fegetround, fesetround
From cppreference.com
| Defined in header <fenv.h>
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| int fesetround( int round ); |
(1) | (since C99) |
| int fegetround(); |
(2) | (since C99) |
1) Attempts to establish the floating-point rounding direction equal to the 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.
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