diff options
author | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-06-02 18:25:00 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-06-02 18:25:00 +0000 |
commit | 0c9b89b1018eb7760708ee5b080cd96846861328 (patch) | |
tree | f43a2b20292bba90931fe84e67aca8fb0013a984 /src/iemlib1/sigiem_pow4.c | |
parent | d56ec9d039c904e9230137254ff2fe281320eed9 (diff) |
updated to release-1.16
svn path=/trunk/externals/iemlib/; revision=3102
Diffstat (limited to 'src/iemlib1/sigiem_pow4.c')
-rw-r--r-- | src/iemlib1/sigiem_pow4.c | 172 |
1 files changed, 86 insertions, 86 deletions
diff --git a/src/iemlib1/sigiem_pow4.c b/src/iemlib1/sigiem_pow4.c index ae5334c..4cc8232 100644 --- a/src/iemlib1/sigiem_pow4.c +++ b/src/iemlib1/sigiem_pow4.c @@ -1,86 +1,86 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ------------------------ iem_pow4~ ----------------------------- */ - -static t_class *sigiem_pow4_class; - -typedef struct _sigiem_pow4 -{ - t_object x_obj; - float x_exp; - float x_msi; -} t_sigiem_pow4; - -static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f) -{ - x->x_exp = f; -} - -static t_int *sigiem_pow4_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]); - t_float y=x->x_exp; - t_float f, g; - int n = (int)(w[4])/4; - - while (n--) - { - f = *in; - if(f < 0.01f) - f = 0.01f; - else if(f > 1000.0f) - f = 1000.0f; - g = log(f); - f = exp(g*y); - *out++ = f; - *out++ = f; - *out++ = f; - *out++ = f; - in += 4; - } - return (w+5); -} - -static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp) -{ - dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *sigiem_pow4_new(t_floatarg f) -{ - t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class); - - x->x_exp = f; - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, gensym("signal")); - x->x_msi = 0; - return (x); -} - -void sigiem_pow4_setup(void) -{ - sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0, - sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0); - CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0); - class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~")); -} +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ------------------------ iem_pow4~ ----------------------------- */
+
+static t_class *sigiem_pow4_class;
+
+typedef struct _sigiem_pow4
+{
+ t_object x_obj;
+ float x_exp;
+ float x_msi;
+} t_sigiem_pow4;
+
+static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f)
+{
+ x->x_exp = f;
+}
+
+static t_int *sigiem_pow4_perform(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float *out = (t_float *)(w[2]);
+ t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]);
+ t_float y=x->x_exp;
+ t_float f, g;
+ int n = (int)(w[4])/4;
+
+ while (n--)
+ {
+ f = *in;
+ if(f < 0.01f)
+ f = 0.01f;
+ else if(f > 1000.0f)
+ f = 1000.0f;
+ g = log(f);
+ f = exp(g*y);
+ *out++ = f;
+ *out++ = f;
+ *out++ = f;
+ *out++ = f;
+ in += 4;
+ }
+ return (w+5);
+}
+
+static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp)
+{
+ dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigiem_pow4_new(t_floatarg f)
+{
+ t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class);
+
+ x->x_exp = f;
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
+ outlet_new(&x->x_obj, gensym("signal"));
+ x->x_msi = 0;
+ return (x);
+}
+
+void sigiem_pow4_setup(void)
+{
+ sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0,
+ sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0);
+ class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0);
+ CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi);
+ class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0);
+ class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~"));
+}
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