src/integer/ring/cl_I_ring.cc

   1 // Ring of integers.
   2
   3 // General includes.
   4 #include "cl_sysdep.h"
   5
   6 CL_PROVIDE(cl_I_ring)
   7
   8 // Specification.
   9 #include "cln/integer_ring.h"
  10
  11
  12 // Implementation.
  13
  14 #include "cln/integer.h"
  15 #include "cln/integer_io.h"
  16 #include "cl_I.h"
  17
  18 namespace cln {
  19
  20 static void I_fprint (cl_heap_ring* R, std::ostream& stream, const _cl_ring_element& x)
  21 {
  22         unused R;
  23         fprint(stream,The(cl_I)(x));
  24 }
  25
  26 static cl_boolean I_equal (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
  27 {
  28         unused R;
  29         return equal(The(cl_I)(x),The(cl_I)(y));
  30 }
  31
  32 static const _cl_ring_element I_zero (cl_heap_ring* R)
  33 {
  34         return _cl_ring_element(R, (cl_I)0);
  35 }
  36
  37 static cl_boolean I_zerop (cl_heap_ring* R, const _cl_ring_element& x)
  38 {
  39         unused R;
  40         return zerop(The(cl_I)(x));
  41 }
  42
  43 static const _cl_ring_element I_plus (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
  44 {
  45         return _cl_ring_element(R, The(cl_I)(x) + The(cl_I)(y));
  46 }
  47
  48 static const _cl_ring_element I_minus (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
  49 {
  50         return _cl_ring_element(R, The(cl_I)(x) - The(cl_I)(y));
  51 }
  52
  53 static const _cl_ring_element I_uminus (cl_heap_ring* R, const _cl_ring_element& x)
  54 {
  55         return _cl_ring_element(R, - The(cl_I)(x));
  56 }
  57
  58 static const _cl_ring_element I_one (cl_heap_ring* R)
  59 {
  60         return _cl_ring_element(R, (cl_I)1);
  61 }
  62
  63 static const _cl_ring_element I_canonhom (cl_heap_ring* R, const cl_I& x)
  64 {
  65         return _cl_ring_element(R, (cl_I)x);
  66 }
  67
  68 static const _cl_ring_element I_mul (cl_heap_ring* R, const _cl_ring_element& x, const _cl_ring_element& y)
  69 {
  70         return _cl_ring_element(R, The(cl_I)(x) * The(cl_I)(y));
  71 }
  72
  73 static const _cl_ring_element I_square (cl_heap_ring* R, const _cl_ring_element& x)
  74 {
  75         return _cl_ring_element(R, square(The(cl_I)(x)));
  76 }
  77
  78 static const _cl_ring_element I_expt_pos (cl_heap_ring* R, const _cl_ring_element& x, const cl_I& y)
  79 {
  80         return _cl_ring_element(R, expt_pos(The(cl_I)(x),y));
  81 }
  82
  83 static cl_boolean cl_I_p (const cl_number& x)
  84 {
  85         return (cl_boolean)
  86                (!x.pointer_p()
  87                 ? x.nonpointer_tag() == cl_FN_tag
  88                 : x.pointer_type() == &cl_class_bignum
  89                );
  90 }
  91
  92 static cl_ring_setops I_setops = {
  93         I_fprint,
  94         I_equal
  95 };
  96 static cl_ring_addops I_addops = {
  97         I_zero,
  98         I_zerop,
  99         I_plus,
 100         I_minus,
 101         I_uminus
 102 };
 103 static cl_ring_mulops I_mulops = {
 104         I_one,
 105         I_canonhom,
 106         I_mul,
 107         I_square,
 108         I_expt_pos
 109 };
 110
 111 static cl_number_ring_ops<cl_I> I_ops = {
 112         cl_I_p,
 113         equal,
 114         zerop,
 115         operator+,
 116         operator-,
 117         operator-,
 118         operator*,
 119         square,
 120         expt_pos
 121 };
 122
 123 class cl_heap_integer_ring : public cl_heap_number_ring {
 124         SUBCLASS_cl_heap_ring()
 125 public:
 126         // Constructor.
 127         cl_heap_integer_ring ()
 128                 : cl_heap_number_ring (&I_setops,&I_addops,&I_mulops,
 129                                        (cl_number_ring_ops<cl_number>*) &I_ops)
 130                 { type = &cl_class_integer_ring; }
 131         // Destructor.
 132         ~cl_heap_integer_ring () {}
 133 };
 134
 135 static void cl_integer_ring_destructor (cl_heap* pointer)
 136 {
 137         (*(cl_heap_integer_ring*)pointer).~cl_heap_integer_ring();
 138 }
 139
 140 static void cl_integer_ring_dprint (cl_heap* pointer)
 141 {
 142         unused pointer;
 143         fprint(cl_debugout, "(cl_integer_ring) cl_I_ring");
 144 }
 145
 146 cl_class cl_class_integer_ring = {
 147         cl_integer_ring_destructor,
 148         cl_class_flags_number_ring,
 149         cl_integer_ring_dprint
 150 };
 151
 152 // Constructor.
 153 inline cl_integer_ring::cl_specialized_number_ring ()
 154         : cl_number_ring (new cl_heap_integer_ring()) {}
 155
 156 const cl_integer_ring cl_I_ring;
 157
 158 }  // namespace cln
 159
 160 CL_PROVIDE_END(cl_I_ring)