1 files changed, 44 insertions, 0 deletions
diff --git a/deps/npm/node_modules/qrcode-terminal/vendor/QRCode/QRMath.js b/deps/npm/node_modules/qrcode-terminal/vendor/QRCode/QRMath.js
new file mode 100644
index 0000000000..11e324c981
--- /dev/null
+++ b/deps/npm/node_modules/qrcode-terminal/vendor/QRCode/QRMath.js
@@ -0,0 +1,44 @@
+var QRMath = {
+
+	glog : function(n) {
+
+		if (n < 1) {
+			throw new Error("glog(" + n + ")");
+		}
+
+		return QRMath.LOG_TABLE[n];
+	},
+
+	gexp : function(n) {
+
+		while (n < 0) {
+			n += 255;
+		}
+
+		while (n >= 256) {
+			n -= 255;
+		}
+
+		return QRMath.EXP_TABLE[n];
+	},
+
+	EXP_TABLE : new Array(256),
+
+	LOG_TABLE : new Array(256)
+
+};
+
+for (var i = 0; i < 8; i++) {
+	QRMath.EXP_TABLE[i] = 1 << i;
+}
+for (var i = 8; i < 256; i++) {
+	QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4]
+		^ QRMath.EXP_TABLE[i - 5]
+		^ QRMath.EXP_TABLE[i - 6]
+		^ QRMath.EXP_TABLE[i - 8];
+}
+for (var i = 0; i < 255; i++) {
+	QRMath.LOG_TABLE[QRMath.EXP_TABLE[i] ] = i;
+}
+
+module.exports = QRMath;