Predefined functions
You need to have the #include <math> directive at the top of your
program to use these. All parameters and return values are of type
double.
| Function | Description |
sqrt(x) |
square root |
sin(x) |
trigonometric sine of x (in radians) |
cos(x) |
trigonometric cosine of x (in radians) |
tan(x) |
trigonometric tangent of x (in radians) |
exp(x) |
exponential function |
log(x) |
natural logarithm of x (base e) |
log10(x) |
logarithm of x to base 10 |
fabs(x) |
absolute value (unsigned) |
rint(x) |
round x to nearest integer |
pow(x,y) |
x raised to power y |