Class: WavSpectrumAnalyzer::Wavelet
- Inherits:
-
Object
- Object
- WavSpectrumAnalyzer::Wavelet
- Defined in:
- ext/wavspa/wavelet/rb_wavelet.c
Instance Method Summary collapse
- #amplitude ⇒ Object
- #frequency ⇒ Object
- #frequency=(fq) ⇒ Object
- #gabor_threshold ⇒ Object
- #gabor_threshold=(th) ⇒ Object
- #initialize(argv[], self) ⇒ Object constructor
- #power ⇒ Object
- #put_in(_fmt, _smpl) ⇒ Object
- #range ⇒ Object
- #range=(range) ⇒ Object
- #scale_mode ⇒ Object
- #scale_mode=(mode) ⇒ Object
- #sigma ⇒ Object
- #sigma=(sigma) ⇒ Object
- #transform(pos) ⇒ Object
- #width ⇒ Object
- #width=(width) ⇒ Object
Constructor Details
#initialize(argv[], self) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 178
static VALUE
rb_wavelet_initialize(int argc, VALUE argv[], VALUE self)
{
rb_wavelet_t* ptr;
int err;
VALUE opt;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* parse argument
*/
rb_scan_args(argc, argv, "01", &opt);
if (opt != Qnil) {
Check_Type(opt, T_HASH);
}
/*
* create wavelet context
*/
err = walet_new(&ptr->wl);
if (err) {
RUNTIME_ERROR("walet_new() failes [err=%d]\n", err);
}
/*
* set context
*/
if (opt != Qnil) {
set_wavelet_context(ptr, opt);
}
return self;
}
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Instance Method Details
#amplitude ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 696
static VALUE
rb_wavelet_amplitude(VALUE self)
{
rb_wavelet_t* ptr;
VALUE ret;
int err;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return buffer
*/
ret = rb_str_buf_new(sizeof(double) * ptr->wl->width);
rb_str_set_len(ret, sizeof(double) * ptr->wl->width);
/*
* call base library
*/
err = calc_amplitude(ptr->wl, (double*)RSTRING_PTR(ret));
if (err) {
RUNTIME_ERROR("walet_calc_amplitude() failed [err=%d]\n", err);
}
return ret;
}
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#frequency ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 291
static VALUE
rb_wavelet_get_frequency(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return paramter
*/
ret = DBL2NUM(ptr->wl->fq_s);
return ret;
}
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#frequency=(fq) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 310
static VALUE
rb_wavelet_set_frequency(VALUE self, VALUE fq)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_frequency(ptr, fq);
return fq;
}
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#gabor_threshold ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 254
static VALUE
rb_wavelet_get_gabor_threshold(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return paramter
*/
ret = DBL2NUM(ptr->wl->gth);
return ret;
}
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#gabor_threshold=(th) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 273
static VALUE
rb_wavelet_set_gabor_threshold(VALUE self, VALUE th)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_gabor_threshold(ptr, th);
return th;
}
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#power ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 636
static VALUE
rb_wavelet_power(VALUE self)
{
rb_wavelet_t* ptr;
VALUE ret;
int err;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return buffer
*/
ret = rb_str_buf_new(sizeof(double) * ptr->wl->width);
rb_str_set_len(ret, sizeof(double) * ptr->wl->width);
/*
* call base library
*/
err = calc_power(ptr->wl, (double*)RSTRING_PTR(ret));
if (err) {
RUNTIME_ERROR("walet_calc_power() failed [err=%d]\n", err);
}
return ret;
}
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#put_in(_fmt, _smpl) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 490
static VALUE
rb_wavelet_put_in(VALUE self, VALUE _fmt, VALUE _smpl)
{
rb_wavelet_t* ptr;
int err;
void* smpl;
char fmt[8];
int n;
/*
* check argument
*/
Check_Type(_fmt, T_STRING);
Check_Type(_smpl, T_STRING);
/*
* stript object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* unpack argument
*/
smpl = RSTRING_PTR(_smpl);
n = RSTRING_LEN(_smpl);
err = copy_rb_string(fmt, _fmt, N(fmt));
if (err) {
ARGUMENT_ERROR("Illeagal format string.\n");
}
/*
* eval format
*/
if (strcasecmp("u8", fmt) == 0) {
/* Nothing */
} else if(strcasecmp("u16be", fmt) == 0 ||
strcasecmp("u16le", fmt) == 0 ||
strcasecmp("s16be", fmt) == 0 ||
strcasecmp("s16le", fmt) == 0 ) {
n /= 2;
} else if(strcasecmp("u24be", fmt) == 0 ||
strcasecmp("u24le", fmt) == 0) {
n /= 3;
} else {
ARGUMENT_ERROR("Illeagal format string.\n");
}
/*
* call base library
*/
err = walet_put_in(ptr->wl, fmt, smpl, n);
if (err) {
RUNTIME_ERROR("walet_put_in() failed [err=%d]\n", err);
}
return self;
}
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#range ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 328
static VALUE
rb_wavelet_get_range(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
VALUE begin;
VALUE end;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return paramter
*/
begin = rb_float_new(ptr->wl->fq_l);
end = rb_float_new(ptr->wl->fq_h);
ret = rb_range_new(begin, end, 0);
return ret;
}
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#range=(range) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 352
static VALUE
rb_wavelet_set_range(VALUE self, VALUE range)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_range(ptr, range);
return range;
}
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#scale_mode ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 370
static VALUE
rb_wavelet_get_scale_mode(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return parameter
*/
switch (ptr->wl->mode) {
case 1:
ret = symb_linear_scale;
break;
case 2:
ret = symb_log_scale;
break;
default:
RUNTIME_ERROR("Really?");
}
return ret;
}
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#scale_mode=(mode) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 400
static VALUE
rb_wavelet_set_scale_mode(VALUE self, VALUE mode)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_scale_mode(ptr, mode);
return mode;
}
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#sigma ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 217
static VALUE
rb_wavelet_get_sigma(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return paramter
*/
ret = DBL2NUM(ptr->wl->sigma);
return ret;
}
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#sigma=(sigma) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 236
static VALUE
rb_wavelet_set_sigma(VALUE self, VALUE sigma)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_sigma(ptr, sigma);
return sigma;
}
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#transform(pos) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 583
static VALUE
rb_wavelet_transform(VALUE self, VALUE pos)
{
rb_wavelet_t* ptr;
int err;
/*
* stript object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call base library
*/
err = transform(ptr->wl, NUM2INT(pos));
if (err) {
RUNTIME_ERROR("walet_transform() failed [err=%d]\n", err);
}
return self;
}
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#width ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 418
static VALUE
rb_wavelet_get_output_width(VALUE self)
{
VALUE ret;
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* create return paramter
*/
ret = INT2FIX(ptr->wl->width);
return ret;
}
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#width=(width) ⇒ Object
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# File 'ext/wavspa/wavelet/rb_wavelet.c', line 438
static VALUE
rb_wavelet_set_output_width(VALUE self, VALUE width)
{
rb_wavelet_t* ptr;
/*
* strip object
*/
Data_Get_Struct(self, rb_wavelet_t, ptr);
/*
* call setter function
*/
eval_wavelet_opt_output_width(ptr, width);
return width;
}
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