float_class.h [include/cln/float_class.h]

1	// Abstract class of floating-point numbers.
2
3	#ifndef _CL_FLOAT_CLASS_H
4	#define _CL_FLOAT_CLASS_H
5
6	#include "cln/number.h"
7	#include "cln/real_class.h"
8
9	namespace cln {
10
11	class cl_F : public cl_R {
12	public:
13	// Default constructor.
14	cl_F ();
15	// Copy constructor.
16	cl_F (const cl_F&);
17	// Converters.
18	// Assignment operators.
19	cl_F& operator= (const cl_F&);
20	// Constructors and assignment operators from C numeric types.
21	cl_F (const float);
22	cl_F (const double);
23	cl_F& operator= (const float);
24	cl_F& operator= (const double);
25	// Other constructors.
26	cl_F (const char *);
27	// Private constructor.
28	cl_F (cl_private_thing);
29	public: // Ability to place an object at a given address.
30	void* operator new (size_t size) { return malloc_hook(size); }
31	void* operator new (size_t size, void* ptr) { (void)size; return ptr; }
32	void operator delete (void* ptr) { free_hook(ptr); }
33	private:
34	// Friend declarations. They are for the compiler. Just ignore them.
35	};
36
37	// Private constructors.
38	inline cl_F::cl_F (cl_private_thing ptr) : cl_R (ptr) {}
39	// The assignment operators:
40	CL_DEFINE_ASSIGNMENT_OPERATOR(cl_F, cl_F)
41	// The default constructors.
42	inline cl_F::cl_F ()
43	: cl_R ((cl_private_thing) cl_combine(cl_SF_tag,`0`)) {}
44	// The copy constructors.
45	CL_DEFINE_COPY_CONSTRUCTOR2(cl_F,cl_R)
46	// Constructors and assignment operators from C numeric types.
47	CL_DEFINE_FLOAT_CONSTRUCTOR(cl_F)
48	CL_DEFINE_DOUBLE_CONSTRUCTOR(cl_F)
49
50	} // namespace cln
51
52	#endif /* _CL_FLOAT_CLASS_H */
53