version 1.11, 1995/01/19 17:48:01
|
version 1.15, 1995/08/27 19:56:29
|
Line 26
|
Line 26
|
|
|
: f, ( f -- ) here 1 floats allot f! ; |
: f, ( f -- ) here 1 floats allot f! ; |
|
|
\ !! have create produce faligned pfas |
|
: fconstant ( r -- ) |
: fconstant ( r -- ) |
falign here f, Create A, |
Create f, |
DOES> @ f@ ; |
DOES> f@ ; |
|
|
: fvariable |
|
falign here 0. d>f f, AConstant ; |
|
|
|
: fdepth ( -- n ) f0 @ fp@ - [ 1 floats ] Literal / ; |
: fdepth ( -- n ) f0 @ fp@ - [ 1 floats ] Literal / ; |
|
|
: FLit ( -- r ) r> faligned dup f@ float+ >r ; |
: FLit ( -- r ) r> dup f@ float+ >r ; |
: FLiteral ( r -- ) postpone FLit falign f, ; immediate |
: FLiteral ( r -- ) |
|
BEGIN here cell+ dup faligned <> WHILE postpone noop REPEAT |
|
postpone FLit f, ; immediate |
|
|
&16 Value precision |
&15 Value precision |
: set-precision to precision ; |
: set-precision to precision ; |
|
|
: scratch ( r -- addr len ) |
: scratch ( r -- addr len ) |
Line 83
|
Line 81
|
|
|
' sfnumber IS notfound |
' sfnumber IS notfound |
|
|
1e0 fasin 2e0 f* fconstant pi |
: fvariable ( -- ) |
|
Create 0.0E0 f, ; |
: f2* 2e0 f* ; |
\ does> ( -- f-addr ) |
: f2/ 2e0 f/ ; |
|
: 1/f 1e0 fswap f/ ; |
1.0e0 fasin 2.0e0 f* fconstant pi |
|
|
|
: f2* 2.0e0 f* ; |
|
: f2/ 0.5e0 f* ; |
|
: 1/f 1.0e0 fswap f/ ; |
|
|
|
|
\ We now have primitives for these, so we need not define them |
\ We now have primitives for these, so we need not define them |
|
|
\ : falog ( f -- 10^f ) [ 10e0 fln ] FLiteral f* fexp ; |
\ : falog ( f -- 10^f ) [ 10.0e0 fln ] FLiteral f* fexp ; |
|
|
\ : fsinh fexpm1 fdup fdup 1e0 f+ f/ f+ f2/ ; |
\ : fsinh fexpm1 fdup fdup 1.0e0 f+ f/ f+ f2/ ; |
\ : fcosh fexp fdup 1/f f+ f2/ ; |
\ : fcosh fexp fdup 1/f f+ f2/ ; |
\ : ftanh f2* fexpm1 fdup 2e0 f+ f/ ; |
\ : ftanh f2* fexpm1 fdup 2.0e0 f+ f/ ; |
|
|
\ : fatanh fdup f0< >r fabs 1e0 fover f- f/ f2* flnp1 f2/ |
\ : fatanh fdup f0< >r fabs 1.0e0 fover f- f/ f2* flnp1 f2/ |
\ r> IF fnegate THEN ; |
\ r> IF fnegate THEN ; |
\ : facosh fdup fdup f* 1e0 f- fsqrt f+ fln ; |
\ : facosh fdup fdup f* 1.0e0 f- fsqrt f+ fln ; |
\ : fasinh fdup fdup f* 1e0 f+ fsqrt f/ fatanh ; |
\ : fasinh fdup fdup f* 1.0e0 f+ fsqrt f/ fatanh ; |
|
|
: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
fdup f0> IF frot frot f- fabs fswap |
fdup f0> IF frot frot f- fabs fswap |