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| author | Kristian Evers <kristianevers@gmail.com> | 2019-03-25 08:32:23 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-25 08:32:23 +0100 |
| commit | 128421dd503bc89ec13fb151d8db4e06606d04da (patch) | |
| tree | 55c66cbb6ba7cfcaff503d5d9604c2592615eaa3 /src/projections/urm5.cpp | |
| parent | 594fd7bbc72f36c42a3e5e538efdd3e01e5c3f40 (diff) | |
| parent | c3b6c65f96f3d195698aaf286a70548beee4386a (diff) | |
| download | PROJ-128421dd503bc89ec13fb151d8db4e06606d04da.tar.gz PROJ-128421dd503bc89ec13fb151d8db4e06606d04da.zip | |
Merge pull request #1362 from OSGeo/backport-1358-on-6.0
Backport #1358 on 6.0: Fix ossfuzz 13891
Diffstat (limited to 'src/projections/urm5.cpp')
| -rw-r--r-- | src/projections/urm5.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/projections/urm5.cpp b/src/projections/urm5.cpp index a93293c0..f89bb1d5 100644 --- a/src/projections/urm5.cpp +++ b/src/projections/urm5.cpp @@ -45,7 +45,11 @@ PJ *PROJECTION(urm5) { Q->q3 = pj_param(P->ctx, P->params, "dq").f / 3.; alpha = pj_param(P->ctx, P->params, "ralpha").f; t = Q->n * sin (alpha); - Q->m = cos (alpha) / sqrt (1. - t * t); + const double denom = sqrt (1. - t * t); + if( denom == 0 ) { + return pj_default_destructor(P, PJD_ERR_LAT_0_OR_ALPHA_EQ_90); + } + Q->m = cos (alpha) / denom; Q->rmn = 1. / (Q->m * Q->n); P->es = 0.; |