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exp functions


[Syntax]

double exp(double x)

float expf(float x)

long double expl(long double x) [V2.01.00 or later]

[Description]

These functions calculate the base-e (base of natural logarithm) exponential of x.

 

[Special case]

Condition

Return value

Exception

Underflow occurred

-

ERANGE

Overflow occurred

HUGE_VAL

ERANGE