summaryrefslogtreecommitdiff
path: root/omega/examples/old_test/saman
diff options
context:
space:
mode:
Diffstat (limited to 'omega/examples/old_test/saman')
-rw-r--r--omega/examples/old_test/saman20
1 files changed, 20 insertions, 0 deletions
diff --git a/omega/examples/old_test/saman b/omega/examples/old_test/saman
new file mode 100644
index 0000000..bf44452
--- /dev/null
+++ b/omega/examples/old_test/saman
@@ -0,0 +1,20 @@
+# Passing array sections through array reshaping
+# procedure foo()
+# real a(1:5,1:64,1:64,1:5)
+# for i = 1 to 64 do
+# for j = 1 to 64 do
+# bar(a(1,i,j,1))
+# ...
+# procedure bar(x(*))
+# x(1:5) = ...
+#
+# Question which element of a are effected by the call to bar?
+#
+symbolic i,j;
+R := {[i1,i2,i3,i4] -> [o1] :
+ (i1-1) + (i2-i)*5 + (i3-j)*5*64 + (i4-1)*5*64*64
+ = o1-1
+ && 1 <= i1,i4 <= 5
+ && 1 <= i,j,i2,i3 <= 64};
+R;
+(inverse R)({[1:5]});