diff options
author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2013-01-17 22:54:00 +0000 |
---|---|---|
committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 13:53:22 +0200 |
commit | 71b83fc040b848c98c5065d95ecbc72b0b4f8943 (patch) | |
tree | b64020d616887a488f8304fc13f57ff4d6c4e313 /velocity.c | |
parent | 2b487890477a2ad969a1694270cee19b1265f3f6 (diff) |
merging maxlib v1.5.5 from branches/pd-extended/0.43HEADsvn2git-headmaster
svn path=/trunk/externals/maxlib/; revision=16897
Diffstat (limited to 'velocity.c')
-rw-r--r-- | velocity.c | 224 |
1 files changed, 112 insertions, 112 deletions
@@ -1,112 +1,112 @@ -/* ------------------------- velocity ----------------------------------------- */
-/* */
-/* Get velocity of input in digits per second. */
-/* Written by Olaf Matthes (olaf.matthes@gmx.de) */
-/* Originally written for Max by Trond Lossius. */
-/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program is distributed in the hope that it will be useful, */
-/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
-/* GNU General Public License for more details. */
-/* */
-/* You should have received a copy of the GNU General Public License */
-/* along with this program; if not, write to the Free Software */
-/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-/* */
-/* You should have received a copy of the GNU Lesser General Public */
-/* License along with this library; if not, write to the */
-/* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */
-/* Boston, MA 02111-1307, USA. */
-/* */
-/* Based on PureData by Miller Puckette and others. */
-/* */
-/* ---------------------------------------------------------------------------- */
-
-// velocity.c: (1000*(x[n]-x[n-1]))/Æt
-// (C) Trond Lossius/BEK 2000
-// Last revision: 4/7 2000
-//
-// Input:
-// float
-// int (converted to float)
-// set (set new value but no output)
-// Argument (optional, defaults to 0):
-// Initial stored value
-// Output:
-// float: Velocity as change per second (not ms)
-
-#include "m_pd.h"
-
-static char *version = "velocity v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct velocity
-{
- t_object x_ob;
- t_outlet *x_out;
- t_float x_xn1; /* input (floats) */
- t_float x_xn;
- double x_lasttime;
-} t_velocity;
-
-static void velocity_bang(t_velocity *x)
-{
- double thistime;
- t_float vel;
-
- thistime = clock_getlogicaltime();
- vel = (1000 * (x->x_xn - x->x_xn1) ) / (clock_gettimesince(x->x_lasttime));
- x->x_lasttime = thistime;
- outlet_float(x->x_out, vel);
-}
-
-static void velocity_float(t_velocity *x, t_floatarg f)
-{
- x->x_xn1 = x->x_xn;
- x->x_xn = f;
- velocity_bang(x);
-}
-
-static void velocity_free(t_velocity *x)
-{
- // nothing to do
-}
-
-static t_class *velocity_class;
-
-static void *velocity_new(t_floatarg f)
-{
- t_velocity *x = (t_velocity *)pd_new(velocity_class);
- x->x_out = outlet_new(&x->x_ob, gensym("float"));
- x->x_lasttime = clock_getlogicaltime();
-
- return (void *)x;
-}
-
-#ifndef MAXLIB
-void velocity_setup(void)
-{
- velocity_class = class_new(gensym("velocity"), (t_newmethod)velocity_new,
- (t_method)velocity_free, sizeof(t_velocity), 0, A_DEFFLOAT, 0);
-#else
-void maxlib_velocity_setup(void)
-{
- velocity_class = class_new(gensym("maxlib_velocity"), (t_newmethod)velocity_new,
- (t_method)velocity_free, sizeof(t_velocity), 0, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)velocity_new, gensym("velocity"), A_DEFFLOAT, 0);
-#endif
- class_addfloat(velocity_class, velocity_float);
- class_addbang(velocity_class, velocity_bang);
-#ifndef MAXLIB
-
- post(version);
-#else
- class_sethelpsymbol(velocity_class, gensym("maxlib/velocity-help.pd"));
-#endif
-}
-
+/* ------------------------- velocity ----------------------------------------- */ +/* */ +/* Get velocity of input in digits per second. */ +/* Written by Olaf Matthes (olaf.matthes@gmx.de) */ +/* Originally written for Max by Trond Lossius. */ +/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* You should have received a copy of the GNU Lesser General Public */ +/* License along with this library; if not, write to the */ +/* Free Software Foundation, Inc., 59 Temple Place - Suite 330, */ +/* Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* ---------------------------------------------------------------------------- */ + +// velocity.c: (1000*(x[n]-x[n-1]))/Æt +// (C) Trond Lossius/BEK 2000 +// Last revision: 4/7 2000 +// +// Input: +// float +// int (converted to float) +// set (set new value but no output) +// Argument (optional, defaults to 0): +// Initial stored value +// Output: +// float: Velocity as change per second (not ms) + +#include "m_pd.h" + +static char *version = "velocity v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>"; + +typedef struct velocity +{ + t_object x_ob; + t_outlet *x_out; + t_float x_xn1; /* input (floats) */ + t_float x_xn; + double x_lasttime; +} t_velocity; + +static void velocity_bang(t_velocity *x) +{ + double thistime; + t_float vel; + + thistime = clock_getlogicaltime(); + vel = (1000 * (x->x_xn - x->x_xn1) ) / (clock_gettimesince(x->x_lasttime)); + x->x_lasttime = thistime; + outlet_float(x->x_out, vel); +} + +static void velocity_float(t_velocity *x, t_floatarg f) +{ + x->x_xn1 = x->x_xn; + x->x_xn = f; + velocity_bang(x); +} + +static void velocity_free(t_velocity *x) +{ + // nothing to do +} + +static t_class *velocity_class; + +static void *velocity_new(t_floatarg f) +{ + t_velocity *x = (t_velocity *)pd_new(velocity_class); + x->x_out = outlet_new(&x->x_ob, gensym("float")); + x->x_lasttime = clock_getlogicaltime(); + + return (void *)x; +} + +#ifndef MAXLIB +void velocity_setup(void) +{ + velocity_class = class_new(gensym("velocity"), (t_newmethod)velocity_new, + (t_method)velocity_free, sizeof(t_velocity), 0, A_DEFFLOAT, 0); +#else +void maxlib_velocity_setup(void) +{ + velocity_class = class_new(gensym("maxlib_velocity"), (t_newmethod)velocity_new, + (t_method)velocity_free, sizeof(t_velocity), 0, A_DEFFLOAT, 0); + class_addcreator((t_newmethod)velocity_new, gensym("velocity"), A_DEFFLOAT, 0); +#endif + class_addfloat(velocity_class, velocity_float); + class_addbang(velocity_class, velocity_bang); +#ifndef MAXLIB + + logpost(NULL, 4, version); +#else + class_sethelpsymbol(velocity_class, gensym("maxlib/velocity-help.pd")); +#endif +} + |