definitions.h

 
#pragma once
 
#define GENERIC_ARITHMETIC_OPERATOR_DECLARATION(lhs_type, op, rhs_type) lhs_type operator op(const rhs_type o);
#define ARITHMETIC_OPERATOR_DECLARATION(type, op) GENERIC_ARITHMETIC_OPERATOR_DECLARATION(type, op, type)
#define GENERIC_ARITHMETIC_OPERATORS_DECLARATION(lhs_type, rhs_type) \
  GENERIC_ARITHMETIC_OPERATOR_DECLARATION(lhs_type, +=, rhs_type)    \
  GENERIC_ARITHMETIC_OPERATOR_DECLARATION(lhs_type, -=, rhs_type)    \
  GENERIC_ARITHMETIC_OPERATOR_DECLARATION(lhs_type, *=, rhs_type)    \
  GENERIC_ARITHMETIC_OPERATOR_DECLARATION(lhs_type, /=, rhs_type)
#define ARITHMETIC_OPERATORS_DECLARATION(type) GENERIC_ARITHMETIC_OPERATORS_DECLARATION(type, type)
#define GENERIC_ARITHMETIC_OPERATOR_DEFINITION(lhs_type, op, rhs_type) \
  lhs_type operator op(const rhs_type o) const {                       \
    lhs_type temp(*this);                                              \
    temp op## = o;                                                     \
    return temp;                                                       \
  }
#define ARITHMETIC_OPERATOR_DEFINITION(type, op) GENERIC_ARITHMETIC_OPERATOR_DEFINITION(type, op, type &)
#define GENERIC_ARITHMETIC_OPERATORS_DEFINITION(lhs_type, rhs_type) \
  GENERIC_ARITHMETIC_OPERATOR_DEFINITION(lhs_type, +, rhs_type)     \
  GENERIC_ARITHMETIC_OPERATOR_DEFINITION(lhs_type, -, rhs_type)     \
  GENERIC_ARITHMETIC_OPERATOR_DEFINITION(lhs_type, *, rhs_type)     \
  GENERIC_ARITHMETIC_OPERATOR_DEFINITION(lhs_type, /, rhs_type)
#define ARITHMETIC_OPERATORS_DEFINITION(type) GENERIC_ARITHMETIC_OPERATORS_DEFINITION(type, type &)
#define GENERIC_ARITHMETIC_OPERATORS(lhs_type, rhs_type)         \
  GENERIC_ARITHMETIC_OPERATORS_DECLARATION(lhs_type &, rhs_type) \
  GENERIC_ARITHMETIC_OPERATORS_DEFINITION(lhs_type, rhs_type)
#define ARITHMETIC_OPERATORS(type)         \
  ARITHMETIC_OPERATORS_DECLARATION(type &) \
  ARITHMETIC_OPERATORS_DEFINITION(type)
 
#define EXPLICIT_TEMPLATE_INSTANTIATION(c, t) template class c<t>
 
#define EXPLICIT_TEMPLATE_INSTANTIATION_NUMERIC(c) \
  EXPLICIT_TEMPLATE_INSTANTIATION(c, int);         \
  EXPLICIT_TEMPLATE_INSTANTIATION(c, long);        \
  EXPLICIT_TEMPLATE_INSTANTIATION(c, float);       \
  EXPLICIT_TEMPLATE_INSTANTIATION(c, double)
 
#define EXTERNAL_TEMPLATE_INSTANTIATION(c, t) extern template class c<t>
 
#define EXTERNAL_TEMPLATE_INSTANTIATION_NUMERIC(c) \
  EXTERNAL_TEMPLATE_INSTANTIATION(c, int);         \
  EXTERNAL_TEMPLATE_INSTANTIATION(c, long);        \
  EXTERNAL_TEMPLATE_INSTANTIATION(c, float);       \
  EXTERNAL_TEMPLATE_INSTANTIATION(c, double)