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75 lines
2.2 KiB
75 lines
2.2 KiB
// Concrete class of double float numbers.
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#ifndef _CL_DFLOAT_CLASS_H
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#define _CL_DFLOAT_CLASS_H
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#include "cln/number.h"
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#include "cln/float_class.h"
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namespace cln {
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class cl_DF : public cl_F {
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public:
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// Default constructor.
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cl_DF ();
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// Assignment operators.
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cl_DF& operator= (const cl_DF&);
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// Optimization of method pointer_p().
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bool pointer_p() const
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{ return true; }
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// Faster pointer_p() gives a faster copy constructor (but not destructor!!!).
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cl_DF (const cl_DF& x);
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// Constructors and assignment operators from C numeric types.
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cl_DF (const double);
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cl_DF& operator= (const double);
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// Other constructors.
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cl_DF (const char *);
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// Private constructor.
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cl_DF (cl_private_thing);
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cl_DF (struct cl_heap_dfloat *);
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// Private pointer manipulations.
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operator struct cl_heap_dfloat * () const;
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public: // Ability to place an object at a given address.
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void* operator new (size_t size) { return malloc_hook(size); }
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void* operator new (size_t size, void* ptr) { (void)size; return ptr; }
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void operator delete (void* ptr) { free_hook(ptr); }
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private:
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// Friend declarations. They are for the compiler. Just ignore them.
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};
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// Private constructors.
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inline cl_DF::cl_DF (cl_private_thing ptr) : cl_F (ptr) {}
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// The assignment operators:
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CL_DEFINE_ASSIGNMENT_OPERATOR(cl_DF, cl_DF)
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// The default constructors.
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// Private pointer manipulations. Never throw away a `struct cl_heap_dfloat *'!
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inline cl_DF::operator struct cl_heap_dfloat * () const
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{
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struct cl_heap_dfloat * hpointer = (struct cl_heap_dfloat *) pointer;
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cl_inc_refcount(*this);
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return hpointer;
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}
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extern const cl_DF cl_DF_0;
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inline cl_DF::cl_DF ()
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: cl_F ((cl_private_thing) (struct cl_heap_dfloat *) cl_DF_0) {}
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class cl_DF_globals_init_helper
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{
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static int count;
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public:
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cl_DF_globals_init_helper();
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~cl_DF_globals_init_helper();
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};
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static cl_DF_globals_init_helper cl_DF_globals_init_helper_instance;
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#if 0 // see cl_DF.h
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inline cl_DF::cl_DF (struct cl_heap_dfloat * ptr)
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: cl_F ((cl_private_thing) ptr) {}
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#endif
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// The copy constructors.
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CL_DEFINE_COPY_CONSTRUCTOR2(cl_DF,cl_F)
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// Constructors and assignment operators from C numeric types.
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CL_DEFINE_DOUBLE_CONSTRUCTOR(cl_DF)
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} // namespace cln
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#endif /* _CL_DFLOAT_CLASS_H */
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