Partial dispatch on integer operations

db4
Slava Pestov 2008-04-18 16:51:09 -05:00
parent 9722b7a4ea
commit 2d2b3ec904
10 changed files with 433 additions and 177 deletions

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@ -29,6 +29,9 @@ PREDICATE: method-spec < pair
: order ( generic -- seq )
"methods" word-prop keys sort-classes ;
: specific-method ( class word -- class )
order min-class ;
GENERIC: effective-method ( ... generic -- method )
: next-method-class ( class generic -- class/f )

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@ -4,7 +4,7 @@ inference.dataflow optimizer tools.test kernel.private generic
sequences words inference.class quotations alien
alien.c-types strings sbufs sequences.private
slots.private combinators definitions compiler.units
system layouts vectors ;
system layouts vectors optimizer.math.partial ;
! Make sure these compile even though this is invalid code
[ ] [ [ 10 mod 3.0 /i ] dataflow optimize drop ] unit-test
@ -18,6 +18,11 @@ system layouts vectors ;
swap dataflow optimize
[ node-param swap member? ] with node-exists? not ;
[ f ] [
[ { integer } declare >fixnum ]
\ >fixnum inlined?
] unit-test
GENERIC: mynot ( x -- y )
M: f mynot drop t ;
@ -110,12 +115,17 @@ M: object xyz ;
[ { fixnum } declare [ ] times ] \ fixnum+ inlined?
] unit-test
[ f ] [
[ t ] [
[ { integer fixnum } declare dupd < [ 1 + ] when ]
\ + inlined?
] unit-test
[ f ] [ [ dup 0 < [ neg ] when ] \ neg inlined? ] unit-test
[ f ] [
[ { integer fixnum } declare dupd < [ 1 + ] when ]
\ +-integer-fixnum inlined?
] unit-test
[ f ] [ [ dup 0 < [ neg ] when ] \ - inlined? ] unit-test
[ f ] [
[
@ -138,13 +148,13 @@ M: object xyz ;
DEFER: blah
[ t ] [
[ ] [
[
\ blah
[ dup V{ } eq? [ foo ] when ] dup second dup push define
] with-compilation-unit
\ blah compiled?
\ blah word-def dataflow optimize drop
] unit-test
GENERIC: detect-fx ( n -- n )
@ -159,14 +169,20 @@ M: fixnum detect-fx ;
] \ detect-fx inlined?
] unit-test
[ t ] [
[
1000000000000000000000000000000000 [ ] times
] \ + inlined?
] unit-test
[ f ] [
[
1000000000000000000000000000000000 [ ] times
] \ 1+ inlined?
] \ +-integer-fixnum inlined?
] unit-test
[ f ] [
[ { bignum } declare [ ] times ] \ 1+ inlined?
[ { bignum } declare [ ] times ]
\ +-integer-fixnum inlined?
] unit-test
@ -359,15 +375,6 @@ cell-bits 32 = [
[ 1000 [ 1+ ] map ] { 1+ fixnum+ } inlined?
] unit-test
[ t ] [
[
{ integer } declare
dup 0 >= [
615949 * 797807 + 20 2^ mod dup 19 2^ -
] [ dup ] if
] { * + shift mod fixnum-mod fixnum* fixnum+ fixnum- } inlined?
] unit-test
: fib ( m -- n )
dup 2 < [ drop 1 ] [ dup 1 - fib swap 2 - fib + ] if ; inline
@ -387,6 +394,106 @@ cell-bits 32 = [
[ 27/2 fib ] { < - } inlined?
] unit-test
[ t ] [
[ { fixnum } declare 10 [ -1 shift ] times ] \ shift inlined?
] unit-test
[ f ] [
[ { integer } declare 10 [ -1 shift ] times ] \ shift inlined?
] unit-test
[ f ] [
[ { fixnum } declare 1048575 fixnum-bitand 524288 fixnum- ]
\ fixnum-bitand inlined?
] unit-test
[ t ] [
[ { integer } declare 127 bitand 3 + ]
{ + +-integer-fixnum +-integer-fixnum-fast bitand } inlined?
