# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1425061687 -3600
# Node ID 65cab8539582f9e6aa438e34dd5fcc4974e87c14
# Parent  7601b9d64be60c6f0ff4de01bb16e2176638a7a5
Probably faster to use the conditional operator than to call additional compact function

diff -r 7601b9d64be6 -r 65cab8539582 rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js
--- a/rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Fri Feb 27 18:55:06 2015 +0100
+++ b/rt/emul/mini/src/main/resources/org/apidesign/vm4brwsr/emul/lang/java_lang_Number.js	Fri Feb 27 19:28:07 2015 +0100
@@ -224,7 +224,9 @@
             return hi.next32(low);
         }
     };
-    
+
+    // keeping for compatibility with generated bck2brwsr.js library files
+    // not used since 0.14
     numberPrototype.compare = function(x) {
         if (this == x) {
             return 0;
diff -r 7601b9d64be6 -r 65cab8539582 rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Fri Feb 27 18:55:06 2015 +0100
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java	Fri Feb 27 19:28:07 2015 +0100
@@ -975,11 +975,13 @@
                     break;
                 case opc_fcmpl:
                 case opc_fcmpg:
-                    smapper.replace(this, VarType.INTEGER, "(@2).compare(@1)", smapper.popF(), smapper.getF(0));
+                    emit(smapper, this, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
+                         smapper.popF(), smapper.popF(), smapper.pushI());
                     break;
                 case opc_dcmpl:
                 case opc_dcmpg:
-                    smapper.replace(this, VarType.INTEGER, "(@2).compare(@1)", smapper.popD(), smapper.getD(0));
+                    emit(smapper, this, "var @3 = (@2 == @1) ? 0 : ((@2 < @1) ? -1 : 1);",
+                         smapper.popD(), smapper.popD(), smapper.pushI());
                     break;
                 case opc_if_acmpeq:
                     i = generateIf(smapper, byteCodes, i, smapper.popA(), smapper.popA(),
diff -r 7601b9d64be6 -r 65cab8539582 rt/vm/src/test/java/org/apidesign/vm4brwsr/MathTest.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/MathTest.java	Fri Feb 27 18:55:06 2015 +0100
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/MathTest.java	Fri Feb 27 19:28:07 2015 +0100
@@ -92,6 +92,26 @@
             Math.IEEEremainder(Integer.MAX_VALUE, -4.5), Integer.MAX_VALUE, -4.5
         );
     }
+    
+    @Test public void isNaN() throws Exception {
+        boolean nan = Double.isNaN(Double.NaN); 
+        assertExec("Same result 1", Double.class, "isNaN__ZD", 
+            1.0, Double.NaN
+        );
+    }
+
+    @Test public void isInfinite() throws Exception {
+        assertExec("Same result 1", Double.class, "isInfinite__ZD", 
+            1.0, Double.POSITIVE_INFINITY
+        );
+    }
+
+    @Test public void isNegInfinite() throws Exception {
+        assertExec("Same result 1", Double.class, "isInfinite__ZD", 
+            1.0, Double.NEGATIVE_INFINITY
+        );
+    }
+
 
     private static TestVM code;