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author | rubidium <rubidium@openttd.org> | 2009-02-25 01:21:50 +0000 |
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committer | rubidium <rubidium@openttd.org> | 2009-02-25 01:21:50 +0000 |
commit | 1ad50ce4e6ed74c8eeb89a1f2780e6ed58a72b2b (patch) | |
tree | 0955433146cc59335ddaac1d6e08eb177a9ead61 /src/3rdparty/squirrel/samples/matrix.nut | |
parent | 66a8c0a1325e1f8717150dc6bbe1bcb4fb458bef (diff) | |
download | openttd-1ad50ce4e6ed74c8eeb89a1f2780e6ed58a72b2b.tar.xz |
(svn r15578) -Change: unexternalise squirrel.
Diffstat (limited to 'src/3rdparty/squirrel/samples/matrix.nut')
-rw-r--r-- | src/3rdparty/squirrel/samples/matrix.nut | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/3rdparty/squirrel/samples/matrix.nut b/src/3rdparty/squirrel/samples/matrix.nut new file mode 100644 index 000000000..c8b16c65a --- /dev/null +++ b/src/3rdparty/squirrel/samples/matrix.nut @@ -0,0 +1,44 @@ +/* +* +* Original Javascript version by David Hedbor(http://www.bagley.org/~doug/shootout/) +* +*/ +local SIZE=30; + +function mkmatrix(rows, cols) { + local i, j, count = 1; + local m = []; m.resize(rows); + for (i = 0; i < rows; i+=1) { + m[i] = [];m[i].resize(cols) + for (j = 0; j < cols; j+=1) { + m[i][j] = count+=1; + } + } + return m; +} + +function mmult(rows, cols, m1, m2, m3) { + local i, j, k, val; + for (i = 0; i < rows; i+=1) { + for (j = 0; j < cols; j+=1) { + val = 0; + for (k = 0; k < cols; k+=1) { + val += m1[i][k] * m2[k][j]; + } + m3[i][j] = val; + } + } + return m3; +} + +local n = ARGS.len()!=0?ARGS[0].tointeger():1 + +local m1 = mkmatrix(SIZE, SIZE); +local m2 = mkmatrix(SIZE, SIZE); +local mm = mkmatrix(SIZE, SIZE); + +for (local i = 0; i < n; i+=1) { + mmult(SIZE, SIZE, m1, m2, mm); +} + +print(mm[0][0]+" "+mm[2][3]+" "+mm[3][2]+" "+mm[4][4]); |