merge sources into single tree

1 files changed, 33 insertions, 0 deletions

diff --git a/src/fenv/fetestexcept.c b/src/fenv/fetestexcept.c
new file mode 100644
index 00000000..185fc530
--- /dev/null
+++ b/src/fenv/fetestexcept.c
@@ -0,0 +1,33 @@
+#include <fenv.h>
+
+int fetestexcept(int excepts)
+{
+	return excepts;
+}
+
+/*d
+The fetestexcept function determines which of a specified subset of the floating-
+point exception flags are currently set. The excepts argument specifies the floating-
+point status flags to be queried. 179)
+d*/
+
+/*r
+The fetestexcept function returns the value of the bitwise OR of the floating-point
+exception macros corresponding to the currently set floating-point exceptions included in
+excepts.
+r*/
+
+/* example
+	#pragma STDC FENV_ACCESS ON
+	int set_excepts;
+	feclearexcept(FE_INVALID | FE_OVERFLOW);
+	// maybe raise exceptions
+	set_excepts = fetestexcept(FE_INVALID | FE_OVERFLOW);
+	if (set_excepts & FE_INVALID) f();
+	if (set_excepts & FE_OVERFLOW) g();
+*/
+
+/*
+STDC(199901)
+LINK(m)
+*/