] unit-test
[ f ] [
[ { integer } declare 127 bitand 3 + ]
{ >fixnum } inlined?
] unit-test
[ t ] [
[ { fixnum } declare [ drop ] each-integer ]
{ < <-integer-fixnum +-integer-fixnum + } inlined?
] unit-test
[ t ] [
[ { fixnum } declare length [ drop ] each-integer ]
{ < <-integer-fixnum +-integer-fixnum + } inlined?
] unit-test
[ t ] [
[ { fixnum } declare [ drop ] each ]
{ < <-integer-fixnum +-integer-fixnum + } inlined?
] unit-test
[ t ] [
[ { fixnum } declare 0 [ + ] reduce ]
{ < <-integer-fixnum } inlined?
] unit-test
[ f ] [
[ { fixnum } declare 0 [ + ] reduce ]
\ +-integer-fixnum inlined?
] unit-test
[ t ] [
[
{ integer } declare
dup 0 >= [
615949 * 797807 + 20 2^ mod dup 19 2^ -
] [ dup ] if
] { * + shift mod fixnum-mod fixnum* fixnum+ fixnum- } inlined?
] unit-test
[ t ] [
[
{ fixnum } declare
615949 * 797807 + 20 2^ mod dup 19 2^ -
] { >fixnum } inlined?
] unit-test
[ f ] [
[
{ integer } declare [ ] map
] \ >fixnum inlined?
] unit-test
[ f ] [
[
{ integer } declare { } set-nth-unsafe
] \ >fixnum inlined?
] unit-test
[ f ] [
[
{ integer } declare 1 + { } set-nth-unsafe
] \ >fixnum inlined?
] unit-test
[ t ] [
[
{ integer } declare 0 swap
[
drop 615949 * 797807 + 20 2^ rem dup 19 2^ -
] map
] { * + shift rem mod fixnum-mod fixnum* fixnum+ fixnum- } inlined?
] unit-test
[ t ] [
[
{ fixnum } declare 0 swap
[
drop 615949 * 797807 + 20 2^ rem dup 19 2^ -
] map
] { * + shift rem mod fixnum-mod fixnum* fixnum+ fixnum- >fixnum } inlined?
] unit-test
! Later
! [ t ] [

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@ -96,6 +96,8 @@ C: <interval> interval
: interval-bitnot ( i1 -- i2 ) interval-neg interval-1- ;
: interval-sq ( i1 -- i2 ) dup interval* ;
: make-interval ( from to -- int )
over first over first {
{ [ 2dup > ] [ 2drop 2drop f ] }

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@ -55,26 +55,26 @@ GENERIC: zero? ( x -- ? ) foldable
M: object zero? drop f ;
: 1+ ( x -- y ) 1 + ; foldable
: 1- ( x -- y ) 1 - ; foldable
: 2/ ( x -- y ) -1 shift ; foldable
: sq ( x -- y ) dup * ; foldable
: neg ( x -- -x ) 0 swap - ; foldable
: recip ( x -- y ) 1 swap / ; foldable
: 1+ ( x -- y ) 1 + ; inline
: 1- ( x -- y ) 1 - ; inline
: 2/ ( x -- y ) -1 shift ; inline
: sq ( x -- y ) dup * ; inline
: neg ( x -- -x ) 0 swap - ; inline
: recip ( x -- y ) 1 swap / ; inline
: ?1+ [ 1+ ] [ 0 ] if* ; inline
: /f ( x y -- z ) >r >float r> >float float/f ; inline
: max ( x y -- z ) [ > ] most ; foldable
: min ( x y -- z ) [ < ] most ; foldable
: max ( x y -- z ) [ > ] most ; inline
: min ( x y -- z ) [ < ] most ; inline
: between? ( x y z -- ? )
pick >= [ >= ] [ 2drop f ] if ; inline
: rem ( x y -- z ) tuck mod over + swap mod ; foldable
: sgn ( x -- n ) dup 0 < -1 0 ? swap 0 > 1 0 ? bitor ; foldable
: sgn ( x -- n ) dup 0 < [ drop -1 ] [ 0 > 1 0 ? ] if ; inline
: [-] ( x y -- z ) - 0 max ; inline

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@ -0,0 +1,10 @@
IN: optimizer.inlining.tests
USING: tools.test optimizer.inlining ;
\ word-flat-length must-infer
\ inlining-math-method must-infer
\ optimistic-inline? must-infer
\ find-identity must-infer

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@ -3,10 +3,11 @@
USING: arrays generic assocs inference inference.class
inference.dataflow inference.backend inference.state io kernel
