Remove the ARM__ symbol prefix

Use standard math symbols so it's easy to override libm functions.

The arm_math.h header is no longer necessary, user code can just use
math.h, but keep a header for freestanding code.

1 files changed, 1 insertions, 1 deletions

diff --git a/math/expf.c b/math/expf.c
index 6b81310..90fd3b7 100644
--- a/math/expf.c
+++ b/math/expf.c
@@ -47,7 +47,7 @@ top12 (float x)
 }
 
 float
-ARM__expf (float x)
+expf (float x)
 {
   uint32_t abstop;
   uint64_t ki, t;