--- gforth/float.fs 1999/12/03 18:24:22 1.29 +++ gforth/float.fs 2000/01/17 00:04:29 1.30 @@ -51,15 +51,13 @@ \G enough space to align it. here dup dfaligned swap ?DO bl c, LOOP ; -1 sfloats constant sfloat+ ( sf-addr1 -- sf-addr2 ) \ float-ext s-float-plus +1 sfloats (Field) sfloat+ , ( sf-addr1 -- sf-addr2 ) \ float-ext s-float-plus \G Increment @i{sf-addr1} by the number of address units corresponding to the size of \G a single-precision IEEE floating-point number, to give @i{sf-addr2}."" -dofield: lastxt code-address! \ change the constant into a field -1 dfloats constant dfloat+ ( df-addr1 -- df-addr2 ) \ float-ext d-float-plus +1 dfloats (Field) dfloat+ , ( df-addr1 -- df-addr2 ) \ float-ext d-float-plus \G Increment @i{df-addr1} by the number of address units corresponding to the size of \G a double-precision IEEE floating-point number, to give @i{df-addr2}."" -dofield: lastxt code-address! \ change the constant into a field : f, ( f -- ) \ gforth \G Reserve data space for one floating-point number and store @@ -203,7 +201,7 @@ IS interpreter-notfound f- fabs frot frot f* f< ; : f~ ( r1 r2 r3 -- flag ) \ float-ext f-proximate - \G ANS Forth medley: r3>0: @code{f~abs}; r3=0: r1=r2; r3<0: @code{fnegate f~abs}. + \G ANS Forth medley: r3>0: @code{f~abs}; r3=0: r1=r2; r3<0: @code{fnegate f~rel}. fdup f0= IF fdrop f= \ !! this does not work, because 0=-0 with f= on Linux-Intel