minimisation works but initial solution is bust

[moebius2.git] / common.h

diff --git a/common.h b/common.h
index 88ec865226297a1bcced0312bdd8c91a40febf82..cb45e8107b2af322854f67b1065ea70a2ea692b8 100644 (file)
--- a/common.h
+++ b/common.h
@@ -17,6 +17,7 @@
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
+#include <unistd.h>
 
 #include <gsl/gsl_vector.h>
 #include <gsl/gsl_matrix.h>