// Ring of complex numbers.
// General includes.
-#include "cl_sysdep.h"
-
-CL_PROVIDE(cl_C_ring)
+#include "base/cl_sysdep.h"
// Specification.
#include "cln/complex_ring.h"
#include "cln/complex.h"
#include "cln/complex_io.h"
-#include "cl_C.h"
+#include "complex/cl_C.h"
namespace cln {
static void N_fprint (cl_heap_ring* R, std::ostream& stream, const _cl_ring_element& x)
{
- unused R;
+ cl_unused R;
fprint(stream,The(cl_N)(x));
}
-static cl_boolean N_equal (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
+static bool N_equal (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
{
- unused R;
+ cl_unused R;
return equal(The(cl_N)(x),The(cl_N)(y));
}
return _cl_ring_element(R, (cl_N)0);
}
-static cl_boolean N_zerop (cl_heap_ring* R, const _cl_ring_element& x)
+static bool N_zerop (cl_heap_ring* R, const _cl_ring_element& x)
{
- unused R;
+ cl_unused R;
// Here we return true only if x is the *exact* zero. Because we
// don't want the degree of polynomials to depend on rounding errors.
// For all ring theoretic purposes, we treat 0.0, 0+0.0i etc. as if
return _cl_ring_element(R, expt(The(cl_N)(x),y));
}
-static cl_boolean cl_N_p (const cl_number& x)
+static bool cl_N_p (const cl_number& x)
{
- return (cl_boolean)
- (!x.pointer_p()
- || (x.pointer_type()->flags & cl_class_flags_subclass_complex) != 0
- );
+ return (!x.pointer_p()
+ || (x.pointer_type()->flags & cl_class_flags_subclass_complex) != 0);
}
static cl_ring_setops N_setops = {
static void cl_complex_ring_dprint (cl_heap* pointer)
{
- unused pointer;
+ cl_unused pointer;
fprint(cl_debugout, "(cl_complex_ring) cl_C_ring");
}
-cl_class cl_class_complex_ring = {
- cl_complex_ring_destructor,
- cl_class_flags_number_ring,
- cl_complex_ring_dprint
-};
+cl_class cl_class_complex_ring;
+static cl_heap_complex_ring* cl_heap_complex_ring_instance;
+const cl_complex_ring cl_C_ring = cl_C_ring;
// Constructor.
template <>
inline cl_complex_ring::cl_specialized_number_ring ()
- : cl_number_ring (new cl_heap_complex_ring()) {}
+ : cl_number_ring(cl_heap_complex_ring_instance) { }
+
+int cl_C_ring_init_helper::count = 0;
+
+cl_C_ring_init_helper::cl_C_ring_init_helper()
+{
+ if (count++ == 0) {
+ cl_class_complex_ring.destruct = cl_complex_ring_destructor;
+ cl_class_complex_ring.flags = cl_class_flags_number_ring;
+ cl_class_complex_ring.dprint = cl_complex_ring_dprint;
+ cl_heap_complex_ring_instance = new cl_heap_complex_ring();
+ new ((void *)&cl_C_ring) cl_complex_ring();
+ }
+}
-const cl_complex_ring cl_C_ring;
+cl_C_ring_init_helper::~cl_C_ring_init_helper()
+{
+ if (--count == 0) {
+ delete cl_heap_complex_ring_instance;
+ }
+}
} // namespace cln
-CL_PROVIDE_END(cl_C_ring)