diff options
Diffstat (limited to 'src/Java/gtPlusPlus/core')
| -rw-r--r-- | src/Java/gtPlusPlus/core/util/data/ArrayUtils.java | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/Java/gtPlusPlus/core/util/data/ArrayUtils.java b/src/Java/gtPlusPlus/core/util/data/ArrayUtils.java index 52316c8a43..1ff67892e7 100644 --- a/src/Java/gtPlusPlus/core/util/data/ArrayUtils.java +++ b/src/Java/gtPlusPlus/core/util/data/ArrayUtils.java @@ -51,6 +51,19 @@ public class ArrayUtils { } return c; } + + public static <T> T[][] rotateArrayClockwise(T[][] mat) { + final int M = mat.length; + final int N = mat[0].length; + @SuppressWarnings("unchecked") + T[][] ret = (T[][]) new Object[N][M]; + for (int r = 0; r < M; r++) { + for (int c = 0; c < N; c++) { + ret[c][M-1-r] = mat[r][c]; + } + } + return ret; + } } |