/**
* The destructor only deletes the pointers if count reaches zero.
*/
~wavetable(){
if( count == 0 or --*count == 0 ){
// could have allocated null pointer
if( ccgsl_pointer != 0 ) gsl_fft_real_wavetable_float_free( ccgsl_pointer );
delete count;
}
}
static void
PyGSL_transform_space_dealloc(PyGSL_transform_space * self)
{
FUNC_MESS_BEGIN();
assert(PyGSL_transform_space_check(self));
assert(self->space.v);
switch(self->type){
case COMPLEX_WORKSPACE: gsl_fft_complex_workspace_free(self->space.cws); break;
case COMPLEX_WAVETABLE: gsl_fft_complex_wavetable_free(self->space.cwt); break;
case REAL_WORKSPACE: gsl_fft_real_workspace_free(self->space.rws); break;
case REAL_WAVETABLE: gsl_fft_real_wavetable_free(self->space.rwt); break;
case HALFCOMPLEX_WAVETABLE: gsl_fft_halfcomplex_wavetable_free(self->space.hcwt); break;
case COMPLEX_WORKSPACE_FLOAT: gsl_fft_complex_workspace_float_free(self->space.cwsf); break;
case COMPLEX_WAVETABLE_FLOAT: gsl_fft_complex_wavetable_float_free(self->space.cwtf); break;
case REAL_WORKSPACE_FLOAT: gsl_fft_real_workspace_float_free(self->space.rwsf); break;
case REAL_WAVETABLE_FLOAT: gsl_fft_real_wavetable_float_free(self->space.rwtf); break;
case HALFCOMPLEX_WAVETABLE_FLOAT: gsl_fft_halfcomplex_wavetable_float_free(self->space.hcwtf); break;
#ifdef _PYGSL_GSL_HAS_WAVELET
case WAVELET_WORKSPACE : gsl_wavelet_workspace_free(self->space.wws); break;
#endif
default: pygsl_error("Got unknown switch", filename, __LINE__, GSL_ESANITY); break;
}
self->space.v = NULL;
FUNC_MESS_END();
}
/**
* The assignment operator. This copies elementwise.
* @param v The wavetable to copy
*/
wavetable& operator=( wavetable const& v ){
// first, possibly delete anything pointed to by this
if( count == 0 or --*count == 0 ){
if( ccgsl_pointer != 0 ) gsl_fft_real_wavetable_float_free( ccgsl_pointer );
delete count;
} // Then copy
ccgsl_pointer = v.ccgsl_pointer; count = v.count; if( count != 0 ) ++*count; return *this;
}
/**
* The default constructor creates a new workspace of size n.
* @param n The size of the workspace.
*/
explicit wavetable( size_t const n ){
ccgsl_pointer = gsl_fft_real_wavetable_float_alloc( n );
// just plausibly we could allocate wavetable_float but not count
try { count = new size_t; } catch( std::bad_alloc& e ){
// try to tidy up before rethrowing
gsl_fft_real_wavetable_float_free( ccgsl_pointer );
throw e;
}
*count = 1; // initially there is just one reference to ccgsl_pointer
}
