787 lines
18 KiB
C++
787 lines
18 KiB
C++
#include "value.h"
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namespace ledger {
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void value_t::destroy()
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{
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switch (type) {
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case AMOUNT:
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((amount_t *)data)->~amount_t();
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break;
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case BALANCE:
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((balance_t *)data)->~balance_t();
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break;
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case BALANCE_PAIR:
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((balance_pair_t *)data)->~balance_pair_t();
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break;
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default:
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break;
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}
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}
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value_t& value_t::operator=(const value_t& value)
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{
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if (this == &value)
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return *this;
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destroy();
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switch (value.type) {
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case BOOLEAN:
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*((bool *) data) = *((bool *) value.data);
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break;
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case INTEGER:
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*((unsigned int *) data) = *((unsigned int *) value.data);
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break;
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case AMOUNT:
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new((amount_t *)data) amount_t(*((amount_t *) value.data));
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break;
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case BALANCE:
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new((balance_t *)data) balance_t(*((balance_t *) value.data));
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break;
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case BALANCE_PAIR:
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new((balance_pair_t *)data) balance_pair_t(*((balance_pair_t *) value.data));
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break;
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default:
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assert(0);
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break;
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}
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type = value.type;
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return *this;
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}
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#define DEF_VALUE_OP(OP) \
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value_t& value_t::operator OP(const value_t& value) \
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{ \
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switch (type) { \
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case BOOLEAN: \
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case INTEGER: \
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cast(INTEGER); \
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switch (value.type) { \
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case BOOLEAN: \
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*((unsigned int *) data) OP (*((bool *) value.data) ? 1U : 0U); \
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break; \
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\
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case INTEGER: \
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*((unsigned int *) data) OP *((unsigned int *) value.data); \
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break; \
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\
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case AMOUNT: \
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cast(AMOUNT); \
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*((amount_t *) data) OP *((amount_t *) value.data); \
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break; \
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\
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case BALANCE: \
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cast(BALANCE); \
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*((balance_t *) data) OP *((balance_t *) value.data); \
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break; \
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\
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case BALANCE_PAIR: \
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cast(BALANCE_PAIR); \
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*((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case AMOUNT: \
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switch (value.type) { \
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case BOOLEAN: \
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*((amount_t *) data) OP (*((bool *) value.data) ? 1U : 0U); \
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break; \
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\
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case INTEGER: \
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*((amount_t *) data) OP *((unsigned int *) value.data); \
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break; \
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\
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case AMOUNT: \
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if (((amount_t *) data)->commodity() != \
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((amount_t *) value.data)->commodity()) { \
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cast(BALANCE); \
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return *this OP value; \
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} \
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*((amount_t *) data) OP *((amount_t *) value.data); \
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break; \
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\
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case BALANCE: \
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cast(BALANCE); \
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*((balance_t *) data) OP *((balance_t *) value.data); \
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break; \
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\
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case BALANCE_PAIR: \
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cast(BALANCE_PAIR); \
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*((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case BALANCE: \
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switch (value.type) { \
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case BOOLEAN: \
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*((balance_t *) data) OP (*((bool *) value.data) ? 1U : 0U); \
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break; \
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\
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case INTEGER: \
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*((balance_t *) data) OP *((unsigned int *) value.data); \
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break; \
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\
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case AMOUNT: \
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*((balance_t *) data) OP *((amount_t *) value.data); \
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break; \
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\
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case BALANCE: \
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*((balance_t *) data) OP *((balance_t *) value.data); \
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break; \
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\
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case BALANCE_PAIR: \
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cast(BALANCE_PAIR); \
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*((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case BALANCE_PAIR: \
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switch (value.type) { \
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case BOOLEAN: \
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*((balance_pair_t *) data) OP (*((bool *) value.data) ? 1U : 0U); \
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break; \
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\
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case INTEGER: \
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*((balance_pair_t *) data) OP *((unsigned int *) value.data); \
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break; \
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\
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case AMOUNT: \
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*((balance_pair_t *) data) OP *((amount_t *) value.data); \
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break; \
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\
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case BALANCE: \
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*((balance_pair_t *) data) OP *((balance_t *) value.data); \
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break; \
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\
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case BALANCE_PAIR: \
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*((balance_pair_t *) data) OP *((balance_pair_t *) value.data); \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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return *this; \
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}
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DEF_VALUE_OP(+=)
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DEF_VALUE_OP(-=)
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DEF_VALUE_OP(*=)
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DEF_VALUE_OP(/=)
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#define DEF_VALUE_CMP_OP(OP) \
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bool value_t::operator OP(const value_t& value) \
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{ \
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switch (type) { \
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case BOOLEAN: \
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switch (value.type) { \
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case BOOLEAN: \
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return *((bool *) data) OP *((bool *) value.data); \
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\
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case INTEGER: \
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return *((bool *) data) OP bool(*((unsigned int *) value.data)); \
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\
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case AMOUNT: \
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return *((bool *) data) OP bool(*((amount_t *) value.data)); \
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\
