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Unified Diff: fusl/src/math/__signbitf.c

Issue 1573973002: Add a "fork" of musl as //fusl. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: fusl/src/math/__signbitf.c
diff --git a/fusl/src/math/__signbitf.c b/fusl/src/math/__signbitf.c
new file mode 100644
index 0000000000000000000000000000000000000000..40ad3cfd0cbe6e4d420df2c8b3f9355bf4152cd5
--- /dev/null
+++ b/fusl/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;
+}
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