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Fix bootstrap

release
Doug Coleman 2007-12-04 15:12:47 -06:00
parent 8b5402afa3
commit 023a1defb5
1 changed files with 12 additions and 25 deletions
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37
extra/random-tester/random/random.factor
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@ -1,22 +1,12 @@
USING: kernel math sequences namespaces errors hashtables words USING: kernel math sequences namespaces hashtables words
arrays parser compiler syntax io tools prettyprint optimizer arrays parser compiler syntax io prettyprint optimizer
inference ; random math.constants math.functions layouts random-tester.utils ;
IN: random-tester IN: random-tester
! Tweak me ! Tweak me
: max-length 15 ; inline : max-length 15 ; inline
: max-value 1000000000 ; inline : max-value 1000000000 ; inline
: 10% ( -- bool ) 10 random 8 > ;
: 20% ( -- bool ) 10 random 7 > ;
: 30% ( -- bool ) 10 random 6 > ;
: 40% ( -- bool ) 10 random 5 > ;
: 50% ( -- bool ) 10 random 4 > ;
: 60% ( -- bool ) 10 random 3 > ;
: 70% ( -- bool ) 10 random 2 > ;
: 80% ( -- bool ) 10 random 1 > ;
: 90% ( -- bool ) 10 random 0 > ;
! varying bit-length random number ! varying bit-length random number
: random-bits ( n -- int ) : random-bits ( n -- int )
random 2 swap ^ random ; random 2 swap ^ random ;
@ -31,32 +21,29 @@ IN: random-tester
SYMBOL: special-integers SYMBOL: special-integers
[ { -1 0 1 } % most-negative-fixnum , most-positive-fixnum , first-bignum , ] [ { -1 0 1 } % most-negative-fixnum , most-positive-fixnum , first-bignum , ]
{ } make \ special-integers set-global { } make \ special-integers set-global
: special-integers ( -- seq ) \ special-integers get ;
SYMBOL: special-floats SYMBOL: special-floats
[ { 0.0 -0.0 } % e , pi , 1./0. , -1./0. , 0./0. , epsilon , epsilon neg , ] [ { 0.0 -0.0 } % e , pi , 1./0. , -1./0. , 0./0. , epsilon , epsilon neg , ]
{ } make \ special-floats set-global { } make \ special-floats set-global
: special-floats ( -- seq ) \ special-floats get ;
SYMBOL: special-complexes SYMBOL: special-complexes
[ [
{ -1 0 1 i -i } % { -1 0 1 C{ 0 1 } C{ 0 -1 } } %
e , e neg , pi , pi neg , e , e neg , pi , pi neg ,
0 pi rect> , 0 pi neg rect> , pi neg 0 rect> , pi pi rect> , 0 pi rect> , 0 pi neg rect> , pi neg 0 rect> , pi pi rect> ,
pi pi neg rect> , pi neg pi rect> , pi neg pi neg rect> , pi pi neg rect> , pi neg pi rect> , pi neg pi neg rect> ,
e neg e neg rect> , e e rect> , e neg e neg rect> , e e rect> ,
] { } make \ special-complexes set-global ] { } make \ special-complexes set-global
: special-complexes ( -- seq ) \ special-complexes get ;
: random-fixnum ( -- fixnum ) : random-fixnum ( -- fixnum )
most-positive-fixnum random 1+ coin-flip [ neg 1- ] when >fixnum ; most-positive-fixnum random 1+ 50% [ neg 1- ] when >fixnum ;
: random-bignum ( -- bignum ) : random-bignum ( -- bignum )
400 random-bits first-bignum + coin-flip [ neg ] when ; 400 random-bits first-bignum + 50% [ neg ] when ;
: random-integer ( -- n ) : random-integer ( -- n )
coin-flip [ 50% [
random-fixnum random-fixnum
] [ ] [
coin-flip [ random-bignum ] [ special-integers random ] if 50% [ random-bignum ] [ special-integers get random ] if
] if ; ] if ;
: random-positive-integer ( -- int ) : random-positive-integer ( -- int )
@ -67,12 +54,12 @@ SYMBOL: special-complexes
] if ; ] if ;
: random-ratio ( -- ratio ) : random-ratio ( -- ratio )
1000000000 dup [ random ] 2apply 1+ / coin-flip [ neg ] when dup [ drop random-ratio ] unless 10% [ drop 0 ] when ; 1000000000 dup [ random ] 2apply 1+ / 50% [ neg ] when dup [ drop random-ratio ] unless 10% [ drop 0 ] when ;
: random-float ( -- float ) : random-float ( -- float )
coin-flip [ random-ratio ] [ special-floats random ] if 50% [ random-ratio ] [ special-floats get random ] if
coin-flip 50%
[ .0000000000000000001 /f ] [ coin-flip [ .00000000000000001 * ] when ] if [ .0000000000000000001 /f ] [ 50% [ .00000000000000001 * ] when ] if
>float ; >float ;
: random-number ( -- number ) : random-number ( -- number )