Defined in header <float.h> | ||
|---|---|---|
#define FLT_ROUNDS /* implementation defined */ | (since C99) |
Returns the current rounding direction of floating-point arithmetic operations.
| Value | Explanation |
|---|---|
-1 | the default rounding direction is not known |
0 | toward zero, FE_TOWARDZERO |
1 | to nearest, FE_TONEAREST |
2 | towards positive infinity, FE_UPWARD |
3 | towards negative infinity, FE_DOWNWARD |
| other values | implementation-defined behavior |
The rounding mode can be changed with fesetround and FLT_ROUNDS reflects that change.
|
(C99)(C99) | gets or sets rounding direction (function) |
C++ documentation for FLT_ROUNDS |
|
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/c/types/limits/FLT_ROUNDS