math namespaces sequences vectors words quotations hashtables
combinators classes classes.algebra generic.math continuations
optimizer.def-use optimizer.backend generic.standard
optimizer.specializers optimizer.def-use optimizer.pattern-match
generic.standard optimizer.control kernel.private ;
combinators classes classes.algebra generic.math
optimizer.math.partial continuations optimizer.def-use
optimizer.backend generic.standard optimizer.specializers
optimizer.def-use optimizer.pattern-match generic.standard
optimizer.control kernel.private ;
IN: optimizer.inlining
: remember-inlining ( node history -- )
@ -53,8 +54,6 @@ DEFER: (flat-length)
[ word-def (flat-length) ] with-scope ;
! Single dispatch method inlining optimization
: specific-method ( class word -- class ) order min-class ;
: node-class# ( node n -- class )
over node-in-d <reversed> ?nth node-class ;
@ -79,21 +78,31 @@ DEFER: (flat-length)
object
} [ class< ] with find nip ;
: math-both-known? ( word left right -- ? )
math-class-max swap specific-method ;
: inline-math-method ( #call word -- node )
over node-input-classes
: inlining-math-method ( #call word -- quot/f )
swap node-input-classes
[ first normalize-math-class ]
[ second normalize-math-class ] bi
3dup math-both-known?
[ math-method f splice-quot ]
[ 2drop 2drop t ] if ;
3dup math-both-known? [ math-method* ] [ 3drop f ] if ;
: inline-math-method ( #call word -- node/t )
[ drop ] [ inlining-math-method ] 2bi
dup [ f splice-quot ] [ 2drop t ] if ;
: inline-math-partial ( #call word -- node/t )
[ drop ]
[
"derived-from" word-prop first
inlining-math-method dup
]
[ nip 1quotation ] 2tri
[ = not ] [ drop ] 2bi and
[ f splice-quot ] [ 2drop t ] if ;
: inline-method ( #call -- node )
dup node-param {
{ [ dup standard-generic? ] [ inline-standard-method ] }
{ [ dup math-generic? ] [ inline-math-method ] }
{ [ dup math-partial? ] [ inline-math-partial ] }
[ 2drop t ]
} cond ;

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@ -83,21 +83,11 @@ sequences.private combinators ;
] "constraints" set-word-prop
! eq? on the same object is always t
{ eq? bignum= float= number= = } {
{ eq? = } {
{ { @ @ } [ 2drop t ] }
} define-identities
! Specializers
{ 1+ 1- sq neg recip sgn } [
{ number } "specializer" set-word-prop
] each
\ 2/ { fixnum } "specializer" set-word-prop
{ min max } [
{ number number } "specializer" set-word-prop
] each
{ first first2 first3 first4 }
[ { array } "specializer" set-word-prop ] each

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@ -8,80 +8,91 @@ namespaces assocs quotations math.intervals sequences.private
combinators splitting layouts math.parser classes
classes.algebra generic.math optimizer.pattern-match
optimizer.backend optimizer.def-use optimizer.inlining
generic.standard system ;
optimizer.math.partial generic.standard system ;
{ + bignum+ float+ fixnum+ fixnum+fast } {
: define-math-identities ( word identities -- )
>r all-derived-ops r> define-identities ;
\ number= {
{ { @ @ } [ 2drop t ] }
} define-math-identities
\ + {
{ { number 0 } [ drop ] }
{ { 0 number } [ nip ] }
} define-identities
} define-math-identities
{ - fixnum- bignum- float- fixnum-fast } {
\ - {
{ { number 0 } [ drop ] }
{ { @ @ } [ 2drop 0 ] }
} define-identities
} define-math-identities
{ < fixnum< bignum< float< } {
