Added proper source and header files for digamma implementation.

java/source/infodynamics/measures/continuous/kraskov/cuda/Makefile

@@ -32,7 +32,7 @@ libgpuKnnLibrary.a: gpuKnnLibrary.o
 	${AR} -r libgpuKnnLibrary.a gpuKnnLibrary.o
 
 libKraskov.so: libgpuKnnLibrary.a kraskovCuda.c
-	${NVCC} ${NVCCFLAGS} ${INCLUDES} -Xcompiler -fPIC -shared -o libKraskov.so gpuMILibrary.c kraskovCuda.c ${LDFLAGS} -lgpuKnnLibrary
+	${NVCC} ${NVCCFLAGS} ${INCLUDES} -Xcompiler -fPIC -shared -o libKraskov.so digamma.c gpuMILibrary.c kraskovCuda.c ${LDFLAGS} -lgpuKnnLibrary
 
 test:	libKraskov.so
 	${GCC} -std=c++11 -o unittest unittests.cpp -L. -lKraskov

java/source/infodynamics/measures/continuous/kraskov/cuda/digamma.c

@@ -10,6 +10,7 @@
  Richard J. Mathar, 2005-11-24
  ***************************************/
 #include <math.h>
+#include "digamma.h"
 
 #ifndef M_PIl
 /** The constant Pi in high precision */
@@ -30,9 +31,6 @@
  * @author Richard J. Mathar
  * @since 2005-11-24
  */
-#ifdef __cplusplus
-extern "C" {
-#endif
 long double cpuDigamma(long double x)
 {
   int n;
@@ -114,7 +112,4 @@ long double cpuDigamma(long double x)
     return resul ;
   }
 }
-#ifdef __cplusplus
-}
-#endif
 

java/source/infodynamics/measures/continuous/kraskov/cuda/digamma.h

@@ -0,0 +1,13 @@
+#ifndef DIGAMMA_H
+#define DIGAMMA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+long double cpuDigamma(long double x);
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+

java/source/infodynamics/measures/continuous/kraskov/cuda/gpuMILibrary.c

@@ -3,7 +3,7 @@
 
 #include "gpuMILibrary.h"
 #include "gpuKnnLibrary.h"
-#include "digamma.c"
+#include "digamma.h"
 
 jidt_error_t MIKraskov_C(int N, float *source, int dimx, float *dest, int dimy,
     int k, int thelier, int nchunks, int returnLocals, int useMaxNorm,