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Diffstat (limited to 'lib/mlibc/options/ansi/musl-generic-math/fabsf.c')
-rw-r--r--lib/mlibc/options/ansi/musl-generic-math/fabsf.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/mlibc/options/ansi/musl-generic-math/fabsf.c b/lib/mlibc/options/ansi/musl-generic-math/fabsf.c
new file mode 100644
index 0000000..4efc8d6
--- /dev/null
+++ b/lib/mlibc/options/ansi/musl-generic-math/fabsf.c
@@ -0,0 +1,9 @@
+#include <math.h>
+#include <stdint.h>
+
+float fabsf(float x)
+{
+ union {float f; uint32_t i;} u = {x};
+ u.i &= 0x7fffffff;
+ return u.f;
+}