These functions get and set the rounding mode for the floating point operations.
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The rounding mode to set. It should be one of
The rounding mode determines how the result of floating-point operations is treated when the result cannot be exactly represented in the significand. Various rounding modes are provided: round to nearest (the default), round up (towards positive infinity), round down (towards negative infinity), and round towards zero.
fesetround(rounding.mode) sets the rounding mode and returns
it was successfull,
fegetround() returns the current rounding mode.
Gianluca Amato email@example.com
The fenv.3 Linux manpage maintainers
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