diff options
| -rw-r--r-- | src/projections/eqdc.cpp | 2 | ||||
| -rw-r--r-- | test/gie/builtins.gie | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/src/projections/eqdc.cpp b/src/projections/eqdc.cpp index e050a593..00aacfda 100644 --- a/src/projections/eqdc.cpp +++ b/src/projections/eqdc.cpp @@ -117,6 +117,8 @@ PJ *PROJECTION(eqdc) { } else { if (secant) Q->n = (cosphi - cos(Q->phi2)) / (Q->phi2 - Q->phi1); + if (Q->n == 0) + return destructor (P, PJD_ERR_CONIC_LAT_EQUAL); Q->c = Q->phi1 + cos(Q->phi1) / Q->n; Q->rho0 = Q->c - P->phi0; } diff --git a/test/gie/builtins.gie b/test/gie/builtins.gie index df19efb6..3397090c 100644 --- a/test/gie/builtins.gie +++ b/test/gie/builtins.gie @@ -1321,6 +1321,9 @@ expect failure errno lat_larger_than_90 operation +proj=eqdc +R=6400000 +lat_2=91 expect failure errno lat_larger_than_90 +operation +proj=eqdc +R=1 +lat_1=1e-9 +expect failure errno conic_lat_equal + =============================================================================== Euler Conic, Sph |