Allows pass signal arrays to a function

test/basiccases.js

@@ -46,7 +46,7 @@ async function doTest(tester, circuit, testVectors) {
 describe("basic cases", function () {
     this.timeout(100000);
 
-    for (let i=0; i<basicCases.length; i++) {
+    for (let i=0; i< basicCases.length; i++) {
         it("c/c++ " + basicCases[i].name, async () => {
             await doTest(c_tester, basicCases[i].circuit, basicCases[i].tv);
         });

test/basiccases.json

@@ -14,6 +14,17 @@
             }]
         ]
     },
+    {
+        "name": "fnarray",
+        "circuit": "fnarray.circom",
+        "tv": [
+            [{
+                "in": [1, 8, 25]
+            }, {
+                "out": [2, 16, 50]
+            }]
+        ]
+    },
     {
         "name": "add",
         "circuit": "add.circom",

test/circuits/fnarray.circom

@@ -0,0 +1,21 @@
+
+
+
+
+function calc(h) {
+    var res[3];
+    for (var i=0; i<3; i++) res[i] = h[i]*2;
+    return res;
+}
+
+template Test() {
+    signal input in[3];
+    signal output out[3];
+
+    var cout[3]  = calc(in);
+    for (var i=0; i<3; i++) out[i] <-- cout[i];
+
+    for (var i=0; i<3; i++) out[i] === in[i]*2;
+}
+
+component main = Test();