diff options
author | N.N. <krzyszcz@users.sourceforge.net> | 2003-05-23 12:29:55 +0000 |
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committer | N.N. <krzyszcz@users.sourceforge.net> | 2003-05-23 12:29:55 +0000 |
commit | faada59567f8cb252f4a909116595ce309ff5828 (patch) | |
tree | 5874954c6f2d5392d921208e49a45ef266beeb7f /cyclone/sickle/atan2.c |
This commit was generated by cvs2svn to compensate for changes in r647,svn2git-root
which included commits to RCS files with non-trunk default branches.
svn path=/trunk/externals/miXed/; revision=648
Diffstat (limited to 'cyclone/sickle/atan2.c')
-rw-r--r-- | cyclone/sickle/atan2.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/cyclone/sickle/atan2.c b/cyclone/sickle/atan2.c new file mode 100644 index 0000000..171fc17 --- /dev/null +++ b/cyclone/sickle/atan2.c @@ -0,0 +1,53 @@ +/* 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" + +#if defined(NT) || defined(MACOSX) +/* cf pd/src/x_arithmetic.c */ +#define atan2f atan2 +#endif + +typedef t_sic t_atan2; +static t_class *atan2_class; + +static t_int *atan2_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 *out = (t_float *)(w[4]); + while (nblock--) + { + float f1 = *in1++; + float f2 = *in2++; + /* CHECKED arg order, range (radians) */ + *out++ = atan2f(f1, f2); + } + return (w + 5); +} + +static void atan2_dsp(t_atan2 *x, t_signal **sp) +{ + dsp_add(atan2_perform, 4, sp[0]->s_n, + sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec); +} + +static void *atan2_new(t_floatarg f) +{ + t_atan2 *x = (t_atan2 *)pd_new(atan2_class); + sic_newinlet((t_sic *)x, f); /* CHECKED x-value argument */ + outlet_new((t_object *)x, &s_signal); + return (x); +} + +void atan2_tilde_setup(void) +{ + atan2_class = class_new(gensym("atan2~"), + (t_newmethod)atan2_new, 0, + sizeof(t_atan2), 0, A_DEFFLOAT, 0); + sic_setup(atan2_class, atan2_dsp, SIC_FLOATTOSIGNAL); +} |