diff options
Diffstat (limited to 'src/emu/sound/filter.c')
-rw-r--r-- | src/emu/sound/filter.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/emu/sound/filter.c b/src/emu/sound/filter.c index 43acebde248..efd6796de86 100644 --- a/src/emu/sound/filter.c +++ b/src/emu/sound/filter.c @@ -20,7 +20,7 @@ void filter_state_reset(filter* f, filter_state* s) { filter_state* filter_state_alloc(void) { int i; - filter_state* s = global_alloc(filter_state); + filter_state* s = global_alloc(filter_state); s->prev_mac = 0; for(i=0;i<FILTER_ORDER_MAX;++i) s->xprev[i] = 0; @@ -135,9 +135,9 @@ void filter2_setup(device_t *device, int type, double fc, double d, double gain, filter2_context *filter2) { int sample_rate = device->machine().sample_rate(); - double w; /* cutoff freq, in radians/sec */ + double w; /* cutoff freq, in radians/sec */ double w_squared; - double den; /* temp variable */ + double den; /* temp variable */ double two_over_T = 2*sample_rate; double two_over_T_squared = two_over_T * two_over_T; @@ -193,7 +193,7 @@ void filter2_reset(filter2_context *filter2) void filter2_step(filter2_context *filter2) { filter2->y0 = -filter2->a1 * filter2->y1 - filter2->a2 * filter2->y2 + - filter2->b0 * filter2->x0 + filter2->b1 * filter2->x1 + filter2->b2 * filter2->x2; + filter2->b0 * filter2->x0 + filter2->b1 * filter2->x1 + filter2->b2 * filter2->x2; filter2->x2 = filter2->x1; filter2->x1 = filter2->x0; filter2->y2 = filter2->y1; @@ -205,12 +205,12 @@ void filter2_step(filter2_context *filter2) void filter_opamp_m_bandpass_setup(device_t *device, double r1, double r2, double r3, double c1, double c2, filter2_context *filter2) { - double r_in, fc, d, gain; + double r_in, fc, d, gain; if (r1 == 0) { logerror("filter_opamp_m_bandpass_setup() - r1 can not be 0"); - return; /* Filter can not be setup. Undefined results. */ + return; /* Filter can not be setup. Undefined results. */ } if (r2 == 0) |