diff options
Diffstat (limited to 'comparison/Haskell')
| -rw-r--r-- | comparison/Haskell/Makefile | 7 | ||||
| -rw-r--r-- | comparison/Haskell/fib-38.hs | 6 | ||||
| -rw-r--r-- | comparison/Haskell/nqueen-12.hs | 21 |
3 files changed, 32 insertions, 2 deletions
diff --git a/comparison/Haskell/Makefile b/comparison/Haskell/Makefile index 13a1b83..ee4e347 100644 --- a/comparison/Haskell/Makefile +++ b/comparison/Haskell/Makefile @@ -1,7 +1,7 @@ CC = stack ghc CFLAGS = -O2 BENCHMARK = bash ../tools/sptest_commands.sh -TARGET = ack3-11 fib38 bsort-20000 isort-20000 qsort-260000 msort-260000 +TARGET = nqueen-12 ack3-11 fib-38 bsort-20000 isort-20000 qsort-260000 msort-260000 LOG = log.txt @@ -12,10 +12,13 @@ all: $(LOG) $(LOG): $(TARGET) $(BENCHMARK) $(TARGET) +nqueen-12: nqueen-12.hs + $(CC) -- $(CFLAGS) $< + ack3-11: ack3-11.hs $(CC) -- $(CFLAGS) $< -fib38: fib38.hs +fib-38: fib-38.hs $(CC) -- $(CFLAGS) $< bsort-20000: bsort-20000.hs diff --git a/comparison/Haskell/fib-38.hs b/comparison/Haskell/fib-38.hs new file mode 100644 index 0000000..658d228 --- /dev/null +++ b/comparison/Haskell/fib-38.hs @@ -0,0 +1,6 @@ +fib 0 = 0 +fib 1 = 1 +fib n = fib (n - 2) + fib (n - 1) + + +main = print $ fib 38 diff --git a/comparison/Haskell/nqueen-12.hs b/comparison/Haskell/nqueen-12.hs new file mode 100644 index 0000000..1efb57b --- /dev/null +++ b/comparison/Haskell/nqueen-12.hs @@ -0,0 +1,21 @@ +member x [] = False +member x (y:ys) + | x==y = True + | otherwise = member x ys + +threat k m [] = False +threat k m (x:xs) + | (k == x-m) || (k == m-x) = True + | otherwise = threat (k+1) m xs + + +queen1 0 b n = [] +queen1 m b n + | (member m b) || (threat 1 m b) = (queen1 (m-1) b n) + | (length b) == (n-1) = [m:b] ++ (queen1 (m-1) b n) + | otherwise = (queen1 n (m:b) n) ++ (queen1 (m-1) b n) + +queen n = queen1 n [] n + +n=12 +main = print $ (length (queen n)) |