Clean up constructors

And, use C++ style casts and use float math functions rather than double ones to save memory space.

Also, stop using FloatMath and NativeUtils as standard Math methods are faster now.
See http://code.google.com/p/android/issues/detail?id=36199 and https://android-review.googlesource.com/40700

multi-project commit with I4259fb5ab8a15ac5760a7f04fc8f4c860529f04a

Change-Id: I0b81cff8c91769f7559a59b9528c75a5aabb4211
diff --git a/native/jni/src/debug.h b/native/jni/src/debug.h
index 2168d66..2432b1f 100644
--- a/native/jni/src/debug.h
+++ b/native/jni/src/debug.h
@@ -58,11 +58,12 @@
 }
 
 static inline void printDebug(const char *tag, int *codes, int codesSize, int MAX_PROXIMITY_CHARS) {
-    unsigned char *buf = (unsigned char*)malloc((1 + codesSize) * sizeof(*buf));
+    unsigned char *buf = reinterpret_cast<unsigned char *>(malloc((1 + codesSize) * sizeof(*buf)));
 
     buf[codesSize] = 0;
-    while (--codesSize >= 0)
-        buf[codesSize] = (unsigned char)codes[codesSize * MAX_PROXIMITY_CHARS];
+    while (--codesSize >= 0) {
+        buf[codesSize] = static_cast<unsigned char>(codes[codesSize * MAX_PROXIMITY_CHARS]);
+    }
     AKLOGI("%s, WORD = %s", tag, buf);
 
     free(buf);