Re: help with ceil function
yansong1990@yahoo.com wrote:
As for the sqrt...
#include <iostream>
#include <math.h>
#include <cstdlib>
using namespace std;
int main()
{
int number, test;
float squareroot;
cout<<"Input number: ";
cin>>number;
test = 2;
squareroot = sqrt(number);
I will get this error-
1>.\assg3q6.cpp(20) : error C2668: 'sqrt' : ambiguous call to
overloaded function
1> C:\Program Files\Microsoft Visual Studio 8\VC\include
\math.h(581): could be 'long double sqrt(long double)'
1> C:\Program Files\Microsoft Visual Studio 8\VC\include
\math.h(533): or 'float sqrt(float)'
1> C:\Program Files\Microsoft Visual Studio 8\VC\include
\math.h(128): or 'double sqrt(double)'
That's because you're giving an int as parameter to sqrt. Since there are
only the overloads that the compiler is talking about, the value must be
converted, but all three conversions are equally well, so the compiler
can't decide which one to use. You have to cast the value to the type you
want.
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