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math.derivatives: Add a ; to the syntax for derivatives so the parsing word doesn't have to introspect its input arity.

db4
Doug Coleman 2015-07-21 12:35:08 -07:00
parent 91bda9066d
commit 35d81c742d
2 changed files with 26 additions and 27 deletions
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46
extra/math/derivatives/derivatives.factor
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@ -10,14 +10,14 @@ M: undefined-derivative summary
" is undefined at " % point>> # "." % ]
"" make ;
DERIVATIVE: + [ 2drop ] [ 2drop ]
DERIVATIVE: - [ 2drop ] [ 2drop neg ]
DERIVATIVE: * [ nip * ] [ drop * ]
DERIVATIVE: / [ nip / ] [ sq / neg * ]
DERIVATIVE: + [ 2drop ] [ 2drop ] ;
DERIVATIVE: - [ 2drop ] [ 2drop neg ] ;
DERIVATIVE: * [ nip * ] [ drop * ] ;
DERIVATIVE: / [ nip / ] [ sq / neg * ] ;
! Conditional checks if the epsilon-part of the exponent is
! 0 to avoid getting float answers for integer powers.
DERIVATIVE: ^ [ [ 1 - ^ ] keep * * ]
[ [ dup zero? ] 2dip [ 3drop 0 ] [ [ ^ ] keep log * * ] if ]
[ [ dup zero? ] 2dip [ 3drop 0 ] [ [ ^ ] keep log * * ] if ] ;
DERIVATIVE: abs
[ 0 <=>
@ -26,28 +26,28 @@ DERIVATIVE: abs
{ +eq+ [ 0 \ abs undefined-derivative ] }
{ +gt+ [ ] }
} case
]
] ;
DERIVATIVE: sqrt [ sqrt 2 * / ]
DERIVATIVE: sqrt [ sqrt 2 * / ] ;
DERIVATIVE: e^ [ e^ * ]
DERIVATIVE: log [ / ]
DERIVATIVE: e^ [ e^ * ] ;
DERIVATIVE: log [ / ] ;
DERIVATIVE: sin [ cos * ]
DERIVATIVE: cos [ sin neg * ]
DERIVATIVE: tan [ sec sq * ]
DERIVATIVE: sin [ cos * ] ;
DERIVATIVE: cos [ sin neg * ] ;
DERIVATIVE: tan [ sec sq * ] ;
DERIVATIVE: sinh [ cosh * ]
DERIVATIVE: cosh [ sinh * ]
DERIVATIVE: tanh [ sech sq * ]
DERIVATIVE: sinh [ cosh * ] ;
DERIVATIVE: cosh [ sinh * ] ;
DERIVATIVE: tanh [ sech sq * ] ;
DERIVATIVE: asin [ sq neg 1 + sqrt / ]
DERIVATIVE: acos [ sq neg 1 + sqrt neg / ]
DERIVATIVE: atan [ sq 1 + / ]
DERIVATIVE: asin [ sq neg 1 + sqrt / ] ;
DERIVATIVE: acos [ sq neg 1 + sqrt neg / ] ;
DERIVATIVE: atan [ sq 1 + / ] ;
DERIVATIVE: asinh [ sq 1 + sqrt / ]
DERIVATIVE: acosh [ [ 1 + sqrt ] [ 1 - sqrt ] bi * / ]
DERIVATIVE: atanh [ sq neg 1 + / ]
DERIVATIVE: asinh [ sq 1 + sqrt / ] ;
DERIVATIVE: acosh [ [ 1 + sqrt ] [ 1 - sqrt ] bi * / ] ;
DERIVATIVE: atanh [ sq neg 1 + / ] ;
DERIVATIVE: neg [ drop neg ]
DERIVATIVE: recip [ sq recip neg * ]
DERIVATIVE: neg [ drop neg ] ;
DERIVATIVE: recip [ sq recip neg * ] ;

7
extra/math/derivatives/syntax/syntax.factor
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@ -1,10 +1,9 @@
! Copyright (C) 2009 Jason W. Merrill.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel parser words effects accessors sequences
math.ranges ;
USING: accessors effects kernel lexer math.ranges parser
sequences words ;
IN: math.derivatives.syntax
SYNTAX: DERIVATIVE: scan-object dup stack-effect in>> length [1,b]
[ drop scan-object ] map
[ drop scan-object ] map ";" expect
"derivative" set-word-prop ;