std::exp

From Cppreference

Jump to: navigation, search
Defined in header <cmath>

float       exp( float arg );

double      exp( double arg );

long double exp( long double arg );

Computes the e (Euler's number, 2.7182818) raised to the given power arg

[edit] Parameters

arg - floating point value

[edit] Return value

e raised to the power arg

If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.

[edit] See also

log
computes natural (base e) logarithm (to base e) (ln(x))
(function)
pow
raises a number to the given power (xy)
(function)