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-rw-r--r--lib/parabolic_sar.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/parabolic_sar.c b/lib/parabolic_sar.c
index ff84834..cd699aa 100644
--- a/lib/parabolic_sar.c
+++ b/lib/parabolic_sar.c
@@ -35,12 +35,11 @@ int ts_parabolic_sar(
{
TS_PROLOGUE( ts_parabolic_sar_p );
if ( !c ) return -1;
- fp_t step = ((ts_parabolic_sar_params_t *)c)->step;
- fp_t max_af = ((ts_parabolic_sar_params_t *)c)->max_af;
+ fp_t step = ((ts_parabolic_sar_params_t const *)c)->step;
+ fp_t max_af = ((ts_parabolic_sar_params_t const *)c)->max_af;
if (step <= 0 || max_af <= 0) return -1;
if (isnan(step) || isnan(max_af)) return -1;
if (step > max_af) return -1;
- if (n == 0) return -1;
int_t trend = 1;
fp_t sar = ts_l( x, 0 );