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Defined in header <math.h>
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float       truncf( float arg );
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double      trunc( double arg );
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<td >
long double truncl( long double arg );
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<td class="t-dcl-nopad"> </td> <td > (since C99) </td> </tr> Template:ddcl list end

Computes nearest integer not greater in magnitude than arg.

Contents

Parameters

arg - floating point value

Return value

Nearest integer not greater in magnitude than arg.

Notes

The integer value can be always represented by the given floating point type.

See also

Template:c/numeric/math/dcl list floorTemplate:c/numeric/math/dcl list ceilTemplate:c/numeric/math/dcl list round