You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

66 lines
2.1 KiB

25 years ago
25 years ago
25 years ago
25 years ago
25 years ago
  1. // Concrete class of long float numbers.
  2. #ifndef _CL_LFLOAT_CLASS_H
  3. #define _CL_LFLOAT_CLASS_H
  4. #include "cln/number.h"
  5. #include "cln/float_class.h"
  6. namespace cln {
  7. class cl_LF : public cl_F {
  8. public:
  9. // Default constructor.
  10. cl_LF ();
  11. // Assignment operators.
  12. cl_LF& operator= (const cl_LF&);
  13. // Optimization of method pointer_p().
  14. cl_boolean pointer_p() const
  15. { return cl_true; }
  16. // Faster pointer_p() gives a faster copy constructor (but not destructor!!!).
  17. cl_LF (const cl_LF& x);
  18. // Other constructors.
  19. cl_LF (const char *);
  20. // Private constructor.
  21. cl_LF (cl_private_thing);
  22. cl_LF (struct cl_heap_lfloat *);
  23. // Private pointer manipulations.
  24. operator struct cl_heap_lfloat * () const;
  25. public: // Ability to place an object at a given address.
  26. void* operator new (size_t size) { return malloc_hook(size); }
  27. void* operator new (size_t size, void* ptr) { (void)size; return ptr; }
  28. void operator delete (void* ptr) { free_hook(ptr); }
  29. };
  30. // Define this if you want the elementary cl_LF operations (+, -, *, /,
  31. // sqrt, cl_LF_I_mul) to return results which are always the correctly
  32. // rounded exact results, i.e. results which are correct within 0.5 ulp.
  33. // If you don't define this, results will be correct within 0.50001 ulp,
  34. // but often the computation will be much faster.
  35. /* #define CL_LF_PEDANTIC */
  36. // Private constructors.
  37. inline cl_LF::cl_LF (cl_private_thing ptr) : cl_F (ptr) {}
  38. // The assignment operators:
  39. CL_DEFINE_ASSIGNMENT_OPERATOR(cl_LF, cl_LF)
  40. // The default constructors.
  41. // Private pointer manipulations. Never throw away a `struct cl_heap_lfloat *'!
  42. inline cl_LF::operator struct cl_heap_lfloat * () const
  43. {
  44. struct cl_heap_lfloat * hpointer = (struct cl_heap_lfloat *) pointer;
  45. cl_inc_refcount(*this);
  46. return hpointer;
  47. }
  48. extern const cl_LF cl_LF_0;
  49. inline cl_LF::cl_LF ()
  50. : cl_F ((cl_private_thing) (struct cl_heap_lfloat *) cl_LF_0) {}
  51. CL_REQUIRE(cl_LF_globals)
  52. #if 0 // see cl_LF_impl.h
  53. inline cl_LF::cl_LF (struct cl_heap_lfloat * ptr)
  54. : cl_F ((cl_private_thing) ptr) {}
  55. #endif
  56. // The copy constructors.
  57. CL_DEFINE_COPY_CONSTRUCTOR2(cl_LF,cl_F)
  58. } // namespace cln
  59. #endif /* _CL_LFLOAT_CLASS_H */