diff options
Diffstat (limited to 'cyclone/sickle/poltocar.c')
-rw-r--r-- | cyclone/sickle/poltocar.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/cyclone/sickle/poltocar.c b/cyclone/sickle/poltocar.c new file mode 100644 index 0000000..8d7f94c --- /dev/null +++ b/cyclone/sickle/poltocar.c @@ -0,0 +1,79 @@ +/* Copyright (c) 2002-2003 krzYszcz and others. + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include <math.h> +#include "m_pd.h" +#include "unstable/fragile.h" +#include "sickle/sic.h" + +#if defined(NT) || defined(MACOSX) +/* cf pd/src/x_arithmetic.c */ +#define sinf sin +#define cosf cos +#endif + +typedef struct _poltocar +{ + t_sic x_sic; + t_outlet *x_out2; +} t_poltocar; + +static t_class *poltocar_class; + +static t_int *poltocar_perform(t_int *w) +{ + int nblock = (int)(w[1]); + t_float *in1 = (t_float *)(w[2]); + t_float *in2 = (t_float *)(w[3]); + t_float *out1 = (t_float *)(w[4]); + t_float *out2 = (t_float *)(w[5]); + while (nblock--) + { + float am = *in1++, ph = *in2++; + *out1++ = am * cosf(ph); + *out2++ = -am * sinf(ph); /* CHECKED */ + } + return (w + 6); +} + +static t_int *poltocar_perform_noimag(t_int *w) +{ + int nblock = (int)(w[1]); + t_float *in1 = (t_float *)(w[2]); + t_float *in2 = (t_float *)(w[3]); + t_float *out1 = (t_float *)(w[4]); + while (nblock--) + { + float am = *in1++, ph = *in2++; + *out1++ = am * cosf(ph); + } + return (w + 5); +} + +static void poltocar_dsp(t_poltocar *x, t_signal **sp) +{ + if (fragile_outlet_connections(x->x_out2)) + dsp_add(poltocar_perform, 5, sp[0]->s_n, sp[0]->s_vec, + sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec); + else + dsp_add(poltocar_perform_noimag, 4, sp[0]->s_n, sp[0]->s_vec, + sp[1]->s_vec, sp[2]->s_vec); +} + +static void *poltocar_new(void) +{ + t_poltocar *x = (t_poltocar *)pd_new(poltocar_class); + inlet_new((t_object *)x, (t_pd *)x, &s_signal, &s_signal); + outlet_new((t_object *)x, &s_signal); + x->x_out2 = outlet_new((t_object *)x, &s_signal); + return (x); +} + +void poltocar_tilde_setup(void) +{ + poltocar_class = class_new(gensym("poltocar~"), + (t_newmethod)poltocar_new, 0, + sizeof(t_poltocar), 0, 0); + sic_setup(poltocar_class, poltocar_dsp, SIC_FLOATTOSIGNAL); +} |