diff --git a/src/gridding b/src/gridding
new file mode 100755
index 0000000..d0a8231
Binary files /dev/null and b/src/gridding differ
diff --git a/src/gridding.cpp b/src/gridding.cpp
index de1bdfa..77af72e 100644
--- a/src/gridding.cpp
+++ b/src/gridding.cpp
@@ -3,6 +3,8 @@
 #include "string"
 #include "unistd.h"
 
+#define GMT_VF_LEN 16
+
 int main(int argc, char *argv[])
 {
 	std::string table_name = "../data/table.txt";
diff --git a/src/plot_grid b/src/plot_grid
new file mode 100755
index 0000000..1bf4a4f
Binary files /dev/null and b/src/plot_grid differ
diff --git a/src/plot_grid.cpp b/src/plot_grid.cpp
index 7063c10..2212e9b 100644
--- a/src/plot_grid.cpp
+++ b/src/plot_grid.cpp
@@ -4,6 +4,8 @@
 #include "iostream"
 #include "string"
 
+#define GMT_VF_LEN 16
+
 int main(int argc, char *argv[])
 {
 	std::string cpt_file = "../data/ex2.cpt";
diff --git a/src/plot_memory b/src/plot_memory
new file mode 100755
index 0000000..1640e3f
Binary files /dev/null and b/src/plot_memory differ
diff --git a/src/plot_memory.cpp b/src/plot_memory.cpp
index ba1fd8a..1b1862e 100644
--- a/src/plot_memory.cpp
+++ b/src/plot_memory.cpp
@@ -4,6 +4,8 @@
 #include "iostream"
 #include "string"
 
+#define GMT_VF_LEN 16
+
 int main(int argc, char *argv[])
 {
 	std::string cpt_file = "../data/ex3.cpt";