public IActionResult get(string formula = "", double from = Double.NaN, double to = Double.NaN, int n = 0)
{
try{
if (string.IsNullOrEmpty(formula))
{
throw new rpnException("formula empty");
}
if (Double.IsNaN(from))
{
throw new rpnException("from parameter missing");
}
if (Double.IsNaN(to))
{
throw new rpnException("to parameter missing");
}
if (n == 1)
{
throw new rpnException("range calculation not needed, use single calculate pls");
}
if (n < 2)
{
throw new rpnException("n parameter missing or <2");
}
rpn r = new rpn(formula);
List <string> infixTokens = r.getInfixTokens();
bool gotX = infixTokens.Contains("x");
if (!gotX)
{
throw new rpnException("range calculation not needed, no x provided in formula");
}
double[,] results = r.evaluateForRange(from, to, n);
List <dynamic> resultObjects = new List <dynamic>();
for (int i = 0; i < results.GetLength(1); i++)
{
resultObjects.Add(new{
x = results[0, i],
y = results[1, i]
});
}
var data = new{
status = "ok",
result = resultObjects.ToArray()
};
return(Ok(data));
}catch (rpnException e) {
var data = new{
status = "error",
message = e.Message
};
return(BadRequest(data));
}catch (Exception) {
var data = new{
status = "error",
message = "Unknown error"
};
return(StatusCode(500, data));
}
}
public IActionResult get(string formula = "", double x = Double.NaN)
{
try{
if (string.IsNullOrEmpty(formula))
{
throw new rpnException("formula empty");
}
rpn r = new rpn(formula);
List <string> infixTokens = r.getInfixTokens();
bool gotX = infixTokens.Contains("x");
if (gotX && Double.IsNaN(x))
{
throw new rpnException("specify x value");
}
else if (!gotX)
{
x = 0;
}
var data = new{
status = "ok",
result = r.evaluateForX(x)
};
return(Ok(data));
}catch (rpnException e) {
var data = new{
status = "error",
message = e.Message
};
return(BadRequest(data));
}catch (Exception) {
var data = new{
status = "error",
message = "Unknown error"
};
return(StatusCode(500, data));
}
}
public IActionResult get(string formula = "")
{
try{
if (formula == "coffee")
{
var cData = new{
status = "I'm a teapot"
};
return(StatusCode(418, cData));
}
if (string.IsNullOrEmpty(formula))
{
throw new rpnException("formula empty");
}
rpn r = new rpn(formula);
var data = new{
status = "ok",
result = new{
infix = r.getInfixTokens().ToArray(),
rpn = r.getPostfixTokens().ToArray()
}
};
return(Ok(data));
}catch (rpnException e) {
var data = new{
status = "error",
message = e.Message
};
return(BadRequest(data));
}catch (Exception) {
var data = new{
status = "error",
message = "unknown error"
};
return(StatusCode(500, data));
}
}
