diff options
Diffstat (limited to 'cyclone/sickle/cosx.c')
-rw-r--r-- | cyclone/sickle/cosx.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/cyclone/sickle/cosx.c b/cyclone/sickle/cosx.c new file mode 100644 index 0000000..b368559 --- /dev/null +++ b/cyclone/sickle/cosx.c @@ -0,0 +1,51 @@ +/* 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 "sickle/sic.h" + +/* by definition, this is just an interface to the -lm call + (do not use costable) */ + +#if defined(NT) || defined(MACOSX) +/* cf pd/src/x_arithmetic.c */ +#define cosf cos +#endif + +typedef t_sic t_cosx; +static t_class *cosx_class; + +static t_int *cosx_perform(t_int *w) +{ + int nblock = (int)(w[1]); + t_float *in = (t_float *)(w[2]); + t_float *out = (t_float *)(w[3]); + while (nblock--) + { + float f = *in++; + *out++ = cosf(f); + } + return (w + 4); +} + +static void cosx_dsp(t_cosx *x, t_signal **sp) +{ + dsp_add(cosx_perform, 3, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec); +} + +static void *cosx_new(void) +{ + t_cosx *x = (t_cosx *)pd_new(cosx_class); + outlet_new((t_object *)x, &s_signal); + return (x); +} + +void cosx_tilde_setup(void) +{ + cosx_class = class_new(gensym("cosx~"), + (t_newmethod)cosx_new, 0, + sizeof(t_cosx), 0, 0); + sic_setup(cosx_class, cosx_dsp, SIC_FLOATTOSIGNAL); +} |