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-rw-r--r--src/PJ_mod_ster.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/PJ_mod_ster.cpp b/src/PJ_mod_ster.cpp
index ad5c9cdb..7ef34f0a 100644
--- a/src/PJ_mod_ster.cpp
+++ b/src/PJ_mod_ster.cpp
@@ -12,11 +12,13 @@ PROJ_HEAD(gs50, "Mod. Stereographic of 50 U.S.") "\n\tAzi(mod)";
#define EPSLN 1e-12
+namespace { // anonymous namespace
struct pj_opaque {
const COMPLEX *zcoeff; \
double cchio, schio; \
int n;
};
+} // anonymous namespace
static XY e_forward (LP lp, PJ *P) { /* Ellipsoidal, forward */