Add MaxPooling2Dsame and MaxPooling2Dsame_stride test circuits and their dependencies

test/MaxPooling2Dsame.js

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+const chai = require("chai");
+const path = require("path");
+
+const wasm_tester = require("circom_tester").wasm;
+
+const F1Field = require("ffjavascript").F1Field;
+const Scalar = require("ffjavascript").Scalar;
+exports.p = Scalar.fromString("21888242871839275222246405745257275088548364400416034343698204186575808495617");
+const Fr = new F1Field(exports.p);
+
+const assert = chai.assert;
+
+describe("MaxPooling2Dsame layer test", function () {
+    this.timeout(100000000);
+
+    // MaxPooling with strides==poolSize
+    it("(5,5,3) -> (3,3,3)", async () => {
+        const INPUT = require("../models/maxPooling2Dsame_input.json");
+
+        const circuit = await wasm_tester(path.join(__dirname, "circuits", "MaxPooling2Dsame_test.circom"));
+
+        const witness = await circuit.calculateWitness(INPUT, true);
+
+        assert(Fr.eq(Fr.e(witness[0]),Fr.e(1)));
+    });
+
+    // MaxPooling with strides!=poolSize
+    it("(10,10,3) -> (4,4,3)", async () => {
+        const INPUT = require("../models/maxPooling2Dsame_stride_input.json");
+
+        const circuit = await wasm_tester(path.join(__dirname, "circuits", "MaxPooling2Dsame_stride_test.circom"));
+
+        const witness = await circuit.calculateWitness(INPUT, true);
+
+        assert(Fr.eq(Fr.e(witness[0]),Fr.e(1)));
+    });
+});

test/circuits/MaxPooling2Dsame_stride_test.circom

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+pragma circom 2.0.0;
+
+include "../../circuits/MaxPooling2Dsame.circom";
+
+component main = MaxPooling2Dsame(10, 10, 3, 2, 3);

test/circuits/MaxPooling2Dsame_test.circom

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+pragma circom 2.0.0;
+
+include "../../circuits/MaxPooling2Dsame.circom";
+
+// poolSize=strides - default Keras settings
+component main = MaxPooling2Dsame(5, 5, 3, 2, 2);