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-rw-r--r--lib/elder_ray.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/elder_ray.c b/lib/elder_ray.c
index a0f330f..730810b 100644
--- a/lib/elder_ray.c
+++ b/lib/elder_ray.c
@@ -33,7 +33,7 @@ int ts_elder_ray(
{
TS_PROLOGUE( ts_elder_ray_p );
if ( !c ) return -1;
- fp_t k = ((ts_elder_ray_params_t *)c)->k;
+ fp_t k = ((ts_elder_ray_params_t const *)c)->k;
if (k == 0 || n < k) return -1;
fp_t a = 1.0 / k;
fp_t *ema = calloc( n, sizeof( fp_t ) );