Changeset 13997

Timestamp:

11/21/12 17:22:39 (12 years ago)

Author:

ltnguyen

Message:

new main file, with new fac routine

File:

• issm/trunk-jpl/src/android/ISSM/jni/Main.cpp (modified) (3 diffs)

issm/trunk-jpl/src/android/ISSM/jni/Main.cpp

@@ -1 +1 @@
 #include <jni.h>
 #include "../../../c/android/fac.h"
+#include <cstddef>
+///////////////////////////////////////////////////////////////////////////////////////////
 namespace com_example_issm
 {
-        static jlong factorial(JNIEnv *env, jclass clazz, jlong n)
+        fac* f;
+//------------------------------------------------------------------------------------
+        void initilizeObject(JNIEnv *env, jclass clazz)
         {
-                fac *f = new fac();
-                jlong result = (jlong) (f->factorial(n));
-                delete(f);
-                return (jlong) result;
+                f = new fac();
         }
 //------------------------------------------------------------------------------------
-        static JNINativeMethod method_table[] = {
-                        {"fac" ,"(J)J" , (void *) factorial},
+        //fill out the first two slots, extract the same way in java using get(int position)
+        void fillBuffer(JNIEnv *env, jclass clazz , jobject buf)
+        {
+                jdouble *bBuf = (jdouble *)env->GetDirectBufferAddress(buf);
+                bBuf[1] = 10.67;
+                bBuf[2] = 100.0;
+        }
+//------------------------------------------------------------------------------------
+        jlong factorial(JNIEnv *env, jclass clazz, jlong n)
+        {
+                if( f != NULL)
+                        return (jlong) (f->factorial(n));
+                return 0;
+        }
+
+//------------------------------------------------------------------------------------
+        static JNINativeMethod method_table[] =
+        {
+                        {"fac"          ,     "(J)J"    , (void *) factorial},
+                        {"initialize"   ,     "()V"     , (void *) initilizeObject},
+                        {"processBuffer", "(Ljava/nio/DoubleBuffer;)V", (void *) fillBuffer}
         };
 }
-
+//------------------------------------------------------------------------------------
 using namespace com_example_issm;
 
@@ -29 +49 @@
         if(clazz)
         {
-                env->RegisterNatives(clazz, method_table, 1);
+                env->RegisterNatives(clazz, method_table, 3);
                 env->DeleteLocalRef(clazz);
                 return JNI_VERSION_1_6;
@@ -39 +59 @@
     // Register methods with env->RegisterNatives.
 }
+///////////////////////////////////////////////////////////////////////////////////////////