diff options
Diffstat (limited to 'src/projections/lcc.cpp')
| -rw-r--r-- | src/projections/lcc.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/projections/lcc.cpp b/src/projections/lcc.cpp index 91ffc511..b83b8072 100644 --- a/src/projections/lcc.cpp +++ b/src/projections/lcc.cpp @@ -106,10 +106,10 @@ PJ *PROJECTION(lcc) { double ml1, m1; m1 = pj_msfn(sinphi, cosphi, P->es); - ml1 = pj_tsfn(Q->phi1, sinphi, P->e); - if( ml1 == 0 ) { + if( abs(Q->phi1) == M_HALFPI ) { return pj_default_destructor(P, PJD_ERR_LAT_1_OR_2_ZERO_OR_90); } + ml1 = pj_tsfn(Q->phi1, sinphi, P->e); if (secant) { /* secant cone */ sinphi = sin(Q->phi2); Q->n = log(m1 / pj_msfn(sinphi, cos(Q->phi2), P->es)); @@ -117,10 +117,10 @@ PJ *PROJECTION(lcc) { // Not quite, but es is very close to 1... return pj_default_destructor(P, PJD_ERR_INVALID_ECCENTRICITY); } - const double ml2 = pj_tsfn(Q->phi2, sinphi, P->e); - if( ml2 == 0 ) { - return pj_default_destructor(P, PJD_ERR_LAT_1_OR_2_ZERO_OR_90); + if( abs(Q->phi2) == M_HALFPI ) { + return pj_default_destructor(P, PJD_ERR_LAT_1_OR_2_ZERO_OR_90); } + const double ml2 = pj_tsfn(Q->phi2, sinphi, P->e); const double denom = log(ml1 / ml2); if( denom == 0 ) { // Not quite, but es is very close to 1... |