diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/PJ_aea.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/PJ_aea.c b/src/PJ_aea.c index e6bb413c..524657b2 100644 --- a/src/PJ_aea.c +++ b/src/PJ_aea.c @@ -165,6 +165,8 @@ static PJ *setup(PJ *P) { cosphi = cos(Q->phi2); m2 = pj_msfn(sinphi, cosphi, P->es); ml2 = pj_qsfn(sinphi, P->e, P->one_es); + if (ml2 == ml1) + return NULL; Q->n = (m1 * m1 - m2 * m2) / (ml2 - ml1); } Q->ec = 1. - .5 * P->one_es * log((1. - P->e) / |