diff options
author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2003-07-30 21:52:27 +0000 |
---|---|---|
committer | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2003-07-30 21:52:27 +0000 |
commit | c8f3e3674f08bf56407e478c3160c4392196c118 (patch) | |
tree | c02a0612aa9172c4ee8557ecc5626020a2d4d4b8 /gem_average.c |
separated out all objects into individual files; created a few missing help files; moves all help files to new 0.37 help- standard; removed [reson~] and [abs~] since they are now maintained elsewhere; created Makefile for Linux and Darwinsvn2git-root
svn path=/trunk/externals/markex/; revision=806
Diffstat (limited to 'gem_average.c')
-rw-r--r-- | gem_average.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/gem_average.c b/gem_average.c new file mode 100644 index 0000000..80edf85 --- /dev/null +++ b/gem_average.c @@ -0,0 +1,83 @@ +/* + * Copyright (c) 1997-1999 Mark Danks. + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution. + */ + +#include "m_pd.h" + +/* -------------------------- alternate ------------------------------ */ + +/* instance structure */ +static t_class *gem_average_class; + +typedef struct _gem_average +{ + t_object x_obj; /* obligatory object header */ + int a_total; /* number of numbers to gem_average */ + int a_whichNum; /* which number are pointing at */ + float a_numbers[100]; /* numbers to gem_average, 100 maximum */ + t_outlet *t_out1; /* the outlet */ +} t_gem_average; + +void gem_average_bang(t_gem_average *x) +{ + float gem_average = 0.0f; + int n; + + for (n = 0; n < x->a_total; n++) gem_average = gem_average + x->a_numbers[n]; + gem_average = gem_average / (float)x->a_total; + + outlet_float(x->t_out1, gem_average); +} + +void gem_average_float(t_gem_average *x, t_floatarg n) +{ + if (x->a_whichNum >= x->a_total) x->a_whichNum = 0; + x->a_numbers[x->a_whichNum] = n; + x->a_whichNum++; + gem_average_bang(x); +} + +void gem_average_total(t_gem_average *x, t_floatarg n) +{ + x->a_total = (int)n; +} + +void gem_average_reset(t_gem_average *x, t_floatarg newVal) +{ + int n; + for (n=0; n < 100; n ++) x->a_numbers[n] = newVal; +} + +void gem_average_clear(t_gem_average *x) +{ + int n; + for ( n = 0; n < 100; n ++) x->a_numbers[n] = 0.0f; +} + +void *gem_average_new(t_floatarg f) /* init vals in struc */ +{ + t_gem_average *x = (t_gem_average *)pd_new(gem_average_class); + x->t_out1 = outlet_new(&x->x_obj, 0); + inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("fl1")); + gem_average_clear(x); + if (f) x->a_total = (int)f; + else x->a_total = 10; + x->a_whichNum = 0; + return (x); +} + +void gem_average_setup(void) +{ + gem_average_class = class_new(gensym("gem_average"), (t_newmethod)gem_average_new, 0, + sizeof(t_gem_average), 0, A_DEFFLOAT, 0); + class_addbang(gem_average_class, (t_method)gem_average_bang); + class_addfloat(gem_average_class, (t_method)gem_average_float); + class_addmethod(gem_average_class, (t_method)gem_average_total, gensym("fl1"), A_FLOAT, 0); + class_addmethod(gem_average_class, (t_method)gem_average_clear, gensym("clear"), A_NULL); + class_addmethod(gem_average_class, (t_method)gem_average_reset, gensym("reset"), A_FLOAT, 0); + + class_sethelpsymbol(gem_average_class, gensym("help-gem_average")); +} + |