round, lround, llround
From cppreference.com
| Defined in header
<math.h>
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| float roundf( float arg );
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(since C99) | |
| double round( double arg );
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(since C99) | |
| long double roundl( long double arg );
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(since C99) | |
| long lroundf( float arg );
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(since C99) | |
| long lround( double arg );
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(since C99) | |
| long lroundl( long double arg );
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(since C99) | |
| long long llroundf( float arg );
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(since C99) | |
| long long llround( double arg );
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(since C99) | |
| long long llroundl( long double arg );
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(since C99) | |
Computes nearest integer to arg. Number is rounded away from zero in halfway cases
[edit] Parameters
| arg | - | floating point value |
[edit] Return value
Nearest integer to arg.
[edit] See also
| nearest integer not greater than the given value (function) |
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| nearest integer not less than the given value (function) |
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| (C99)
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nearest integer not greater in magnitude than the given value (function) |
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C++ documentation for round
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