\ < {
{ { @ @ } [ 2drop f ] }
} define-identities
} define-math-identities
{ <= fixnum<= bignum<= float<= } {
\ <= {
{ { @ @ } [ 2drop t ] }
} define-identities
} define-math-identities
{ > fixnum> bignum> float>= } {
\ > {
{ { @ @ } [ 2drop f ] }
} define-identities
} define-math-identities
{ >= fixnum>= bignum>= float>= } {
\ >= {
{ { @ @ } [ 2drop t ] }
} define-identities
} define-math-identities
{ * fixnum* fixnum*fast bignum* float* } {
\ * {
{ { number 1 } [ drop ] }
{ { 1 number } [ nip ] }
{ { number 0 } [ nip ] }
{ { 0 number } [ drop ] }
{ { number -1 } [ drop 0 swap - ] }
{ { -1 number } [ nip 0 swap - ] }
} define-identities
} define-math-identities
{ / fixnum/i bignum/i float/f } {
\ / {
{ { number 1 } [ drop ] }
{ { number -1 } [ drop 0 swap - ] }
} define-identities
} define-math-identities
{ fixnum-mod bignum-mod } {
{ { number 1 } [ 2drop 0 ] }
} define-identities
\ mod {
{ { integer 1 } [ 2drop 0 ] }
} define-math-identities
{ bitand fixnum-bitand bignum-bitand } {
\ rem {
{ { integer 1 } [ 2drop 0 ] }
} define-math-identities
\ bitand {
{ { number -1 } [ drop ] }
{ { -1 number } [ nip ] }
{ { @ @ } [ drop ] }
{ { number 0 } [ nip ] }
{ { 0 number } [ drop ] }
} define-identities
} define-math-identities
{ bitor fixnum-bitor bignum-bitor } {
\ bitor {
{ { number 0 } [ drop ] }
{ { 0 number } [ nip ] }
{ { @ @ } [ drop ] }
{ { number -1 } [ nip ] }
{ { -1 number } [ drop ] }
} define-identities
} define-math-identities
{ bitxor fixnum-bitxor bignum-bitxor } {
\ bitxor {
{ { number 0 } [ drop ] }
{ { 0 number } [ nip ] }
{ { number -1 } [ drop bitnot ] }
{ { -1 number } [ nip bitnot ] }
{ { @ @ } [ 2drop 0 ] }
} define-identities
} define-math-identities
{ shift fixnum-shift fixnum-shift-fast bignum-shift } {
\ shift {
{ { 0 number } [ drop ] }
{ { number 0 } [ drop ] }
} define-identities
} define-math-identities
: math-closure ( class -- newclass )
{ fixnum bignum integer rational float real number }
@ -126,15 +137,9 @@ generic.standard system ;
r> post-process ; inline
{
{ 1+ integer interval-1+ }
{ 1- integer interval-1- }
{ neg integer interval-neg }
{ shift integer interval-recip }
{ bitnot fixnum interval-bitnot }
{ fixnum-bitnot f interval-bitnot }
{ bignum-bitnot f interval-bitnot }
{ 2/ fixnum interval-2/ }
{ sq integer f }
} [
first3 [
math-output-class/interval-1
@ -164,35 +169,16 @@ generic.standard system ;
{ * integer interval* }
{ / rational interval/ }
{ /i integer interval/i }
{ fixnum+ f interval+ }
{ fixnum+fast f interval+ }
{ fixnum- f interval- }
{ fixnum-fast f interval- }
{ fixnum* f interval* }
{ fixnum*fast f interval* }
{ fixnum/i f interval/i }
{ bignum+ f interval+ }
{ bignum- f interval- }
{ bignum* f interval* }
{ bignum/i f interval/i }
{ bignum-shift f interval-shift-safe }
{ float+ f interval+ }
{ float- f interval- }
{ float* f interval* }
{ float/f f interval/ }
{ min fixnum interval-min }
{ max fixnum interval-max }
{ shift f interval-shift-safe }
} [
first3 [
math-output-class/interval-2
] 2curry "output-classes" set-word-prop
[
math-output-class/interval-2
] 2curry "output-classes" set-word-prop
] 2curry each-derived-op
] each
{ fixnum-shift fixnum-shift-fast shift } [
\ shift [
[
dup
node-in-d second value-interval*
@ -200,7 +186,7 @@ generic.standard system ;
\ interval-shift-safe
