diff options
Diffstat (limited to 'src/PJ_patterson.c')
| -rw-r--r-- | src/PJ_patterson.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/PJ_patterson.c b/src/PJ_patterson.c index e58b49bd..a15c730f 100644 --- a/src/PJ_patterson.c +++ b/src/PJ_patterson.c @@ -39,6 +39,9 @@ */ #define PJ_LIB__ + +#include <math.h> + #include "projects.h" PROJ_HEAD(patterson, "Patterson Cylindrical") "\n\tCyl."; @@ -112,4 +115,3 @@ PJ *PROJECTION(patterson) { return P; } - |