From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001 From: Vladimir Azarov Date: Tue, 1 Oct 2024 15:47:05 +0200 Subject: Initial version --- src/math/__signbitf.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 src/math/__signbitf.c (limited to 'src/math/__signbitf.c') diff --git a/src/math/__signbitf.c b/src/math/__signbitf.c new file mode 100644 index 0000000..40ad3cf --- /dev/null +++ b/src/math/__signbitf.c @@ -0,0 +1,11 @@ +#include "libm.h" + +// FIXME: macro in math.h +int __signbitf(float x) +{ + union { + float f; + uint32_t i; + } y = { x }; + return y.i>>31; +} -- cgit v1.2.3