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authorShinya Sato <shinnya.sato@gmail.com>2021-10-24 23:04:45 +0900
committerShinya Sato <shinnya.sato@gmail.com>2021-10-24 23:04:45 +0900
commit787dc13c837f0955fbd85b8f26a05d720d361333 (patch)
treefec3abebb1e867e8b2239d7cf07b4c7d13ce0f81 /comparison/Inpla/src/qsort-800000.in
parente607a57dfafb784c4e27da143214afb2ccd07fbf (diff)
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Diffstat (limited to 'comparison/Inpla/src/qsort-800000.in')
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diff --git a/comparison/Inpla/src/qsort-800000.in b/comparison/Inpla/src/qsort-800000.in
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+++ b/comparison/Inpla/src/qsort-800000.in
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+// Quick sort
+QS(ret) >< [] => ret~[];
+QS(ret) >< (int x):xs =>
+ Part(x, left, right)~xs,
+ QS(cntl)~left, QS(cntr)~right,
+ Append(ret, x:cntl)~cntr;
+
+// Note: `Append' is implemented as built-in.
+
+// Apnd(ret, a)~b --> ret ~ b@a
+//Apnd(ret, a) >< [] => ret~a;
+//Apnd(ret, a) >< x:xs => ret~(x:cnt), Apnd(cnt, a)~xs;
+
+Part(int x, a, b) >< [] => a~[], b~[];
+Part(int x, a, b) >< (int y):ys
+| y<x => b~(y:cnt), Part(x, a, cnt)~ys
+| _ => a~(y:cnt), Part(x, cnt, b)~ys;
+
+
+const LIST_ELEM=800000;
+
+MkRandList(ret) >< (int n)
+| n>0 => ret~(rd:cnt), MkRandList(cnt)~(n-1)
+ where rd=rand(10000)
+| _ => ret~[];
+
+MkRandList(cnt)~(LIST_ELEM),
+QS(ret)~cnt;
+ret;