From 69d9ab004a70ffc5e8bd9b70938ad208eee76e2e Mon Sep 17 00:00:00 2001
From: Joel Dice <joel.dice@gmail.com>
Date: Sun, 21 Sep 2014 17:31:45 -0600
Subject: [PATCH] implement JVM_isNaN

This method was previously unimplemented and untested.  However, the
JMH benchmark suite requires it, so now it's time to implement it.
---
 src/classpath-openjdk.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/classpath-openjdk.cpp b/src/classpath-openjdk.cpp
index d3b8af8d35..82f24173a1 100644
--- a/src/classpath-openjdk.cpp
+++ b/src/classpath-openjdk.cpp
@@ -3493,9 +3493,9 @@ extern "C" AVIAN_EXPORT jboolean JNICALL
   return version <= JNI_VERSION_1_6;
 }
 
-extern "C" AVIAN_EXPORT jboolean JNICALL EXPORT(JVM_IsNaN)(jdouble)
+extern "C" AVIAN_EXPORT jboolean JNICALL EXPORT(JVM_IsNaN)(jdouble v)
 {
-  abort();
+  return isnan(v);
 }
 
 uint64_t jvmFillInStackTrace(Thread* t, uintptr_t* arguments)