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This commit is contained in:
Kronecker
2025-07-01 18:33:49 +08:00
committed by KiriAky 107
parent 3b330a9da3
commit 67c9589446
7 changed files with 135 additions and 32 deletions
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71
ScientificCalculator/PostfixEval.cpp
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@@ -24,15 +24,25 @@ double PostfixEval::run(const std::vector<Token>& postfix, const unordered_map<s
}
else stk.push(it->second);
}
else if (token.is_ope()) {
//ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>ж<EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>
if (stk.size() < 2) throw runtime_error("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
double b = stk.top();
stk.pop();
double a = stk.top();
stk.pop();
double res = apply_BO(token.value, a, b);
stk.push(res);
else if (token.is_ope()) {
if (token.value == "!") {
if (stk.empty())
throw runtime_error("<EFBFBD>׳˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
double x = stk.top(); stk.pop();
stk.push(apply_Fac(x));
}
else {
//ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>ж<EFBFBD>Ԫ<EFBFBD><D4AA><EFBFBD><EFBFBD>
if (stk.size() < 2)
throw runtime_error("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
double b = stk.top();
stk.pop();
double a = stk.top();
stk.pop();
double res = apply_BO(token.value, a, b);
stk.push(res);
}
}
else if (token.is_fun()) {
//ȡ<><C8A1>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>һԪ<D2BB><D4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱥ<EFBFBD><C8BA><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
@@ -63,9 +73,16 @@ double PostfixEval::apply_BO(const string& op, double a, double b) {
}
if (op == "^") return pow(a, b);
if (op == "%") {
if (b == 0) throw runtime_error("ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>");
if (b == 0)
throw runtime_error("ģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>");
return std::fmod(a, b);
}
if (op == "//") {
if (b == 0)
throw runtime_error("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>");
return std::floor(a / b); // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}
throw runtime_error("δ֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" + op);
}
@@ -87,11 +104,41 @@ double PostfixEval::apply_UF(const string& func, double x) {
throw runtime_error("log<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0");
return log(x);
}
if (f == "ln") {
if(x<=0)
throw runtime_error("ln<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0");
return log(x) / log(exp(1));
}
if (f == "exp") return exp(x);
if (f == "abs") return fabs(x);
if (f == "asin") return asin(x);
if (f == "acos") return acos(x);
if (f == "asin") {
if (x < -1 || x > 1)
throw runtime_error("asin <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [-1, 1] <20><>Χ<EFBFBD><CEA7>");
return std::asin(x);
}
if (f == "acos") {
if (x < -1 || x > 1)
throw runtime_error("asin <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> [-1, 1] <20><>Χ<EFBFBD><CEA7>");
return std::acos(x);
}
if (f == "atan") return atan(x);
if (f == "floor") return std::floor(x); // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>
if (f == "ceil") return std::ceil(x); // <20><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>
if (f == "round") return std::round(x); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
throw runtime_error("δ֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" + func);
}
double PostfixEval::apply_Fac(double x) {
if (x < 0)
throw runtime_error("<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׳<EFBFBD>");
if (x != floor(x))
throw runtime_error("<EFBFBD>׳˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>");
int n = static_cast<int>(x);
double result = 1;
for (int i = 2; i <= n; ++i)
result *= i;
return result;
}