1 files changed, 50 insertions, 0 deletions
diff --git a/Sketchometry.activity/js/ext_ecma.js b/Sketchometry.activity/js/ext_ecma.js
new file mode 100644
index 0000000..8f95823
--- /dev/null
+++ b/Sketchometry.activity/js/ext_ecma.js
@@ -0,0 +1,50 @@
+/*
+    Copyright 2011 / 2012
+
+        Matthias Ehmann,
+        Michael Gerhaeuser,
+        Carsten Miller,
+        Heiko Vogel
+        Alfred Wassermann,
+
+    This file is part of the JSXGraph GUI project.
+    This code isn't licensed yet.
+*/
+
+Array.prototype.dist = function (v) {
+	var i, dist = 0;
+	for (i=0; i<this.length; i++)
+		dist += Math.pow((this[i]-v[i]), 2)
+	return Math.sqrt(dist);
+};
+
+String.prototype.trim = function() {
+	return this.replace(/^\s+|\s+$/g, "");
+};
+
+String.prototype.trimTrailZeroes = function() {
+    return this.replace(/(.\d*?)0+$/, "$1").replace(/\.$/, "");
+};
+
+String.prototype.sanitize = function() {
+	return this.replace(/\n/g, " ").replace(/\r/g, "").replace(/\t+/, '').replace(/ +/g, ' ').trim();
+};
+
+String.prototype.cleanTerm = function() {
+    var ret = this.replace(/\n/g, "").replace(/\r/g, "");
+
+    ret = ret.replace(/^ *function *\( *x* *\) *{ *return */, "").replace(/[ ;]*} *$/, "");
+    //ret = ret./*replace(/;/g, "").*/replace(/"/g, "&quot;");
+
+    return ret;
+};
+
+String.prototype.capitalize = function() {
+	return this.replace(/(^|\s)([a-z])/g, function(m, p1, p2) {
+		return p1 + p2.toUpperCase();
+	});
+};
+
+Number.prototype.trimTrailZeroes = function() {
+    return parseFloat(this.toString().trimTrailZeroes());
+};
+\ No newline at end of file