6.6.22 FLT_ROUNDS Macro
Represents the rounding mode for floating-point operations.
Include
<float.h>
Definition
The value 1
for all compilers, implying that rounding is to the nearest
representable value.
Remarks
The meaning of values for this macro as defined by the C standard are as follows.
- -1
- indeterminable
- 0
- toward zero
- 1
- to nearest representable value
- 2
- toward positive infinity
- 3
- toward negative infinity