1 files changed, 0 insertions, 25 deletions
diff --git a/src/3rdparty/proj/pj_phi2.c b/src/3rdparty/proj/pj_phi2.c
deleted file mode 100644
index 0900350e..00000000
--- a/src/3rdparty/proj/pj_phi2.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/* determine latitude angle phi-2 */
-#include <projects.h>
-
-#define HALFPI		1.5707963267948966
-#define TOL 1.0e-10
-#define N_ITER 15
-
-	double
-pj_phi2(double ts, double e) {
-	double eccnth, Phi, con, dphi;
-	int i;
-
-	eccnth = .5 * e;
-	Phi = HALFPI - 2. * atan (ts);
-	i = N_ITER;
-	do {
-		con = e * sin (Phi);
-		dphi = HALFPI - 2. * atan (ts * pow((1. - con) /
-		   (1. + con), eccnth)) - Phi;
-		Phi += dphi;
-	} while ( fabs(dphi) > TOL && --i);
-	if (i <= 0)
-		pj_errno = -18;
-	return Phi;
-}