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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
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@@ -95,6 +95,7 @@
#define isnan(x) ((x) != (x)) #define isnan(x) ((x) != (x))
#define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY)) #define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY))
#define isfinite(x) (!(isinf(x)) && (x != NAN))
/* Exponential and Logarithmic constants ************************************/ /* Exponential and Logarithmic constants ************************************/