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| 5.19.6.math library functions: log10, fabs, ceil, floor |
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#include <iostream>
using std::cout;
using std::endl;
using std::fixed;
#include <iomanip>
using std::setprecision;
#include <cmath>
using namespace std;
int main()
{
cout << fixed << setprecision( 1 );
cout << "\nlog10(" << 1.0 << ") = " << log10( 1.0 )<< "\nlog10(" << 10.0 <<) = " << log10( 10.0 )
<< "\nlog10(" << 100.0 << ") = " << log10( 100.0 ) ;
cout << "\nfabs(" << 13.5 << ") = " << fabs( 13.5 )<< "\nfabs(" << 0.0 << ") = " << fabs( 0.0 )
<< "\nfabs(" << -13.5 << ") = " << fabs( -13.5 );
cout << "\nceil(" << 9.2 << ") = " << ceil( 9.2 )<< "\nceil(" << -9.8 << ")= " << ceil( -9.8 );
cout << "\nfloor(" << 9.2 << ") = " << floor( 9.2 )<< "\nfloor(" << -9.8 <<) = " << floor( -9.8 );
return 0;
}
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log10(1.0) = 0.0
log10(10.0) = 1.0
log10(100.0) = 2.0
fabs(13.5) = 13.5
fabs(0.0) = 0.0
fabs(-13.5) = 13.5
ceil(9.2) = 10.0
ceil(-9.8) = -9.0
floor(9.2) = 9.0
floor(-9.8) = -10.0 |
| 5.19.Math | | 5.19.1. | Use the abs() function | | | | 5.19.2. | Create Random number | | | | 5.19.3. | Use math function: sqrt, pow, log | | | | 5.19.4. | Use math function: cos, sin, tan | | | | 5.19.5. | Raise x to the y power | | | | 5.19.6. | math library functions: log10, fabs, ceil, floor | | | | 5.19.7. | math library functions: pow, fmod, sin, cos, tan | | |
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