From faada59567f8cb252f4a909116595ce309ff5828 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Fri, 23 May 2003 12:29:55 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r647, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/miXed/; revision=648 --- cyclone/sickle/cartopol.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 cyclone/sickle/cartopol.c (limited to 'cyclone/sickle/cartopol.c') diff --git a/cyclone/sickle/cartopol.c b/cyclone/sickle/cartopol.c new file mode 100644 index 0000000..4c25797 --- /dev/null +++ b/cyclone/sickle/cartopol.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 +#include "m_pd.h" +#include "unstable/fragile.h" +#include "sickle/sic.h" + +#if defined(NT) || defined(MACOSX) +/* cf pd/src/x_arithmetic.c */ +#define atan2f atan2 +#define hypotf hypot +#endif + +typedef struct _cartopol +{ + t_sic x_sic; + t_outlet *x_out2; +} t_cartopol; + +static t_class *cartopol_class; + +static t_int *cartopol_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 rl = *in1++, im = -*in2++; /* CHECKED */ + *out1++ = hypotf(rl, im); + *out2++ = atan2f(im, rl); + } + return (w + 6); +} + +static t_int *cartopol_perform_nophase(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 rl = *in1++, im = -*in2++; /* CHECKED */ + *out1++ = hypotf(rl, im); + } + return (w + 5); +} + +static void cartopol_dsp(t_cartopol *x, t_signal **sp) +{ + if (fragile_outlet_connections(x->x_out2)) + dsp_add(cartopol_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(cartopol_perform_nophase, 4, sp[0]->s_n, sp[0]->s_vec, + sp[1]->s_vec, sp[2]->s_vec); +} + +static void *cartopol_new(void) +{ + t_cartopol *x = (t_cartopol *)pd_new(cartopol_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 cartopol_tilde_setup(void) +{ + cartopol_class = class_new(gensym("cartopol~"), + (t_newmethod)cartopol_new, 0, + sizeof(t_cartopol), 0, 0); + sic_setup(cartopol_class, cartopol_dsp, SIC_FLOATTOSIGNAL); +} -- cgit v1.2.1