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/* 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"
#if defined(_WIN32) || defined(__APPLE__)
/* cf pd/src/x_arithmetic.c */
#define asinf asin
#endif
typedef struct _asin
{
t_object x_ob;
float x_value;
} t_asin;
static t_class *asin_class;
static void asin_bang(t_asin *x)
{
outlet_float(((t_object *)x)->ob_outlet, x->x_value);
}
static void asin_float(t_asin *x, t_float f)
{
if (f < -1.0) f = -1.0; else if (f > 1.0) f = 1.0; /* CHECKME */
outlet_float(((t_object *)x)->ob_outlet, x->x_value = asinf(f));
}
static void *asin_new(t_floatarg f)
{
t_asin *x = (t_asin *)pd_new(asin_class);
if (f < -1.0) f = -1.0; else if (f > 1.0) f = 1.0; /* CHECKME */
x->x_value = asinf(f);
outlet_new((t_object *)x, &s_float);
return (x);
}
void asin_setup(void)
{
asin_class = class_new(gensym("asin"),
(t_newmethod)asin_new, 0,
sizeof(t_asin), 0, A_DEFFLOAT, 0);
class_addbang(asin_class, asin_bang);
class_addfloat(asin_class, asin_float);
}
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