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| author | Kristian Evers <kristianevers@gmail.com> | 2019-03-21 08:27:37 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-21 08:27:37 +0100 |
| commit | dc1f9d8ba25d3fd35ef767e18903ac9dad91e7e3 (patch) | |
| tree | 41442c2b864d89aaf2b308d1f09735cd6461e5d6 /src/projections/sterea.cpp | |
| parent | 9ead1bfe5afd7e519fe5f83b6603e5147fa91411 (diff) | |
| parent | 17f2f7cf8bcaa5a4edc9e94d2bd6d8e633455c03 (diff) | |
| download | PROJ-dc1f9d8ba25d3fd35ef767e18903ac9dad91e7e3.tar.gz PROJ-dc1f9d8ba25d3fd35ef767e18903ac9dad91e7e3.zip | |
Merge pull request #1335 from rouault/fix_ossfuzz_13790
Fix ossfuzz 13790 + tweak CI regarding backport branches
Diffstat (limited to 'src/projections/sterea.cpp')
| -rw-r--r-- | src/projections/sterea.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/projections/sterea.cpp b/src/projections/sterea.cpp index b6ebc7b4..964bb588 100644 --- a/src/projections/sterea.cpp +++ b/src/projections/sterea.cpp @@ -53,7 +53,12 @@ static PJ_XY e_forward (PJ_LP lp, PJ *P) { /* Ellipsoidal, forward */ sinc = sin(lp.phi); cosc = cos(lp.phi); cosl = cos(lp.lam); - k = P->k0 * Q->R2 / (1. + Q->sinc0 * sinc + Q->cosc0 * cosc * cosl); + const double denom = 1. + Q->sinc0 * sinc + Q->cosc0 * cosc * cosl; + if( denom == 0.0 ) { + proj_errno_set(P, PJD_ERR_TOLERANCE_CONDITION); + return proj_coord_error().xy; + } + k = P->k0 * Q->R2 / denom; xy.x = k * cosc * sin(lp.lam); xy.y = k * (Q->cosc0 * sinc - Q->sinc0 * cosc * cosl); return xy; |