math-output-class/interval-2
] "output-classes" set-word-prop
] each
] each-derived-op
: real-value? ( value -- n ? )
dup value? [ value-literal dup real? ] [ drop f f ] if ;
@ -231,21 +217,17 @@ generic.standard system ;
{
{ mod fixnum mod-range }
{ fixnum-mod f mod-range }
{ bignum-mod f mod-range }
{ float-mod f mod-range }
{ rem integer rem-range }
{ bitand fixnum bitand-range }
{ fixnum-bitand f bitand-range }
{ bitor fixnum f }
{ bitxor fixnum f }
} [
first3 [
math-output-class/interval-special
] 2curry "output-classes" set-word-prop
[
math-output-class/interval-special
] 2curry "output-classes" set-word-prop
] 2curry each-derived-op
] each
: twiddle-interval ( i1 -- i2 )
@ -275,26 +257,12 @@ generic.standard system ;
{ <= assume<= assume> }
{ > assume> assume<= }
{ >= assume>= assume< }
{ fixnum< assume< assume>= }
{ fixnum<= assume<= assume> }
{ fixnum> assume> assume<= }
{ fixnum>= assume>= assume< }
{ bignum< assume< assume>= }
{ bignum<= assume<= assume> }
{ bignum> assume> assume<= }
{ bignum>= assume>= assume< }
{ float< assume< assume>= }
{ float<= assume<= assume> }
{ float> assume> assume<= }
{ float>= assume>= assume< }
} [
first3
[
[ comparison-constraints ] with-scope
] 2curry "constraints" set-word-prop
first3 [
[
[ comparison-constraints ] with-scope
] 2curry "constraints" set-word-prop
] 2curry each-derived-op
] each
{
@ -347,20 +315,15 @@ most-negative-fixnum most-positive-fixnum [a,b]
{
{ + [ fixnum+fast ] }
{ +-integer-fixnum [ fixnum+fast ] }
{ - [ fixnum-fast ] }
{ * [ fixnum*fast ] }
{ *-integer-fixnum [ fixnum*fast ] }
{ shift [ fixnum-shift-fast ] }
{ fixnum+ [ fixnum+fast ] }
{ fixnum- [ fixnum-fast ] }
{ fixnum* [ fixnum*fast ] }
{ fixnum-shift [ fixnum-shift-fast ] }
! these are here as an optimization. if they weren't given
! explicitly, the same would be inferred after an extra
! optimization step (see optimistic-inline?)
{ 1+ [ 1 fixnum+fast ] }
{ 1- [ 1 fixnum-fast ] }
{ 2/ [ -1 fixnum-shift-fast ] }
{ neg [ 0 swap fixnum-fast ] }
} [
[
[ dup remove-overflow-check? ] ,
@ -394,26 +357,13 @@ most-negative-fixnum most-positive-fixnum [a,b]
{ <= interval<= }
{ > interval> }
{ >= interval>= }
{ fixnum< interval< }
{ fixnum<= interval<= }
{ fixnum> interval> }
{ fixnum>= interval>= }
{ bignum< interval< }
{ bignum<= interval<= }
{ bignum> interval> }
{ bignum>= interval>= }
{ float< interval< }
{ float<= interval<= }
{ float> interval> }
{ float>= interval>= }
} [
[
dup [ dupd foldable-comparison? ] curry ,
[ fold-comparison ] curry ,
] { } make 1array define-optimizers
[
dup [ dupd foldable-comparison? ] curry ,
[ fold-comparison ] curry ,
] { } make 1array define-optimizers
] curry each-derived-op
] assoc-each
! The following words are handled in a similar way except if
@ -428,20 +378,20 @@ most-negative-fixnum most-positive-fixnum [a,b]
[ \ >fixnum consumed-by? ] [ drop f ] if ;
{
{ fixnum+ [ fixnum+fast ] }
{ fixnum- [ fixnum-fast ] }
{ fixnum* [ fixnum*fast ] }
{ + [ >r >fixnum r> >fixnum fixnum+fast ] }
{ - [ >r >fixnum r> >fixnum fixnum-fast ] }
{ * [ >r >fixnum r> >fixnum fixnum*fast ] }
{ + [ [ >fixnum ] bi@ fixnum+fast ] }
{ - [ [ >fixnum ] bi@ fixnum-fast ] }
{ * [ [ >fixnum ] bi@ fixnum*fast ] }
{ shift [ [ >fixnum ] bi@ fixnum-shift-fast ] }
} [
[
>r derived-ops r> [
[
dup remove-overflow-check?
