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Common mathematical functions
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exp
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Power functions
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Trigonometric and hyperbolic functions
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Floating point manipulation functions
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Classification
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Macro constants
 

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Defined in header <math.h>
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float       expf( float arg );
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<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> <tr class="t-dcl ">

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double      exp( double arg );
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long double expl( long double arg );
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<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> Template:ddcl list end

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

Parameters

arg - floating point value

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.

See also

Template:c/numeric/math/dcl list logTemplate:c/numeric/math/dcl list pow