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Add math library definition for isfinite. From Brennan Ashton.

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Gregory Nutt
2015-01-26 13:55:49 -06:00
parent e153959eea
commit 36d5c00ec6
1 changed files with 6 additions and 5 deletions
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include/nuttx/math.h
+6 -5
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@@ -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 ************************************/