over coerced-to-fixnum? or
] ,
[ f splice-quot ] curry ,
] { } make 1array define-optimizers
[
dup remove-overflow-check?
over coerced-to-fixnum? or
] ,
[ f splice-quot ] curry ,
] { } make 1array define-optimizers
] curry each
] assoc-each
: convert-rem-to-and? ( #call -- ? )
@ -461,14 +411,14 @@ most-negative-fixnum most-positive-fixnum [a,b]
dup node-in-d second node-literal 1-
[ nip bitand ] curry f splice-quot ;
{ mod bignum-mod fixnum-mod } [
\ mod [
{
{
[ dup convert-mod-to-and? ]
[ convert-mod-to-and ]
}
} define-optimizers
] each
] each-derived-op
\ rem {
{
@ -481,7 +431,7 @@ most-negative-fixnum most-positive-fixnum [a,b]
dup node-in-d second node-interval fixnum fits? ;
: fixnumify-bitand ( #call -- node )
[ >r >fixnum r> >fixnum fixnum-bitand ] f splice-quot ;
[ [ >fixnum ] bi@ fixnum-bitand ] f splice-quot ;
\ bitand {
{

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@ -0,0 +1,13 @@
IN: optimizer.math.partial.tests
USING: optimizer.math.partial tools.test math kernel
sequences ;
[ t ] [ \ + integer fixnum math-both-known? ] unit-test
[ t ] [ \ + bignum fixnum math-both-known? ] unit-test
[ t ] [ \ + integer bignum math-both-known? ] unit-test
[ t ] [ \ + float fixnum math-both-known? ] unit-test
[ f ] [ \ + real fixnum math-both-known? ] unit-test
[ f ] [ \ + object number math-both-known? ] unit-test
[ f ] [ \ number= fixnum object math-both-known? ] unit-test
[ t ] [ \ number= integer fixnum math-both-known? ] unit-test
[ f ] [ \ >fixnum \ shift derived-ops memq? ] unit-test

View File

@ -0,0 +1,172 @@
! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel kernel.private math math.private words
sequences parser namespaces assocs quotations arrays
generic generic.math hashtables effects ;
IN: optimizer.math.partial
! Partial dispatch.
! This code will be overhauled and generalized when
! multi-methods go into the core.
