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Changed to const references and added warning

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sam-astro 2022-01-05 10:45:29 -05:00 committed by GitHub
parent 4d820e24aa
commit 20415f4ca2
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1 changed files with 6 additions and 4 deletions
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10
Slang/eval.cpp
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@ -9,7 +9,7 @@
#include "strops.h" #include "strops.h"
using namespace std; using namespace std;
float precedence(char op) { float precedence(const char& op) {
if (op == '+' || op == '-') if (op == '+' || op == '-')
return 1; return 1;
if (op == '*' || op == '/') if (op == '*' || op == '/')
@ -19,20 +19,22 @@ float precedence(char op) {
return 0; return 0;
} }
float applyOp(float a, float b, char op) { float applyOp(const float& a, const float& b, const char& op) {
switch (op) { switch (op) {
case '+': return a + b; case '+': return a + b;
case '-': return a - b; case '-': return a - b;
case '*': return a * b; case '*': return a * b;
case '/': return a / b; case '/': return a / b;
case '^': return pow(a, b); case '^': return pow(a, b);
default: LogWarning("operator \'" << op << "\' does not exist");
} }
return 0;
} }
// Function that returns value of // Function that returns value of
// expression after evaluation. // expression after evaluation.
float evaluate(string tokens) { float evaluate(const string& t) {
tokens = replace(tokens, " ", ""); tokens = replace(t, " ", "");
float i; float i;