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authorEven Rouault <even.rouault@spatialys.com>2018-12-18 20:24:11 +0100
committerEven Rouault <even.rouault@spatialys.com>2018-12-26 10:08:53 +0100
commit610957f7035242f15743c399ffd429b92bc36206 (patch)
tree73f0d51147e2f4860c4bfc875f7a4bf9359386d4 /src/PJ_nell.c
parent355d681ed88019e97742344bd642c2fd97e700a1 (diff)
downloadPROJ-610957f7035242f15743c399ffd429b92bc36206.tar.gz
PROJ-610957f7035242f15743c399ffd429b92bc36206.zip
cpp conversion: minimal steps to fix compilation errors, not warnings
Diffstat (limited to 'src/PJ_nell.c')
-rw-r--r--src/PJ_nell.c51
1 files changed, 0 insertions, 51 deletions
diff --git a/src/PJ_nell.c b/src/PJ_nell.c
deleted file mode 100644
index 2a7ea32c..00000000
--- a/src/PJ_nell.c
+++ /dev/null
@@ -1,51 +0,0 @@
-#define PJ_LIB__
-
-#include <math.h>
-
-#include "projects.h"
-
-PROJ_HEAD(nell, "Nell") "\n\tPCyl, Sph";
-
-#define MAX_ITER 10
-#define LOOP_TOL 1e-7
-
-
-static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */
- XY xy = {0.0,0.0};
- double k, V;
- int i;
- (void) P;
-
- k = 2. * sin(lp.phi);
- V = lp.phi * lp.phi;
- lp.phi *= 1.00371 + V * (-0.0935382 + V * -0.011412);
- for (i = MAX_ITER; i ; --i) {
- lp.phi -= V = (lp.phi + sin(lp.phi) - k) /
- (1. + cos(lp.phi));
- if (fabs(V) < LOOP_TOL)
- break;
- }
- xy.x = 0.5 * lp.lam * (1. + cos(lp.phi));
- xy.y = lp.phi;
-
- return xy;
-}
-
-
-static LP s_inverse (XY xy, PJ *P) { /* Spheroidal, inverse */
- LP lp = {0.0,0.0};
- lp.lam = 2. * xy.x / (1. + cos(xy.y));
- lp.phi = aasin(P->ctx,0.5 * (xy.y + sin(xy.y)));
-
- return lp;
-}
-
-
-PJ *PROJECTION(nell) {
-
- P->es = 0;
- P->inv = s_inverse;
- P->fwd = s_forward;
-
- return P;
-}