for loops

test/circuits/add.circom

@@ -0,0 +1,9 @@
+
+template Add() {
+    signal input in[2];
+    signal output out;
+
+    out <== in[0] + in[1];
+}
+
+component main = Add();

test/circuits/addconst1.circom

@@ -0,0 +1,16 @@
+
+
+template AddConst(c) {
+    signal input in;
+    signal output out;
+    var a = 2;
+    var b = 3;
+    a=a+b;
+    a=a+4;
+    a=a+c;
+
+    out <== 5 + a + in;
+}
+
+// It should out <== in + 1+2+3+4+5 = in + 15
+component main = AddConst(1);

test/circuits/addin.json

@@ -0,0 +1 @@
+{"in":[1,2]}

test/circuits/forrolled.circom

@@ -0,0 +1,14 @@
+template ForRolled() {
+    signal input in;
+    signal output out;
+
+    var acc = 0;
+
+    for (var i=0; i<in; i = i+1) {
+        acc = acc + 1;
+    }
+
+    out <== acc;
+}
+
+component main = ForRolled();

test/circuits/forunrolled.circom

@@ -0,0 +1,10 @@
+template ForUnrolled(n) {
+    signal input in;
+    signal output out[n];
+
+    for (var i=0; i<n; i = i+1) {
+        out[i] <== in + i;
+    }
+}
+
+component main = ForUnrolled(3);

test/circuits/in.json

@@ -1 +1 @@
-{ "in1": 1, "in2": [2,3], "in3":[[4,5],[6,7],[8,9]] }
+{"in": 0}

test/circuits/out.json

@@ -0,0 +1,5 @@
+[
+ "1"
+,"0"
+,"0"
+]