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-rw-r--r--src/4D_api.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/4D_api.cpp b/src/4D_api.cpp
index d4ca51fa..e0d15773 100644
--- a/src/4D_api.cpp
+++ b/src/4D_api.cpp
@@ -68,8 +68,8 @@ int proj_angular_input (PJ *P, enum PJ_DIRECTION dir) {
dir: {PJ_FWD, PJ_INV}
******************************************************************************/
if (PJ_FWD==dir)
- return pj_left (P)==PJ_IO_UNITS_ANGULAR;
- return pj_right (P)==PJ_IO_UNITS_ANGULAR;
+ return pj_left (P)==PJ_IO_UNITS_RADIANS;
+ return pj_right (P)==PJ_IO_UNITS_RADIANS;
}
/*****************************************************************************/