#include <jni.h>
#include <stdio.h>

JNIEXPORT jdouble JNICALL Java_Bug_returnDouble
  (JNIEnv *env, jclass clazz, jdouble d)
{
  printf ("\tC returning input parameter %g\n", d ) ;
  return d ;
}

JNIEXPORT jfloat JNICALL Java_Bug_returnFloat
  (JNIEnv *env, jclass clazz, jfloat f)
{
  printf ("\tC returning input parameter %g\n", f ) ;
  return f ;
}


JNIEXPORT jint JNICALL Java_Bug_returnInt
  (JNIEnv *env, jclass clazz, jint i)
{
  printf ("\tC returning input parameter %d\n", (int) i ) ;
  return i ;
}


int main ( int argc , char * argv [] )
{
  double d = 3.1314 ;
  jdouble jd ;
  jd = (jdouble) d ;

  printf ("\tC Calling Java netive methods \n") ;
  jd = Java_Bug_returnDouble ( NULL, NULL, 3.1415 ) ;
  d = (double) jd ;
  jd = (jdouble) d ;
  printf ("return val = %g\n", (double) jd ) ;

  return 0 ;
}