#define FLT_ROUNDS /* implementation defined */
Returns the current rounding direction of floating-point arithmetic operations.
Value Explanation-1
the default rounding direction is not known 0
toward zero; same meaning as FE_TOWARDZERO 1
to nearest; same meaning as FE_TONEAREST 2
towards positive infinity; same meaning as FE_UPWARD 3
towards negative infinity; same meaning as FE_DOWNWARD other values implementation-defined behavior [edit] Notes
The rounding mode can be changed with fesetround and FLT_ROUNDS reflects that change.
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