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authorsharkdp <davidpeter@web.de>2020-09-14 10:43:44 +0200
committerDavid Peter <sharkdp@users.noreply.github.com>2020-09-30 19:50:19 +0200
commitc9237cccab7c86c246fc435aaa151729754045ff (patch)
tree6e5ac6ccffb31b7bebd0e7845cad9b839d06ad0d
parent02cd68db3788775ee3fb45054cf6576c145f1d2a (diff)
Add AWK file for syntax tests
-rw-r--r--tests/syntax-tests/highlighted/AWK/quicksort.awk35
-rw-r--r--tests/syntax-tests/source/AWK/quicksort.awk35
2 files changed, 70 insertions, 0 deletions
diff --git a/tests/syntax-tests/highlighted/AWK/quicksort.awk b/tests/syntax-tests/highlighted/AWK/quicksort.awk
new file mode 100644
index 00000000..66e8df97
--- /dev/null
+++ b/tests/syntax-tests/highlighted/AWK/quicksort.awk
@@ -0,0 +1,35 @@
+# quicksort.awk --- Quicksort algorithm, with user-supplied
+# comparison function
+#
+# Arnold Robbins, arnold@skeeve.com, Public Domain
+# January 2009
+
+
+# quicksort --- C.A.R. Hoare's quicksort algorithm. See Wikipedia
+# or almost any algorithms or computer science text.
+#
+# Adapted from K&R-II, page 110
+
+function quicksort(data, left, right, less_than, i, last)
+{
+ if (left >= right) # do nothing if array contains fewer
+ return # than two elements
+
+ quicksort_swap(data, left, int((left + right) / 2))
+ last = left
+ for (i = left + 1; i <= right; i++)
+ if (@less_than(data[i], data[left]))
+ quicksort_swap(data, ++last, i)
+ quicksort_swap(data, left, last)
+ quicksort(data, left, last - 1, less_than)
+ quicksort(data, last + 1, right, less_than)
+}
+
+# quicksort_swap --- helper function for quicksort, should really be inline
+
+function quicksort_swap(data, i, j, temp)
+{
+ temp = data[i]
+ data[i] = data[j]
+ data[j] = temp
+}
diff --git a/tests/syntax-tests/source/AWK/quicksort.awk b/tests/syntax-tests/source/AWK/quicksort.awk
new file mode 100644
index 00000000..e0ed8bc7
--- /dev/null
+++ b/tests/syntax-tests/source/AWK/quicksort.awk
@@ -0,0 +1,35 @@
+# quicksort.awk --- Quicksort algorithm, with user-supplied
+# comparison function
+#
+# Arnold Robbins, arnold@skeeve.com, Public Domain
+# January 2009
+
+
+# quicksort --- C.A.R. Hoare's quicksort algorithm. See Wikipedia
+# or almost any algorithms or computer science text.
+#
+# Adapted from K&R-II, page 110
+
+function quicksort(data, left, right, less_than, i, last)
+{
+ if (left >= right) # do nothing if array contains fewer
+ return # than two elements
+
+ quicksort_swap(data, left, int((left + right) / 2))
+ last = left
+ for (i = left + 1; i <= right; i++)
+ if (@less_than(data[i], data[left]))
+ quicksort_swap(data, ++last, i)
+ quicksort_swap(data, left, last)
+ quicksort(data, left, last - 1, less_than)
+ quicksort(data, last + 1, right, less_than)
+}
+
+# quicksort_swap --- helper function for quicksort, should really be inline
+
+function quicksort_swap(data, i, j, temp)
+{
+ temp = data[i]
+ data[i] = data[j]
+ data[j] = temp
+}