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case BALANCE: \
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return *((bool *) data) OP bool(*((balance_t *) value.data)); \
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\
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case BALANCE_PAIR: \
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return *((bool *) data) OP bool(*((balance_pair_t *) value.data)); \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case INTEGER: \
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switch (value.type) { \
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case BOOLEAN: \
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return (*((unsigned int *) data) OP \
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((unsigned int) *((bool *) value.data))); \
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\
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case INTEGER: \
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return (*((unsigned int *) data) OP \
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*((unsigned int *) value.data)); \
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\
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case AMOUNT: \
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return (amount_t(*((unsigned int *) data)) OP \
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*((amount_t *) value.data)); \
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\
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case BALANCE: \
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return (balance_t(*((unsigned int *) data)) OP \
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*((balance_t *) value.data)); \
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\
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case BALANCE_PAIR: \
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return (balance_pair_t(*((unsigned int *) data)) OP \
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*((balance_pair_t *) value.data)); \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case AMOUNT: \
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switch (value.type) { \
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case BOOLEAN: \
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return *((amount_t *) data) OP amount_t(*((bool *) value.data)); \
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\
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case INTEGER: \
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return (*((amount_t *) data) OP \
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amount_t(*((unsigned int *) value.data))); \
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\
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case AMOUNT: \
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return *((amount_t *) data) OP *((amount_t *) value.data); \
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\
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case BALANCE: \
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return (*((amount_t *) data) OP \
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((balance_t *) value.data)-> \
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amount(((amount_t *) data)->commodity())); \
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\
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case BALANCE_PAIR: \
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return (*((amount_t *) data) OP \
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((balance_pair_t *) value.data)-> \
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quantity.amount(((amount_t *) data)->commodity())); \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case BALANCE: \
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switch (value.type) { \
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case BOOLEAN: \
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return *((balance_t *) data) OP (unsigned int)*((bool *) value.data); \
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\
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case INTEGER: \
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return *((balance_t *) data) OP *((unsigned int *) value.data); \
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\
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case AMOUNT: \
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return *((balance_t *) data) OP *((amount_t *) value.data); \
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\
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case BALANCE: \
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return *((balance_t *) data) OP *((balance_t *) value.data); \
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\
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case BALANCE_PAIR: \
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return (*((balance_t *) data) OP \
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((balance_pair_t *) value.data)->quantity); \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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case BALANCE_PAIR: \
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switch (value.type) { \
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case BOOLEAN: \
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return (((balance_pair_t *) data)->quantity OP \
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(unsigned int)*((bool *) value.data)); \
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\
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case INTEGER: \
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return (((balance_pair_t *) data)->quantity OP \
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*((unsigned int *) value.data)); \
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\
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case AMOUNT: \
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return (((balance_pair_t *) data)->quantity OP \
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*((amount_t *) value.data)); \
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\
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case BALANCE: \
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return (((balance_pair_t *) data)->quantity OP \
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*((balance_t *) value.data)); \
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\
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case BALANCE_PAIR: \
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return (*((balance_pair_t *) data) OP \
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*((balance_pair_t *) value.data)); \
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\
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default: \
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assert(0); \
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break; \
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} \
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break; \
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\
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default: \
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assert(0); \
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break; \
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} \
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return *this; \
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}
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DEF_VALUE_CMP_OP(==)
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DEF_VALUE_CMP_OP(<)
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DEF_VALUE_CMP_OP(<=)
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DEF_VALUE_CMP_OP(>)
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DEF_VALUE_CMP_OP(>=)
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void value_t::cast(type_t cast_type)
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{
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switch (type) {
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case BOOLEAN:
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switch (cast_type) {
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case BOOLEAN:
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break;
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case INTEGER:
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*((unsigned int *) data) = *((bool *) data);
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break;
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case AMOUNT:
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new((amount_t *)data) amount_t(*((bool *) data));
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break;
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case BALANCE:
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new((balance_t *)data) balance_t(*((bool *) data));
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break;
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case BALANCE_PAIR:
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new((balance_pair_t *)data) balance_pair_t(*((bool *) data));
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break;
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default:
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assert(0);
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break;
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}
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break;
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case INTEGER:
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switch (cast_type) {
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case BOOLEAN:
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*((bool *) data) = *((unsigned int *) data);
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break;
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case INTEGER:
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break;
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case AMOUNT:
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new((amount_t *)data) amount_t(*((unsigned int *) data));
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break;
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case BALANCE:
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new((balance_t *)data) balance_t(*((unsigned int *) data));
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break;
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case BALANCE_PAIR:
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new((balance_pair_t *)data) balance_pair_t(*((unsigned int *) data));
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break;
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default:
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assert(0);
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break;
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}
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break;
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case AMOUNT:
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switch (cast_type) {
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case BOOLEAN: {
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bool temp = *((amount_t *) data);
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destroy();
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*((bool *)data) = temp;
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break;
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}
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case INTEGER: {
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unsigned int temp = *((amount_t *) data);
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destroy();
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*((unsigned int *)data) = temp;
