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author | Gregory Nutt <gnutt@nuttx.org> | 2015-01-26 18:52:28 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2015-01-26 18:52:28 -0600 |
commit | bacbb4255c9408e3ce669563f2fb1d4067947c1a (patch) | |
tree | e6f2493bbab4117b96e5ad8ee8c86a14e9a05610 /nuttx/include | |
parent | 69283d36b665ba41085021eb36066bfa074c6884 (diff) | |
download | px4-nuttx-bacbb4255c9408e3ce669563f2fb1d4067947c1a.tar.gz px4-nuttx-bacbb4255c9408e3ce669563f2fb1d4067947c1a.tar.bz2 px4-nuttx-bacbb4255c9408e3ce669563f2fb1d4067947c1a.zip |
Add math library support for copysign. From Brennan Ashton
Diffstat (limited to 'nuttx/include')
-rw-r--r-- | nuttx/include/nuttx/math.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/math.h b/nuttx/include/nuttx/math.h index 281b87ed5..b2ddcc4bb 100644 --- a/nuttx/include/nuttx/math.h +++ b/nuttx/include/nuttx/math.h @@ -369,6 +369,14 @@ long double erfl (long double x); #define erfcl(x) (1 - erfl(x)) #endif +float copysignf (float x, float y); +#if CONFIG_HAVE_DOUBLE +double copysign (double x, double y); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double copysignl (long double x, long double y); +#endif + #if defined(__cplusplus) } #endif |