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| author | Even Rouault <even.rouault@mines-paris.org> | 2019-04-05 15:41:28 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-05 15:41:28 +0200 |
| commit | 0ea2b4e82700ba9aa0ae67ec0ee72ae58bc4f0c9 (patch) | |
| tree | a602774d5e52071f006b37d59147708a4b57739e /src/projections/krovak.cpp | |
| parent | 1e2e512f9a671df504f6f01eee53dc26939b3c0a (diff) | |
| parent | f6ba932a8f1d7f0775d4ebe367b2d5faef57461a (diff) | |
| download | PROJ-0ea2b4e82700ba9aa0ae67ec0ee72ae58bc4f0c9.tar.gz PROJ-0ea2b4e82700ba9aa0ae67ec0ee72ae58bc4f0c9.zip | |
Merge pull request #1411 from rouault/ossfuzz_14044_and_all
Ossfuzz 14044 and others
Diffstat (limited to 'src/projections/krovak.cpp')
| -rw-r--r-- | src/projections/krovak.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/projections/krovak.cpp b/src/projections/krovak.cpp index c30be411..c3f61f3d 100644 --- a/src/projections/krovak.cpp +++ b/src/projections/krovak.cpp @@ -222,7 +222,11 @@ PJ *PROJECTION(krovak) { Q->alpha = sqrt(1. + (P->es * pow(cos(P->phi0), 4)) / (1. - P->es)); u0 = asin(sin(P->phi0) / Q->alpha); g = pow( (1. + P->e * sin(P->phi0)) / (1. - P->e * sin(P->phi0)) , Q->alpha * P->e / 2. ); - Q->k = tan( u0 / 2. + M_PI_4) / pow (tan(P->phi0 / 2. + M_PI_4) , Q->alpha) * g; + double tan_half_phi0_plus_pi_4 = tan(P->phi0 / 2. + M_PI_4); + if( tan_half_phi0_plus_pi_4 == 0.0 ) { + return pj_default_destructor(P, PJD_ERR_INVALID_ARG); + } + Q->k = tan( u0 / 2. + M_PI_4) / pow (tan_half_phi0_plus_pi_4 , Q->alpha) * g; n0 = sqrt(1. - P->es) / (1. - P->es * pow(sin(P->phi0), 2)); Q->n = sin(S0); Q->rho0 = P->k0 * n0 / tan(S0); |