aboutsummaryrefslogtreecommitdiff
path: root/src/pj_inv.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pj_inv.c')
-rw-r--r--src/pj_inv.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/pj_inv.c b/src/pj_inv.c
index 327fef9f..72e06fe0 100644
--- a/src/pj_inv.c
+++ b/src/pj_inv.c
@@ -28,6 +28,7 @@
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <errno.h>
+#include <math.h>
#include "proj_internal.h"
#include "projects.h"