+/// \brief Returns the absolute value of the argument.
+inline APFloat abs(APFloat X) {
+ X.clearSign();
+ return X;
+}
+
+/// Implements IEEE minNum semantics. Returns the smaller of the 2 arguments if
+/// both are not NaN. If either argument is a NaN, returns the other argument.
+LLVM_READONLY
+inline APFloat minnum(const APFloat &A, const APFloat &B) {
+ if (A.isNaN())
+ return B;
+ if (B.isNaN())
+ return A;
+ return (B.compare(A) == APFloat::cmpLessThan) ? B : A;
+}
+
+/// Implements IEEE maxNum semantics. Returns the larger of the 2 arguments if
+/// both are not NaN. If either argument is a NaN, returns the other argument.
+LLVM_READONLY
+inline APFloat maxnum(const APFloat &A, const APFloat &B) {
+ if (A.isNaN())
+ return B;
+ if (B.isNaN())
+ return A;
+ return (A.compare(B) == APFloat::cmpLessThan) ? B : A;
+}
+