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-rw-r--r--src/mame/audio/polepos.cpp13
1 files changed, 0 insertions, 13 deletions
diff --git a/src/mame/audio/polepos.cpp b/src/mame/audio/polepos.cpp
index 0b52d0d753f..ffedee5c283 100644
--- a/src/mame/audio/polepos.cpp
+++ b/src/mame/audio/polepos.cpp
@@ -61,19 +61,6 @@ struct filter_state
filter_real xprev[FILTER_ORDER_MAX];
};
-#if 0
-/* Insert a value in the filter state */
-static inline void filter_insert(filter* f, filter_state* s, filter_real x) {
- /* next state */
- ++s->prev_mac;
- if (s->prev_mac >= f->order)
- s->prev_mac = 0;
-
- /* set x[0] */
- s->xprev[s->prev_mac] = x;
-}
-#endif
-
/* Filter types */
#define FILTER_LOWPASS 0
#define FILTER_HIGHPASS 1