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-rw-r--r--src/fenv/feupdateenv.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/fenv/feupdateenv.c b/src/fenv/feupdateenv.c
new file mode 100644
index 00000000..50cef8e5
--- /dev/null
+++ b/src/fenv/feupdateenv.c
@@ -0,0 +1,9 @@
+#include <fenv.h>
+
+int feupdateenv(const fenv_t *envp)
+{
+	int ex = fetestexcept(FE_ALL_EXCEPT);
+	fesetenv(envp);
+	feraiseexcept(ex);
+	return 0;
+}