X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fibex%2Fjs%2FJSMath.java;fp=src%2Forg%2Fibex%2Fjs%2FJSMath.java;h=5eed9b520e437af3ce3b59ae1a7c310f5585108b;hb=3591b88b94a6bb378af3d4abe6eb5233ce583104;hp=0000000000000000000000000000000000000000;hpb=de378041d5ca2aca1a2b5a31ef15ae90a86c977f;p=org.ibex.core.git

diff --git a/src/org/ibex/js/JSMath.java b/src/org/ibex/js/JSMath.java
new file mode 100644
index 0000000..5eed9b5
--- /dev/null
+++ b/src/org/ibex/js/JSMath.java
@@ -0,0 +1,91 @@
+// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL ]
+
+package org.ibex.js; 
+
+/** The JavaScript Math object */
+public class JSMath extends JS {
+
+    public static JSMath singleton = new JSMath();
+
+    private static final Double E       = new Double(java.lang.Math.E);
+    private static final Double PI      = new Double(java.lang.Math.PI);
+    private static final Double LN10    = new Double(java.lang.Math.log(10));
+    private static final Double LN2     = new Double(java.lang.Math.log(2));
+    private static final Double LOG10E  = new Double(1/java.lang.Math.log(10));
+    private static final Double LOG2E   = new Double(1/java.lang.Math.log(2));
+    private static final Double SQRT1_2 = new Double(1/java.lang.Math.sqrt(2));
+    private static final Double SQRT2   = new Double(java.lang.Math.sqrt(2));
+
+    public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+        switch(nargs) {
+            case 0: {
+                //#switch(method)
+                case "random": return new Double(java.lang.Math.random());
+                //#end
+                break;
+            }
+            case 1: {
+                //#switch(method)
+                case "ceil": return new Long((long)java.lang.Math.ceil(toDouble(a0)));
+                case "floor": return new Long((long)java.lang.Math.floor(toDouble(a0)));
+                case "round": return new Long((long)java.lang.Math.round(toDouble(a0)));
+                case "abs": return new Double(java.lang.Math.abs(toDouble(a0)));
+                case "sin": return new Double(java.lang.Math.sin(toDouble(a0)));
+                case "cos": return new Double(java.lang.Math.cos(toDouble(a0)));
+                case "tan": return new Double(java.lang.Math.tan(toDouble(a0)));
+                case "asin": return new Double(java.lang.Math.asin(toDouble(a0)));
+                case "acos": return new Double(java.lang.Math.acos(toDouble(a0)));
+                case "atan": return new Double(java.lang.Math.atan(toDouble(a0)));
+                case "sqrt": return new Double(java.lang.Math.sqrt(toDouble(a0)));
+                case "exp": return new Double(java.lang.Math.exp(toDouble(a0)));
+                case "log": return new Double(java.lang.Math.log(toDouble(a0)));
+                //#end
+                break;
+            }
+            case 2: {
+                //#switch(method)
+                case "min": return new Double(java.lang.Math.min(toDouble(a0), toDouble(a1)));
+                case "max": return new Double(java.lang.Math.max(toDouble(a0), toDouble(a1)));
+                case "pow": return new Double(java.lang.Math.pow(toDouble(a0), toDouble(a1)));
+                case "atan2": return new Double(java.lang.Math.atan2(toDouble(a0), toDouble(a1)));
+                //#end
+                break;
+            }
+        }
+        return super.callMethod(method, a0, a1, a2, rest, nargs);
+    }
+
+    public void put(Object key, Object val) { return; }
+
+    public Object get(Object key) throws JSExn {
+        //#switch(key)
+        case "E": return E;
+        case "LN10": return LN10;
+        case "LN2": return LN2;
+        case "LOG10E": return LOG10E;
+        case "LOG2E": return LOG2E;
+        case "PI": return PI;
+        case "SQRT1_2": return SQRT1_2;
+        case "SQRT2": return SQRT2;
+        case "ceil": return METHOD;
+        case "floor": return METHOD;
+        case "round": return METHOD;
+        case "min": return METHOD;
+        case "max": return METHOD;
+        case "pow": return METHOD;
+        case "atan2": return METHOD;
+        case "abs": return METHOD;
+        case "sin": return METHOD;
+        case "cos": return METHOD;
+        case "tan": return METHOD;
+        case "asin": return METHOD;
+        case "acos": return METHOD;
+        case "atan": return METHOD;
+        case "sqrt": return METHOD;
+        case "exp": return METHOD;
+        case "log": return METHOD;
+        case "random": return METHOD;
+        //#end
+        return super.get(key);
+    }
+}