From aa0c257d381a6f488442b7bd717a161d7d5db3b3 Mon Sep 17 00:00:00 2001
From: Richard Barnes <rbarnes@umn.edu>
Date: Mon, 17 Feb 2025 16:01:51 -0500
Subject: [PATCH] Remove unused C variable from circum.c (#274)

Allows `-Wunused-but-set-variable` to succeed.
---
 libastro/circum.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libastro/circum.c b/libastro/circum.c
index 41be1b0..6acd70c 100644
--- a/libastro/circum.c
+++ b/libastro/circum.c
@@ -424,7 +424,6 @@ obj_hyperbolic (Now *np, Obj *op)
 	double e;		/* fast eccentricity */
 	double ll=0, sll, cll;	/* helio angle between object and earth */
 	double mag;		/* magnitude */
-	double a;		/* mean distance */
 	double tp;		/* time from perihelion (days) */
 	double rpd=0;
 	double y;
@@ -435,7 +434,6 @@ obj_hyperbolic (Now *np, Obj *op)
 
 	lg = lsn + PI;
 	e = op->h_e;
-	a = op->h_qp/(e - 1.0);
 
 	/* correct for light time by computing position at time mjd, then
 	 *   again at mjd-dt, where