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| author | Even Rouault <even.rouault@spatialys.com> | 2019-04-01 22:18:18 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2019-04-01 22:18:18 +0200 |
| commit | d3eada4ec2a1b825aaacc1e3ad9fc1cd4da09ee5 (patch) | |
| tree | 041cc1ef39d55031878adbcdea832d314e424772 /src/projections/bonne.cpp | |
| parent | 530913a5517fea6d23daecdb6b4d8d62fcb0a9cc (diff) | |
| download | PROJ-d3eada4ec2a1b825aaacc1e3ad9fc1cd4da09ee5.tar.gz PROJ-d3eada4ec2a1b825aaacc1e3ad9fc1cd4da09ee5.zip | |
bonne: avoid division by zero
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14010
Credit to OSS Fuzz
Diffstat (limited to 'src/projections/bonne.cpp')
| -rw-r--r-- | src/projections/bonne.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/projections/bonne.cpp b/src/projections/bonne.cpp index 0e9bae79..289eb23d 100644 --- a/src/projections/bonne.cpp +++ b/src/projections/bonne.cpp @@ -26,9 +26,14 @@ static PJ_XY e_forward (PJ_LP lp, PJ *P) { /* Ellipsoidal, forward */ double rh, E, c; rh = Q->am1 + Q->m1 - pj_mlfn(lp.phi, E = sin(lp.phi), c = cos(lp.phi), Q->en); - E = c * lp.lam / (rh * sqrt(1. - P->es * E * E)); - xy.x = rh * sin(E); - xy.y = Q->am1 - rh * cos(E); + if (fabs(rh) > EPS10) { + E = c * lp.lam / (rh * sqrt(1. - P->es * E * E)); + xy.x = rh * sin(E); + xy.y = Q->am1 - rh * cos(E); + } else { + xy.x = 0.; + xy.y = 0.; + } return xy; } |