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-rw-r--r--src/projections/hatano.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/projections/hatano.cpp b/src/projections/hatano.cpp
index 29a01f80..c10c4e35 100644
--- a/src/projections/hatano.cpp
+++ b/src/projections/hatano.cpp
@@ -24,13 +24,13 @@ PROJ_HEAD(hatano, "Hatano Asymmetrical Equal Area") "\n\tPCyl, Sph";
static PJ_XY hatano_s_forward (PJ_LP lp, PJ *P) { /* Spheroidal, forward */
PJ_XY xy = {0.0,0.0};
- double th1, c;
int i;
(void) P;
- c = sin(lp.phi) * (lp.phi < 0. ? CSz : CN);
+ const double c = sin(lp.phi) * (lp.phi < 0. ? CSz : CN);
for (i = NITER; i; --i) {
- lp.phi -= th1 = (lp.phi + sin(lp.phi) - c) / (1. + cos(lp.phi));
+ const double th1 = (lp.phi + sin(lp.phi) - c) / (1. + cos(lp.phi));;
+ lp.phi -= th1;
if (fabs(th1) < EPS) break;
}
xy.x = FXC * lp.lam * cos(lp.phi *= .5);