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break;
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}
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case AMOUNT:
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break;
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case BALANCE: {
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amount_t temp = *((amount_t *) data);
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destroy();
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new((balance_t *)data) balance_t(temp);
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break;
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}
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case BALANCE_PAIR: {
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amount_t temp = *((amount_t *) data);
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destroy();
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new((balance_pair_t *)data) balance_pair_t(temp);
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break;
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}
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default:
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assert(0);
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break;
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}
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break;
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case BALANCE:
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switch (cast_type) {
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case BOOLEAN: {
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bool temp = *((balance_t *) data);
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destroy();
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*((bool *)data) = temp;
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break;
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}
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case INTEGER:
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throw value_error("Cannot convert a balance to an integer");
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case AMOUNT: {
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balance_t * temp = (balance_t *) data;
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if (temp->amounts.size() == 1) {
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amount_t amt = (*temp->amounts.begin()).second;
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destroy();
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new((amount_t *)data) amount_t(amt);
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} else {
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throw value_error("Cannot convert a balance with "
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"multiple commodities to an amount");
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}
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break;
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}
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case BALANCE:
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break;
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case BALANCE_PAIR: {
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balance_t temp = *((balance_t *) data);
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destroy();
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new((balance_pair_t *)data) balance_pair_t(temp);
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break;
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}
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default:
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assert(0);
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break;
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}
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break;
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case BALANCE_PAIR:
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switch (cast_type) {
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case BOOLEAN: {
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bool temp = *((balance_pair_t *) data);
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destroy();
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*((bool *)data) = temp;
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break;
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}
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case INTEGER:
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throw value_error("Cannot convert a balance pair to an integer");
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case AMOUNT: {
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balance_t * temp = &((balance_pair_t *) data)->quantity;
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if (temp->amounts.size() == 1) {
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amount_t amt = (*temp->amounts.begin()).second;
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destroy();
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new((amount_t *)data) amount_t(amt);
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} else {
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throw value_error("Cannot convert a balance pair with "
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"multiple commodities to an amount");
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}
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break;
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}
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case BALANCE: {
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balance_t temp = ((balance_pair_t *) data)->quantity;
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destroy();
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new((balance_t *)data) balance_t(temp);
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break;
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}
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case BALANCE_PAIR:
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break;
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default:
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assert(0);
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break;
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}
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break;
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default:
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assert(0);
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break;
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}
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type = cast_type;
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}
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void value_t::negate()
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{
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switch (type) {
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case BOOLEAN:
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*((bool *) data) = ! *((bool *) data);
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break;
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case INTEGER:
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*((unsigned int *) data) = - *((unsigned int *) data);
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break;
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case AMOUNT:
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((amount_t *) data)->negate();
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break;
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case BALANCE:
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((balance_t *) data)->negate();
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break;
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case BALANCE_PAIR:
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((balance_pair_t *) data)->negate();
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break;
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default:
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assert(0);
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break;
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}
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}
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void value_t::abs()
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{
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switch (type) {
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case BOOLEAN:
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break;
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case INTEGER:
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if (*((unsigned int *) data) < 0)
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*((unsigned int *) data) = - *((unsigned int *) data);
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break;
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case AMOUNT:
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((amount_t *) data)->abs();
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break;
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case BALANCE:
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((balance_t *) data)->abs();
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break;
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case BALANCE_PAIR:
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((balance_pair_t *) data)->abs();
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break;
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default:
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assert(0);
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break;
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}
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}
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value_t value_t::cost() const
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{
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switch (type) {
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case BOOLEAN:
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case INTEGER:
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case AMOUNT:
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case BALANCE:
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return *this;
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case BALANCE_PAIR:
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assert(((balance_pair_t *) data)->cost);
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if (((balance_pair_t *) data)->cost)
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return *(((balance_pair_t *) data)->cost);
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else
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return ((balance_pair_t *) data)->quantity;
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default:
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assert(0);
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break;
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}
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assert(0);
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return value_t();
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}
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} // namespace ledger
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#ifdef USE_BOOST_PYTHON
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#include <boost/python.hpp>
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using namespace boost::python;
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using namespace ledger;
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unsigned int balance_len(balance_t& bal);
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amount_t balance_getitem(balance_t& bal, int i);
