fenv Rounding Direction Macros

Attention: These macros are implemented only by MPLAB XC32 C compilers.

The following macros relate to the rounding direction of floating-point values that cannot be exactly represented in the significand.

Table 1. Floating-point rounding direction macros
Macro	Description
`FE_DOWNWARD`	Round down, towards negative infinity.
`FE_TONEAREST`	Round to the nearest value.
`FE_TOWARDZERO`	Round towards zero.
`FE_UPWARD`	Round up, towards positive infinity.