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#define _PREP_AOP_ { if (args.size() < 2) return i + 1; arg2 = args.top(); args.pop(); arg1 = args.top(); args.pop(); } | |
#define _CHECK_ADD_RES_ { if (args.top() - arg2 != arg1) return i + 1; } | |
#define _CHECK_SUB_RES_ { if (args.top() + arg2 != arg1) return i + 1; } | |
#define _CHECK_MUL_ARG_ { if (arg2 != 0 && arg1 > LONG_MAX / arg2) return i + 1; } | |
#define _CHECK_DIV_ARG_ { if (arg2 == 0 || (arg1 == LONG_MIN && arg2 == -1)) return i + 1; } | |
int RPN(char *str, int rdx, long &res) | |
{ | |
if (str == NULL || str[0] == NULL) | |
return false; |