diff options
| -rw-r--r-- | nuttx/include/nuttx/math.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/nuttx/include/nuttx/math.h b/nuttx/include/nuttx/math.h index 35369ba53..11b289ed5 100644 --- a/nuttx/include/nuttx/math.h +++ b/nuttx/include/nuttx/math.h @@ -89,12 +89,13 @@ /* General Constants ********************************************************/ -#define INFINITY (1.0/0.0) -#define NAN (0.0/0.0) -#define HUGE_VAL INFINITY +#define INFINITY (1.0/0.0) +#define NAN (0.0/0.0) +#define HUGE_VAL INFINITY -#define isnan(x) ((x) != (x)) -#define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY)) +#define isnan(x) ((x) != (x)) +#define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY)) +#define isfinite(x) (!(isinf(x)) && (x != NAN)) /* Exponential and Logarithmic constants ************************************/ |