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));
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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 |
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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. |
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