From 453f0f9db6e302d34e518acf3680c33c038f7a63 Mon Sep 17 00:00:00 2001
From: Joshua Tang <jytang@ucsd.edu>
Date: Sun, 10 Apr 2016 21:04:58 -0700
Subject: [PATCH] added C++ compatibility

---
 include/p3dfft.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/include/p3dfft.h b/include/p3dfft.h
index 75527db..0efa93d 100644
--- a/include/p3dfft.h
+++ b/include/p3dfft.h
@@ -32,7 +32,7 @@
 
 #define FORTNAME(NAME) NAME##_
 
-#elif defined PGI 
+#elif defined PGI
 
 /* #define FORT_MOD_NAME(NAME) p3dfft_##NAME##_ */
 
@@ -51,6 +51,10 @@
 
 #endif
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
 
 extern void FORT_MOD_NAME(p3dfft_setup)(int *dims,int *nx,int *ny,int *nz, int * comm, int *nxc, int *nyc, int *nzc, int *ow, int *memsize);
 extern void FORT_MOD_NAME(p3dfft_get_dims)(int *,int *,int *,int *);
@@ -136,3 +140,6 @@ inline void Cp3dfft_btran_c2r(float *A,float *B, unsigned char *op)
 }
 #endif
 
+#ifdef __cplusplus
+}
+#endif