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Diffstat (limited to 'src/emu/sound/filter.h')
-rw-r--r--src/emu/sound/filter.h16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/emu/sound/filter.h b/src/emu/sound/filter.h
index cbfdf6b97fc..1b62676b563 100644
--- a/src/emu/sound/filter.h
+++ b/src/emu/sound/filter.h
@@ -57,18 +57,18 @@ filter_real filter_compute(filter* f, filter_state* s);
/* Filter types */
-#define FILTER_LOWPASS 0
-#define FILTER_HIGHPASS 1
-#define FILTER_BANDPASS 2
+#define FILTER_LOWPASS 0
+#define FILTER_HIGHPASS 1
+#define FILTER_BANDPASS 2
-#define Q_TO_DAMP(q) (1.0/q)
+#define Q_TO_DAMP(q) (1.0/q)
struct filter2_context
{
- double x0, x1, x2; /* x[k], x[k-1], x[k-2], current and previous 2 input values */
- double y0, y1, y2; /* y[k], y[k-1], y[k-2], current and previous 2 output values */
- double a1, a2; /* digital filter coefficients, denominator */
- double b0, b1, b2; /* digital filter coefficients, numerator */
+ double x0, x1, x2; /* x[k], x[k-1], x[k-2], current and previous 2 input values */
+ double y0, y1, y2; /* y[k], y[k-1], y[k-2], current and previous 2 output values */
+ double a1, a2; /* digital filter coefficients, denominator */
+ double b0, b1, b2; /* digital filter coefficients, numerator */
};