Add FromIEEEBinary Operation

src/core/operations/FromIEEEBinary.mjs

@@ -0,0 +1,47 @@
+/**
+ * @author atsiv1
+ * @copyright Crown Copyright 2019
+ * @license Apache-2.0
+ */
+
+import Operation from "../Operation.mjs";
+import { FromIEEE754Float64 } from "../lib/IEEEBinary.mjs";
+
+/**
+ * From IEEEBinary operation
+ */
+class FromIEEEBinary extends Operation {
+    /**
+     *  FromIEEEBinary constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "From IEEEBinary";
+        this.module = "Default";
+        this.description = `
+            Converts a 64-bit IEEE-754 binary64 representation (float64)
+            into its exact decimal value.<br><br>
+            Example: <code>0 10000000010 0100000000000000000000000000000000000000000000000000</code>
+            becomes <code>10</code>.`;
+        this.infoURL = "https://en.wikipedia.org/wiki/IEEE_754";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        if (!input || input.trim().length === 0) {
+            return "";
+        }
+
+        return FromIEEE754Float64(input);
+    }
+}
+
+export default FromIEEEBinary;