<snapdata remixID="9132277"><project name="dbitko-2020-01-07-iteration-practice-4" app="Snap! 5.4, http://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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w="303.3333333333333" collapsed="false">call with True to turn on the entire Scheme numeric tower, including infinite-precision integers, exact rationals, and complex numbers; call with False to restore native JavaScript arithmetic.</comment><header></header><code></code><translations>pt:altera utilização de aritmética do Scheme para _&#xD;</translations><inputs><input type="%b"></input></inputs><script><block s="doDeclareVariables"><list><l>isDone</l></list></block><block s="doSetVar"><l>isDone</l><block s="evaluate"><block s="reportJSFunction"><list><l>useBigNums</l></list><l>var done = false;&#xD;&#xD;function initialize (callback) {&#xD;    var bigScript = document.createElement(&apos;script&apos;);&#xD;    bigScript.src = &apos;//snap.berkeley.edu/snapsource/libraries/biginteger.js&apos;;&#xD;    bigScript.onload = loadScheme;&#xD;    document.head.appendChild(bigScript);&#xD;&#xD;    function loadScheme () {&#xD;        var schemeScript = document.createElement(&apos;script&apos;);&#xD;        schemeScript.src = &apos;//snap.berkeley.edu/snapsource/libraries/schemeNumber.js&apos;;&#xD;        schemeScript.onload = finish;&#xD;        document.head.appendChild(schemeScript);&#xD;    }&#xD;&#xD;    function finish () {&#xD;        makeGlobalObject();&#xD;        callback();&#xD;    }&#xD;}&#xD;&#xD;function makeGlobalObject () {&#xD;    window.bigNumbers = {&#xD;        originalEvaluate: InputSlotMorph.prototype.evaluate,&#xD;        originalChangeVar: VariableFrame.prototype.changeVar,&#xD;        originalPrims: {&#xD;            reportSum: Process.prototype.reportSum,&#xD;            reportDifference: Process.prototype.reportDifference,&#xD;            reportProduct: Process.prototype.reportProduct,&#xD;            reportQuotient: Process.prototype.reportQuotient,&#xD;            reportPower: Process.prototype.reportPower,&#xD;            reportModulus: Process.prototype.reportModulus,&#xD;            reportRandom: Process.prototype.reportRandom,&#xD;            reportLessThan: Process.prototype.reportLessThan,&#xD;            reportGreaterThan: Process.prototype.reportGreaterThan,&#xD;            reportEquals: Process.prototype.reportEquals,&#xD;            reportIsIdentical: Process.prototype.reportIsIdentical,&#xD;            reportMonadic: Process.prototype.reportMonadic&#xD;        }&#xD;    };&#xD;}&#xD;&#xD;function loadBlocks () {&#xD;    var fn = SchemeNumber.fn;&#xD;    var originalPrims = window.bigNumbers.originalPrims;&#xD;    if (useBigNums) {&#xD;        InputSlotMorph.prototype.evaluate = function () {&#xD;            var contents = this.contents();&#xD;            if (this.constant) {&#xD;                return this.constant;&#xD;            }&#xD;            if (this.isNumeric) {&#xD;                return parseNumber(contents.text || &apos;0&apos;);&#xD;            }&#xD;            return contents.text;&#xD;        };&#xD;        VariableFrame.prototype.changeVar = function (name, delta, sender) {&#xD;            var frame = this.find(name),&#xD;                value,&#xD;                newValue;&#xD;            if (frame) {&#xD;                value = parseNumber(frame.vars[name].value);&#xD;                newValue = value !== value ? delta : value + parseNumber(delta);&#xD;                if (sender instanceof SpriteMorph &amp;&amp;&#xD;                        (frame.owner instanceof SpriteMorph) &amp;&amp;&#xD;                        (sender !