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unsigned int balance_pair_len(balance_pair_t& bal_pair);
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amount_t balance_pair_getitem(balance_pair_t& bal_pair, int i);
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unsigned int value_len(value_t& value)
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{
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switch (value.type) {
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case value_t::BOOLEAN:
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case value_t::INTEGER:
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case value_t::AMOUNT:
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return 1;
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case value_t::BALANCE:
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return balance_len(*((balance_t *) value.data));
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case value_t::BALANCE_PAIR:
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return balance_pair_len(*((balance_pair_t *) value.data));
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default:
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assert(0);
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break;
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}
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assert(0);
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return 0;
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}
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amount_t value_getitem(value_t& value, int i)
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{
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std::size_t len = value_len(value);
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if (abs(i) >= len) {
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PyErr_SetString(PyExc_IndexError, "Index out of range");
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throw_error_already_set();
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}
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switch (value.type) {
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case value_t::BOOLEAN:
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case value_t::INTEGER:
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case value_t::AMOUNT:
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return value;
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case value_t::BALANCE:
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return balance_getitem(*((balance_t *) value.data), i);
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case value_t::BALANCE_PAIR:
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return balance_pair_getitem(*((balance_pair_t *) value.data), i);
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default:
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assert(0);
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break;
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}
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assert(0);
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return 0;
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}
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void export_value()
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{
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class_< value_t > ("Value")
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.def(init<value_t>())
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.def(init<balance_pair_t>())
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.def(init<balance_t>())
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.def(init<amount_t>())
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.def(init<std::string>())
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.def(init<double>())
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.def(init<unsigned int>())
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.def(init<bool>())
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.def(self + self)
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.def(self + other<balance_pair_t>())
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.def(self + other<balance_t>())
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.def(self + other<amount_t>())
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.def(self + int())
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.def(self - self)
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.def(self - other<balance_pair_t>())
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.def(self - other<balance_t>())
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.def(self - other<amount_t>())
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.def(self - int())
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.def(self * self)
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.def(self * other<balance_pair_t>())
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.def(self * other<balance_t>())
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.def(self * other<amount_t>())
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.def(self * int())
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.def(self / self)
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.def(self / other<balance_pair_t>())
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.def(self / other<balance_t>())
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.def(self / other<amount_t>())
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.def(self / int())
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.def(other<balance_pair_t>() + self)
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.def(other<balance_t>() + self)
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.def(other<amount_t>() + self)
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.def(int() + self)
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.def(other<balance_pair_t>() - self)
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.def(other<balance_t>() - self)
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.def(other<amount_t>() - self)
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.def(int() - self)
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.def(other<balance_pair_t>() * self)
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.def(other<balance_t>() * self)
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.def(other<amount_t>() * self)
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.def(int() * self)
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.def(other<balance_pair_t>() / self)
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.def(other<balance_t>() / self)
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.def(other<amount_t>() / self)
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.def(int() / self)
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.def(- self)
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.def(self += self)
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.def(self += other<balance_pair_t>())
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.def(self += other<balance_t>())
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.def(self += other<amount_t>())
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.def(self += int())
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.def(self -= self)
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.def(self -= other<balance_pair_t>())
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.def(self -= other<balance_t>())
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.def(self -= other<amount_t>())
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.def(self -= int())
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.def(self *= self)
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.def(self *= other<balance_pair_t>())
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.def(self *= other<balance_t>())
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.def(self *= other<amount_t>())
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.def(self *= int())
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.def(self /= self)
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.def(self /= other<balance_pair_t>())
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.def(self /= other<balance_t>())
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.def(self /= other<amount_t>())
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.def(self /= int())
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.def(self < self)
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.def(self < other<balance_pair_t>())
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.def(self < other<balance_t>())
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.def(self < other<amount_t>())
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.def(self < int())
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.def(self <= self)
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.def(self <= other<balance_pair_t>())
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.def(self <= other<balance_t>())
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.def(self <= other<amount_t>())
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.def(self <= int())
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.def(self > self)
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.def(self > other<balance_pair_t>())
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.def(self > other<balance_t>())
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.def(self > other<amount_t>())
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.def(self > int())
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.def(self >= self)
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.def(self >= other<balance_pair_t>())
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.def(self >= other<balance_t>())
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.def(self >= other<amount_t>())
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.def(self >= int())
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.def(self == self)
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.def(self == other<balance_pair_t>())
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.def(self == other<balance_t>())
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.def(self == other<amount_t>())
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.def(self == int())
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.def(self != self)
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.def(self != other<balance_pair_t>())
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.def(self != other<balance_t>())
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.def(self != other<amount_t>())
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.def(self != int())
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.def(! self)
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.def(int_(self))
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.def(abs(self))
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.def(self_ns::str(self))
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.def("__len__", value_len)
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.def("__getitem__", value_getitem)
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.def("cast", &value_t::cast)
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.def("negate", &value_t::negate)
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.def("cost", &value_t::cost)
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;
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}
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#endif // USE_BOOST_PYTHON
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