diff options
Diffstat (limited to 'src/PJ_vgridshift.c')
| -rw-r--r-- | src/PJ_vgridshift.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/PJ_vgridshift.c b/src/PJ_vgridshift.c index e3f3cbd3..5ab4a162 100644 --- a/src/PJ_vgridshift.c +++ b/src/PJ_vgridshift.c @@ -108,8 +108,8 @@ int pj_vgridshift_selftest (void) { a = proj_coord(0,0,0,0); a.lpz.lam = PJ_TORAD(12.5); a.lpz.phi = PJ_TORAD(55.5); - - dist = proj_roundtrip (P, PJ_FWD, 1, a); + b = a; + dist = proj_roundtrip (P, PJ_FWD, 1, &b); if (dist > 0.00000001) return 1; @@ -125,6 +125,9 @@ int pj_vgridshift_selftest (void) { if (proj_xyz_dist(expect.xyz, b.xyz) > 1e-4) failures++; expect.lpz.z = -35.880001068115234000; if (proj_xyz_dist(expect.xyz, b.xyz) > 1e-4) failures++; + /* manual roundtrip a->b, b<-b, b==a */ + b = proj_trans(P, PJ_INV, b); + if (proj_xyz_dist(a.xyz, b.xyz) > 1e-9) failures++; if (failures > 1) return 2; |