== frame.owner)) {&#xD;                    sender.shadowVar(name, newValue);&#xD;                } else {&#xD;                    frame.vars[name].value = newValue;&#xD;                }&#xD;&#xD;            }&#xD;        };&#xD;        Object.assign(Process.prototype, {&#xD;            reportSum: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;+&apos;](a, b);&#xD;            },&#xD;            reportDifference: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;-&apos;](a, b);&#xD;            },&#xD;            reportProduct: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;*&apos;](a, b);&#xD;            },&#xD;            reportQuotient: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (fn[&apos;=&apos;](b, &apos;0&apos;) &amp;&amp; !fn[&apos;=&apos;](a, &apos;0&apos;)) {&#xD;                      return (fn[&apos;&lt;&apos;](a, &apos;0&apos;) ? SchemeNumber(&apos;-inf.0&apos;) : SchemeNumber(&apos;+inf.0&apos;))&#xD;                };&#xD;                if (a !== a || b !== b || fn[&apos;=&apos;](b, &apos;0&apos;)) return SchemeNumber(&apos;+nan.0&apos;);&#xD;                return fn[&apos;/&apos;](a, b);&#xD;            },&#xD;            reportPower: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;expt&apos;](a, b);&#xD;            },&#xD;            reportModulus: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                var result = fn.mod(a, b);&#xD;                if (fn[&apos;&lt;&apos;](b, &apos;0&apos;) &amp;&amp; fn[&apos;&gt;&apos;](result, &apos;0&apos;)) {&#xD;                    result = fn[&apos;+&apos;](result, b);&#xD;                }&#xD;                return result;&#xD;            },&#xD;            reportRandom: function (min, max) {&#xD;                var floor = parseNumber(min),&#xD;                    ceil = parseNumber(max);&#xD;                if (floor !== floor || ceil !== ceil) return NaN;&#xD;                if (!fn[&apos;=&apos;](fn.mod(floor, &apos;1&apos;), &apos;0&apos;) || !fn[&apos;=&apos;](fn.mod(ceil, &apos;1&apos;), &apos;0&apos;)) {&#xD;                    // One of the numbers isn&apos;t whole. Include the decimal.&#xD;                    return fn[&apos;+&apos;](&#xD;                        fn[&apos;*&apos;](&#xD;                            Math.random(),&#xD;                            fn[&apos;-&apos;](ceil, floor)&#xD;                        ),&#xD;                        floor&#xD;                    );&#xD;                }&#xD;                return fn.floor(&#xD;                    fn[&apos;+&apos;](&#xD;                        fn[&apos;*&apos;](&#xD;                            Math.random(),&#xD;                            fn[&apos;+&apos;](&#xD;                                fn[&apos;-&apos;](ceil, floor),&#xD;                                &apos;1&apos;&#xD;                            )&#xD;                        ),&#xD;                        floor&#xD;                    )&#xD;                );&#xD;            },&#xD;            reportLessThan: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;&lt;&apos;](a, b);&#xD;            },&#xD;            reportGreaterThan: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;&gt;&apos;](a, b);&#xD;            },&#xD;            reportGreaterThan: function (a, b) {&#xD;                a = parseNumber(a);&#xD;                b = parseNumber(b);&#xD;                if (a !== a || b !== b) return NaN;&#xD;                return fn[&apos;&gt;&apos;](a, b);&#xD;            },&#xD;            reportEqual: function (a, b) {&#xD;                x = parseNumber(a);&#xD;                y = parseNumber(b);&#xD;                if (x !== x || y !== y) return snapEquals(a, b);&#xD;                return fn[&apos;=&apos;](x, y);&#xD;            },&#xD;            reportIsIdentical: function (a, b) {&#xD;                x = parseNumber(a);&#xD;                y = parseNumber(b);&#xD;                if (x !