sharpen: use single precision

modules/video_filter/gradfun.c

@@ -49,7 +49,7 @@ static void Close(vlc_object_t *);
 #define RADIUS_TEXT N_("Radius")
 #define RADIUS_LONGTEXT N_("Radius in pixels")
 
-#define STRENGTH_MIN (0.51)
+#define STRENGTH_MIN (0.51f)
 #define STRENGTH_MAX (255)
 #define STRENGTH_TEXT N_("Strength")
 #define STRENGTH_LONGTEXT N_("Strength used to modify the value of a pixel")

modules/video_filter/sharpen.c

@@ -243,7 +243,7 @@ static int SharpenCallback( vlc_object_t *p_this, char const *psz_var,
     filter_sys_t *p_sys = (filter_sys_t *)p_data;
 
     vlc_mutex_lock( &p_sys->lock );
-    init_precalc_table( p_sys,  VLC_CLIP( newval.f_float, 0., 2. ) );
+    init_precalc_table( p_sys,  VLC_CLIP( newval.f_float, 0.f, 2.f ) );
     vlc_mutex_unlock( &p_sys->lock );
     return VLC_SUCCESS;
 }