C Math exp() Function
Example
Return e raised to the power of different numbers:
printf("%f", exp(0));
printf("%f", exp(1));
printf("%f", exp(10));
printf("%f", exp(4.8));
printf("%f", exp(2.718));
Definition and Usage
The exp() function returns the result of e raised to the power of a
number (ex).
The exp() function is defined in the <math.h> header file.
e is the base of the natural system of logarithms (approximately 2.718282). Some implementations of
the <math.h> library include a constant M_E but it is not guaranteed to be available.
Syntax
One of the following:
exp(double number);Parameter Values
| Parameter | Description |
|---|---|
| number | Required. Specifies the power to which e is raised. |
Technical Details
| Returns: | A double value representing the result of e
to the power of a number. |
|---|