* include/bits/valarray_meta.h (__unary_plus, __negate,
	__bitwise_not, __plus, __minus, __multiplies, __divides,
	__modulus, __bitwise_xor, __bitwise_or, __bitwise_and,
	__shift_left, __shift_right, __logical_and, __logical_or,
	__logical_not, __equal_to, __not_equal_to, __less, __less_equal,
	__greater_equal, __greater, __atan2, __pow): New function object
	classes.
	(__fun<>):  New function traits class.

From-SVN: r55985