From da1f0065d07250b86b9a761b012987e4825f491f Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Mon, 28 Nov 2005 16:53:25 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r4068, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/smlib/; revision=4069 --- source/linspace.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 source/linspace.c (limited to 'source/linspace.c') diff --git a/source/linspace.c b/source/linspace.c new file mode 100644 index 0000000..c3af9c2 --- /dev/null +++ b/source/linspace.c @@ -0,0 +1,74 @@ +#include "defines.h" + +/*--------------- linspace ----------------*/ +/* clips a vector */ + + +static t_class *linspace_class; + +typedef struct _linspace +{ + t_object x_obj; + float m_lo; + float m_hi; + float m_n; +} t_linspace; + + +static void linspace_bang(t_linspace *x) +{ + int n; + n=(int)x->m_n; + if ((n<256)&&(n>1)) + { + int i; + float lo,step; + t_atom *ap,*app; + + ap = (t_atom *)getbytes(sizeof(t_atom)*n); + app=ap; + lo=x->m_lo; + step=(x->m_hi-lo)/(n-1); + for (i = 0; i < n; i++) + { + + SETFLOAT(app, lo); + app++; + lo+=step; + } + outlet_list(x->x_obj.ob_outlet,gensym("list"),n,ap); + freebytes(ap,n); + } +} + +static void linspace_float(t_linspace *x, t_float lo) +{ + x->m_lo=lo; + linspace_bang(x); +} + +static void *linspace_new(t_float lo, t_float hi, t_float n) +{ + t_linspace *x=(t_linspace *)pd_new(linspace_class); + + floatinlet_new(&x->x_obj, &x->m_hi); + floatinlet_new(&x->x_obj, &x->m_n); + + outlet_new(&x->x_obj, gensym("list")); + x->m_lo=lo; + x->m_hi=hi; + x->m_n=n; + return (void *)x; +} + +void linspace_setup(void) +{ + linspace_class = class_new(gensym("linspace"), + (t_newmethod)linspace_new, 0, + sizeof(t_linspace), + CLASS_DEFAULT, + A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0); + class_addfloat(linspace_class, (t_method)linspace_float); + class_addbang(linspace_class, (t_method)linspace_bang); +} + -- cgit v1.2.1