refactormain

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/envelope.c b/lib/envelope.c
index 1ddda0c..0813ee5 100644
--- a/lib/envelope.c
+++ b/lib/envelope.c
@@ -21,7 +21,7 @@ ts_parameter_t const ts_envelope_p = { .n_inputs = 1, .n_outputs = 2, .n_constan
 uint_t ts_envelope_offset( ts_constant_t const *c )
 {
 	( void )c;
-	return ( c ? ((ts_envelope_params_t *)c)->k > 0 ? ((ts_envelope_params_t *)c)->k - 1 : 0 : 0 );
+	return ( c ? ((ts_envelope_params_t const *)c)->k > 0 ? ((ts_envelope_params_t const *)c)->k - 1 : 0 : 0 );
 }
 
 int ts_envelope(
@@ -32,8 +32,8 @@ int ts_envelope(
 {
 	TS_PROLOGUE( ts_envelope_p );
 	if ( !c ) return -1;
-    uint_t k = ((ts_envelope_params_t *)c)->k;
-    fp_t pct = ((ts_envelope_params_t *)c)->pct;
+    uint_t k = ((ts_envelope_params_t const *)c)->k;
+    fp_t pct = ((ts_envelope_params_t const *)c)->pct;
     if (k == 0 || n < k) return -1;
 
     fp_t sum = 0;