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-rw-r--r--src/PJ_bipc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/PJ_bipc.c b/src/PJ_bipc.c
index f370b4f9..2d015de1 100644
--- a/src/PJ_bipc.c
+++ b/src/PJ_bipc.c
@@ -94,7 +94,7 @@ static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */
static LP s_inverse (XY xy, PJ *P) { /* Spheroidal, inverse */
LP lp = {0.0,0.0};
struct pj_opaque *Q = P->opaque;
- double t, r, rp, rl, al, z, fAz, Az, s, c, Av;
+ double t, r, rp, rl, al, z = 0.0, fAz, Az, s, c, Av;
int neg, i;
if (Q->noskew) {