constants

test/basiccases.js

@@ -87,4 +87,14 @@ describe("basic cases", function () {
             ]
         );
     });
+    it("constants1", async () => {
+        await doTest(
+            "constants1.circom",
+            [
+                [{in: 0}, {out: 42}],
+                [{in: 10}, {out: 52}],
+                [{in: __P__.minus(2)}, {out: 40}],
+            ]
+        );
+    });
 });

test/circuits/constants1.circom

@@ -0,0 +1,39 @@
+
+
+
+template Add(n) {
+    signal input in[n];
+    signal output out;
+
+    var lc = 0;
+    for (var i=0; i<n; i++) {
+        lc = lc + in[i];
+    }
+
+    out <== lc;
+}
+
+function FAdd(a,b) {
+    return a+b;
+}
+
+template Main() {
+    signal input in;
+    signal output out;
+
+    var o = FAdd(3,4);
+    o = o + FAdd(3,4);
+    o = o + FAdd(3,4);  // o = 21
+
+    component A1 = Add(2);
+    A1.in[0] <== in;
+    A1.in[1] <== o;
+
+    component A2 = Add(2);
+    A2.in[0] <== A1.out;
+    A2.in[1] <== o;
+
+    out <== A2.out; // in + 42
+}
+
+component main = Main();