== x || y !== y) return originalPrims.reportIsIdentical(a, b);&#xD;                return fn[&apos;=&apos;](x, y);&#xD;            },&#xD;            reportMonadic: function (fname, n) {&#xD;                n = parseNumber(n);&#xD;                if (n !== n) return NaN;&#xD;&#xD;                switch (Process.prototype.inputOption(fname)) {&#xD;                case &apos;abs&apos;:&#xD;                    return fn.abs(n);&#xD;                case &apos;ceiling&apos;:&#xD;                    return fn.ceiling(n);&#xD;                case &apos;floor&apos;:&#xD;                    return fn.floor(n);&#xD;                case &apos;sqrt&apos;:&#xD;                    return sqrt(n);&#xD;                case &apos;sin&apos;:&#xD;                    return fn.sin(radians(n));&#xD;                case &apos;cos&apos;:&#xD;                    return fn.cos(radians(n));&#xD;                case &apos;tan&apos;:&#xD;                    return fn.tan(radians(n));&#xD;                case &apos;asin&apos;:&#xD;                    return degrees(fn.asin(n));&#xD;                case &apos;acos&apos;:&#xD;                    return degrees(fn.acos(n));&#xD;                case &apos;atan&apos;:&#xD;                    return degrees(fn.atan(n));&#xD;                case &apos;ln&apos;:&#xD;                    return fn.log(n);&#xD;                case &apos;log&apos;:&#xD;                    return fn.log(n, &apos;10&apos;);&#xD;                case &apos;e^&apos;:&#xD;                    return fn.exp(n);&#xD;                case &apos;10^&apos;:&#xD;                    return fn.expt(&apos;10&apos;, n);&#xD;                default:&#xD;                    return SchemeNumber(&apos;0&apos;);&#xD;                }&#xD;            }&#xD;        });&#xD;    } else {&#xD;        InputSlotMorph.prototype.evaluate = window.bigNumbers.originalEvaluate;&#xD;        VariableFrame.prototype.changeVar = window.bigNumbers.originalChangeVar;&#xD;        Object.assign(Process.prototype, originalPrims);&#xD;    }&#xD;    done = true;&#xD;}&#xD;&#xD;function parseNumber (n) {&#xD;    var fn = SchemeNumber.fn;&#xD;    if (!fn[&apos;number?&apos;](n)) {&#xD;        n = &apos;&apos; + n;&#xD;        try {&#xD;            return parseENotation(n) || SchemeNumber(n);&#xD;        } catch (err) {&#xD;            return NaN;&#xD;        }&#xD;    }&#xD;    return n;&#xD;}&#xD;&#xD;function parseENotation (n) {&#xD;    var fn = SchemeNumber.fn;&#xD;&#xD;    var numbers = n.match(/^(-?\d+\.?\d*|-?\.\d+)e(-?\d+)$/i);&#xD;    if (!numbers) return null;&#xD;&#xD;    var coefficient = numbers[1];&#xD;    var exponent = numbers[2];&#xD;    return fn[&apos;*&apos;](&#xD;        coefficient,&#xD;        fn.expt(&apos;10&apos;, exponent)&#xD;    );&#xD;}&#xD;&#xD;function sqrt (n) {&#xD;    var fn = SchemeNumber.fn;&#xD;&#xD;    if (!fn[&apos;exact?&apos;](n) || !fn[&apos;rational?&apos;](n) || fn[&apos;&lt;&apos;](n,&apos;0&apos;)) return fn.sqrt(n);&#xD;&#xD;    var rootNumerator = fn[&apos;exact-integer-sqrt&apos;](fn.numerator(n));&#xD;    if (!fn[&apos;=&apos;](rootNumerator[1], &apos;0&apos;)) return fn.sqrt(n);&#xD;&#xD;    var rootDenominator = fn[&apos;exact-integer-sqrt&apos;](fn.denominator(n));&#xD;    if (!fn[&apos;=&apos;](rootDenominator[1], &apos;0&apos;)) return fn.sqrt(n);&#xD;&#xD;    return fn[&apos;/&apos;](rootNumerator[0], rootDenominator[0]);&#xD;}&#xD;&#xD;function isDone () {&#xD;    return done;&#xD;}&#xD;&#xD;if (window.bigNumbers) {&#xD;    loadBlocks();&#xD;} else {&#xD;    initialize(loadBlocks);&#xD;}&#xD;&#xD;return isDone;</l></block><list><block var="bool"/></list></block></block><block s="doWaitUntil"><block s="evaluate"><block var="isDone"/><list></list></block></block></script></block-definition><block-definition s="%&apos;n&apos; !" