jscript: Added Math.E implementation.

dlls/jscript/math.c

@@ -69,11 +69,12 @@ static HRESULT math_constant(DOUBLE val, WORD flags, VARIANT *retv)
     return E_NOTIMPL;
 }
 
+/* ECMA-262 3rd Edition    15.8.1.1 */
 static HRESULT Math_E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 {
-    FIXME("\n");
-    return E_NOTIMPL;
+    TRACE("\n");
+    return math_constant(M_E, flags, retv);
 }
 
 static HRESULT Math_LOG2E(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,

dlls/jscript/tests/api.js

@@ -614,4 +614,9 @@ ok(Math.floor(Math.PI*100) === 314, "Math.PI = " + Math.PI);
 Math.PI = "test";
 ok(Math.floor(Math.PI*100) === 314, "modified Math.PI = " + Math.PI);
 
+ok(typeof(Math.E) === "number", "typeof(Math.E) = " + typeof(Math.E));
+ok(Math.floor(Math.E*100) === 271, "Math.E = " + Math.E);
+Math.E = "test";
+ok(Math.floor(Math.E*100) === 271, "modified Math.E = " + Math.E);
+
 reportSuccess();