version 1.15, 1995/08/27 19:56:29
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version 1.16, 1995/10/07 17:38:12
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Line 26
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Line 26
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: f, ( f -- ) here 1 floats allot f! ; |
: f, ( f -- ) here 1 floats allot f! ; |
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: fconstant ( r -- ) |
: fconstant ( r -- ) \ float |
Create f, |
Create f, |
DOES> f@ ; |
DOES> ( -- r ) |
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f@ ; |
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: fdepth ( -- n ) f0 @ fp@ - [ 1 floats ] Literal / ; |
: fdepth ( -- n ) f0 @ fp@ - [ 1 floats ] Literal / ; |
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Line 68
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Line 69
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scratch over c@ emit '. emit 1 /string type |
scratch over c@ emit '. emit 1 /string type |
'E emit . ; |
'E emit . ; |
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require debugging.fs |
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: sfnumber ( c-addr u -- r / ) |
: sfnumber ( c-addr u -- r / ) |
2dup >float |
2dup [CHAR] e scan |
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dup 0= |
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IF |
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2drop 2dup [CHAR] E scan |
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THEN |
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nip |
IF |
IF |
2drop state @ |
2dup >float |
IF |
IF |
postpone FLiteral |
2drop state @ |
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IF |
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POSTPONE FLiteral |
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THEN |
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EXIT |
THEN |
THEN |
ELSE |
THEN |
defers notfound |
defers notfound ; |
THEN ; |
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' sfnumber IS notfound |
' sfnumber IS notfound |
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Line 105
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Line 116
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\ : facosh fdup fdup f* 1.0e0 f- fsqrt f+ fln ; |
\ : facosh fdup fdup f* 1.0e0 f- fsqrt f+ fln ; |
\ : fasinh fdup fdup f* 1.0e0 f+ fsqrt f/ fatanh ; |
\ : fasinh fdup fdup f* 1.0e0 f+ fsqrt f/ fatanh ; |
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: f~ ( f1 f2 f3 -- flag ) fdup f0= IF fdrop f= EXIT THEN |
\ !! factor out parts |
fdup f0> IF frot frot f- fabs fswap |
: f~ ( f1 f2 f3 -- flag ) \ float-ext |
ELSE fnegate frot frot fover fabs fover fabs f+ frot frot |
fdup f0= |
f- fabs frot frot f* THEN f< ; |
IF |
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fdrop f= EXIT |
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THEN |
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fdup f0> |
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IF |
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frot frot f- fabs fswap |
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ELSE |
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fnegate frot frot fover fabs fover fabs f+ frot frot |
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f- fabs frot frot f* |
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THEN |
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f< ; |
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: f.s ." <" fdepth 0 .r ." > " fdepth 0 max maxdepth-.s @ min dup 0 |
: f.s ." <" fdepth 0 .r ." > " fdepth 0 max maxdepth-.s @ min dup 0 |
?DO dup i - 1- floats fp@ + f@ f. LOOP drop ; |
?DO dup i - 1- floats fp@ + f@ f. LOOP drop ; |