From b0277377e353e81718c685090ceea5757fabc88e Mon Sep 17 00:00:00 2001
From: Thomas Knudsen <busstoptaktik@users.noreply.github.com>
Date: Fri, 9 Mar 2018 14:16:56 +0100
Subject: Repair PR #845: Scale vertical coords properly. (#848)

Thanks to Bas Couwenberg <sebastic@debian.org> for spotting this horrible bug!
---
 src/pj_transform.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/pj_transform.c b/src/pj_transform.c
index 4fccb674..06a2dfb0 100644
--- a/src/pj_transform.c
+++ b/src/pj_transform.c
@@ -397,7 +397,9 @@ static int height_unit (PJ *P, PJ_DIRECTION dir, long n, int dist, double *z) {
         fac = P->vfr_meter;
 
     /* Nothing to do? */
-    if (P->vto_meter==0.0)
+    if (fac==1.0)
+        return 0;
+    if (0==z)
         return 0;
 
     for (i = 0;  i < n;  i++)
-- 
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