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fegetround, fesetround

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< c‎ | numeric‎ | fenv
Revision as of 20:19, 2 November 2012 by P12bot (Talk | contribs)

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Defined in header <<fenv.h>>
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int fesetround( int round );
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<td > (1) </td> <td > (since C99) </td> </tr> <tr class="t-dcl ">

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int fegetround();
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<td > (2) </td> <td > (since C++11) </td> </tr> Template:ddcl list end

1) Attempts to establish the floating-point rounding direction equal to the argument argument round, which is expected to be one of the floating point rounding macros.

2) Returns the value of the floating point rounding macro that corresponds to the current rounding direction.

Contents

Parameters

round - rounding direction, one of floating point rounding macros

Return value

1) 0 on success, non-zero otherwise.

2) the floating point rounding macro describing the current rounding direction or a negative value if the direction cannot be determined

Example

See also

Template:c/numeric/math/dcl list nearbyintTemplate:c/numeric/math/dcl list rint
C++ documentation for fegetround, fesetround