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%n"></input></inputs><script><block s="doReport"><block s="reportIfElse"><block s="reportEquals"><block var="n"/><l>0</l></block><l>1</l><block s="reportProduct"><block var="n"/><custom-block s="%n !"><block s="reportDifference"><block var="n"/><l>1</l></block></custom-block></block></block></block></script></block-definition><block-definition s="%&apos;x&apos;" type="reporter" category="operators"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block var="x"/></block></script></block-definition><block-definition s="Scheme number %&apos;function&apos; of %&apos;number&apos;" type="reporter" category="operators"><comment x="0" y="0" w="300" collapsed="true">Provides Scheme arithmetic functions not in JavaScript</comment><header></header><code></code><translations>pt:_ de _&#xD;</translations><inputs><input type="%s" readonly="true"><options>number?&#xD;complex?&#xD;real?&#xD;rational?&#xD;integer?&#xD;exact?&#xD;inexact?&#xD;exact&#xD;inexact&#xD;finite?&#xD;infinite?&#xD;nan?&#xD;numerator&#xD;denominator&#xD;real-part&#xD;imag-part&#xD;magnitude&#xD;angle</options></input><input type="%s"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportJSFunction"><list><l>which</l><l>num</l></list><l>function parseNumber (n) {&#xD;    var fn = SchemeNumber.fn;&#xD;    if (!fn[&apos;number?&apos;](n)) {&#xD;        n = &apos;&apos; + n;&#xD;        try {&#xD;            return parseENotation(n) || SchemeNumber(n);&#xD;        } catch (err) {&#xD;            return NaN;&#xD;        }&#xD;    }&#xD;    return n;&#xD;}&#xD;&#xD;function parseENotation (n) {&#xD;    var fn = SchemeNumber.fn;&#xD;&#xD;    var numbers = n.match(/^(-?\d+\.?\d*|-?\.\d+)e(-?\d+)$/i);&#xD;    if (!numbers) return null;&#xD;&#xD;    var coefficient = numbers[1];&#xD;    var exponent = numbers[2];&#xD;    return fn[&apos;*&apos;](&#xD;        coefficient,&#xD;        fn.expt(&apos;10&apos;, exponent)&#xD;    );&#xD;}&#xD;var fn=SchemeNumber.fn,&#xD;      number=parseNumber(num);&#xD;&#xD;switch (which) {&#xD;  case &apos;number?&apos;:&#xD;  case &apos;complex?&apos;:&#xD;    return (fn[&apos;number?&apos;](number));&#xD;  case &apos;real?&apos;:&#xD;    return (fn[&apos;real?&apos;](number) || fn[&apos;real-valued?&apos;](number));&#xD;  case &apos;rational?&apos;:&#xD;    return (fn[&apos;rational?&apos;](number) || (fn[&apos;=&apos;](number, fn.rationalize(number, parseNumber(&apos;1.0e-5&apos;)))));&#xD;  case &apos;integer?&apos;:&#xD;    return (fn[&apos;integer?&apos;](number) || fn[&apos;integer-valued?&apos;](number));&#xD;  case &apos;exact?&apos;:&#xD;  case &apos;inexact?&apos;:&#xD;  case &apos;finite?&apos;:&#xD;  case &apos;infinite?&apos;:&#xD;  case &apos;nan?&apos;:&#xD;  case &apos;real-part&apos;:&#xD;  case &apos;imag-part&apos;:&#xD;    return (fn[which](number));&#xD;  case &apos;magnitude&apos;:&#xD;    return (fn.magnitude(number));&#xD;  case &apos;angle&apos;:&#xD;    return (fn.angle(number));&#xD;  case &apos;numerator&apos;:&#xD;    return (fn.numerator(number));&#xD;  case &apos;denominator&apos;:&#xD;    return (fn.denominator(number));&#xD;  case &apos;exact&apos;:&#xD;    return (fn.exact(number));&#xD;case &apos;inexact&apos;:&#xD;    return (fn.inexact(number));&#xD;}</l></block><list><block var="function"/><block var="number"/></list></block></block></script></block-definition></blocks><variables><variable name="grades"><list struct="atomic" id="206">75,80,72,94,78,83,88,90,76,80,84</list></variable></variables></project><media name="dbitko-2020-01-07-iteration-practice-4" app="Snap! 5.4, http://snap.berkeley.edu" version="1"></media></snapdata>