Merge branch 'master' of git://factorcode.org/git/factor
commit
d2f0ee3d1c
|
@ -16,4 +16,4 @@ IN: benchmark.mandel.colors
|
|||
] with map ;
|
||||
|
||||
: color-map ( -- map )
|
||||
nb-iter max-color min <color-map> ; foldable
|
||||
max-iterations max-color min <color-map> ; foldable
|
||||
|
|
|
@ -1,16 +1,11 @@
|
|||
! Copyright (C) 2005, 2008 Slava Pestov.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: arrays io kernel math math.functions math.order
|
||||
math.parser sequences locals byte-arrays byte-vectors io.files
|
||||
io.encodings.binary benchmark.mandel.params
|
||||
math.parser sequences byte-arrays byte-vectors io.files
|
||||
io.encodings.binary fry namespaces benchmark.mandel.params
|
||||
benchmark.mandel.colors ;
|
||||
IN: benchmark.mandel
|
||||
|
||||
: iter ( c z nb-iter -- x )
|
||||
dup 0 <= [ 2nip ] [
|
||||
over absq 4.0 >= [ 2nip ] [
|
||||
>r sq dupd + r> 1- iter
|
||||
] if
|
||||
] if ; inline recursive
|
||||
|
||||
: x-inc width 200000 zoom-fact * / ; inline
|
||||
: y-inc height 150000 zoom-fact * / ; inline
|
||||
|
||||
|
@ -19,27 +14,27 @@ IN: benchmark.mandel
|
|||
[ y-inc * center imaginary-part y-inc height 2 / * - + >float ] bi*
|
||||
rect> ; inline
|
||||
|
||||
:: render ( accum -- )
|
||||
height [
|
||||
width swap [
|
||||
c C{ 0.0 0.0 } nb-iter iter dup zero?
|
||||
[ drop B{ 0 0 0 } ] [ color-map [ length mod ] keep nth ] if
|
||||
accum push-all
|
||||
] curry each
|
||||
] each ; inline
|
||||
: count-iterations ( z max-iterations step-quot test-quot -- #iters )
|
||||
'[ drop @ dup @ ] find-last-integer nip ; inline
|
||||
|
||||
:: ppm-header ( accum -- )
|
||||
"P6\n" accum push-all
|
||||
width number>string accum push-all
|
||||
" " accum push-all
|
||||
height number>string accum push-all
|
||||
"\n255\n" accum push-all ; inline
|
||||
: pixel ( c -- iterations )
|
||||
[ C{ 0.0 0.0 } max-iterations ] dip
|
||||
'[ sq , + ] [ absq 4.0 >= ] count-iterations ; inline
|
||||
|
||||
: color ( iterations -- color )
|
||||
[ color-map [ length mod ] keep nth ] [ B{ 0 0 0 } ] if* ; inline
|
||||
|
||||
: render ( -- )
|
||||
height [ width swap '[ , c pixel color % ] each ] each ; inline
|
||||
|
||||
: ppm-header ( -- )
|
||||
"P6\n" % width # " " % height # "\n255\n" % ; inline
|
||||
|
||||
: buf-size ( -- n ) width height * 3 * 100 + ; inline
|
||||
|
||||
: mandel ( -- data )
|
||||
buf-size <byte-vector>
|
||||
[ ppm-header ] [ render ] [ B{ } like ] tri ;
|
||||
[ building [ ppm-header render ] with-variable ] [ B{ } like ] bi ;
|
||||
|
||||
: mandel-main ( -- )
|
||||
mandel "mandel.ppm" temp-file binary set-file-contents ;
|
||||
|
|
|
@ -1,8 +1,8 @@
|
|||
IN: benchmark.mandel.params
|
||||
|
||||
: max-color 360 ; inline
|
||||
: zoom-fact 0.8 ; inline
|
||||
: width 640 ; inline
|
||||
: height 480 ; inline
|
||||
: nb-iter 40 ; inline
|
||||
: center -0.65 ; inline
|
||||
: max-color 360 ; inline
|
||||
: zoom-fact 0.8 ; inline
|
||||
: width 640 ; inline
|
||||
: height 480 ; inline
|
||||
: max-iterations 40 ; inline
|
||||
: center -0.65 ; inline
|
||||
|
|
Loading…
Reference in New Issue