of significant digits currently used by @@ -102,7 +102,7 @@ DOES> ( -- r ) : f. ( r -- ) \ float-ext f-dot \G Display (the floating-point number) @i{r} without exponent, \G followed by a space. - f$ dup >r 0< + f$ dup >r 0<= IF '0 emit ELSE scratch r@ min type r@ precision - zeros THEN '. emit r@ negate zeros @@ -180,6 +180,9 @@ IS interpreter-notfound \G Divide 1.0e0 by @i{r1}. 1.0e0 fswap f/ ; +get-current environment-wordlist set-current +1.7976931348623157e308 FConstant max-float +set-current \ We now have primitives for these, so we need not define them