PREDICATE: math-partial < word
"derived-from" word-prop >boolean ;
: fixnum-integer-op ( a b fix-word big-word -- c )
pick tag 0 eq? [
drop execute
] [
>r drop >r fixnum>bignum r> r> execute
] if ; inline
: integer-fixnum-op ( a b fix-word big-word -- c )
>r pick tag 0 eq? [
r> drop execute
] [
drop fixnum>bignum r> execute
] if ; inline
: integer-integer-op ( a b fix-word big-word -- c )
pick tag 0 eq? [
integer-fixnum-op
] [
>r drop over tag 0 eq? [
>r fixnum>bignum r> r> execute
] [
r> execute
] if
] if ; inline
<<
: integer-op-combinator ( triple -- word )
[
[ second word-name % "-" % ]
[ third word-name % "-op" % ]
bi
] "" make in get lookup ;
: integer-op-word ( triple fix-word big-word -- word )
[
drop
word-name "fast" tail? >r
[ "-" % ] [ word-name % ] interleave
r> [ "-fast" % ] when
] "" make in get create ;
: integer-op-quot ( word fix-word big-word -- quot )
rot integer-op-combinator 1quotation 2curry ;
: define-integer-op-word ( word fix-word big-word -- )
[
[ integer-op-word ] [ integer-op-quot ] 3bi
2 1 <effect> define-declared
]
[
[ integer-op-word ] [ 2drop ] 3bi
"derived-from" set-word-prop
] 3bi ;
: define-integer-op-words ( words fix-word big-word -- )
[ define-integer-op-word ] 2curry each ;
: integer-op-triples ( word -- triples )
{
{ fixnum integer }
{ integer fixnum }
{ integer integer }
} swap [ prefix ] curry map ;
: define-integer-ops ( word fix-word big-word -- )
>r >r integer-op-triples r> r>
[ define-integer-op-words ]
[ [ 2drop ] [ [ integer-op-word ] 2curry map ] 3bi zip % ]
3bi ;
: define-math-ops ( op -- )
{ fixnum bignum float }
[ [ dup 3array ] [ swap method ] 2bi ] with { } map>assoc
[ nip ] assoc-subset
[ word-def peek ] assoc-map % ;
SYMBOL: math-ops
[
\ + define-math-ops
\ - define-math-ops
\ * define-math-ops
\ shift define-math-ops
\ mod define-math-ops
\ /i define-math-ops
\ bitand define-math-ops
\ bitor define-math-ops
\ bitxor define-math-ops
\ < define-math-ops
\ <= define-math-ops
\ > define-math-ops
\ >= define-math-ops
\ number= define-math-ops
\ + \ fixnum+ \ bignum+ define-integer-ops
\ - \ fixnum- \ bignum- define-integer-ops
\ * \ fixnum* \ bignum* define-integer-ops
\ shift \ fixnum-shift \ bignum-shift define-integer-ops
\ mod \ fixnum-mod \ bignum-mod define-integer-ops
\ /i \ fixnum/i \ bignum/i define-integer-ops
\ bitand \ fixnum-bitand \ bignum-bitand define-integer-ops
\ bitor \ fixnum-bitor \ bignum-bitor define-integer-ops
\ bitxor \ fixnum-bitxor \ bignum-bitxor define-integer-ops
\ < \ fixnum< \ bignum< define-integer-ops
\ <= \ fixnum<= \ bignum<= define-integer-ops
\ > \ fixnum> \ bignum> define-integer-ops
\ >= \ fixnum>= \ bignum>= define-integer-ops
\ number= \ eq? \ bignum= define-integer-ops
] { } make >hashtable math-ops set-global
SYMBOL: fast-math-ops
[
{ { + fixnum fixnum } fixnum+fast } ,
{ { - fixnum fixnum } fixnum-fast } ,
{ { * fixnum fixnum } fixnum*fast } ,
{ { shift fixnum fixnum } fixnum-shift-fast } ,
\ + \ fixnum+fast \ bignum+ define-integer-ops
\ - \ fixnum-fast \ bignum- define-integer-ops
\ * \ fixnum*fast \ bignum* define-integer-ops
\ shift \ fixnum-shift-fast \ bignum-shift define-integer-ops
] { } make >hashtable fast-math-ops set-global
>>
: math-op ( word left right -- word' ? )
3array math-ops get at* ;
: math-method* ( word left right -- quot )
3dup math-op
[ >r 3drop r> 1quotation ] [ drop math-method ] if ;
: math-both-known? ( word left right -- ? )
3dup math-op
[ 2drop 2drop t ]
[ drop math-class-max swap specific-method >boolean ] if ;
: (derived-ops) ( word assoc -- words )
swap [ rot first eq? nip ] curry assoc-subset values ;
: derived-ops ( word -- words )
[ 1array ]
[ math-ops get (derived-ops) ]
bi append ;
: fast-derived-ops ( word -- words )
fast-math-ops get (derived-ops) ;
: all-derived-ops ( word -- words )
[ derived-ops ] [ fast-derived-ops ] bi append ;
: each-derived-op ( word quot -- )
>r derived-ops r> each ; inline