static inline unsigned int constant_time_is_zero(unsigned int a)
	{
	return constant_time_msb(~a & (a - 1));
	}
['static inline unsigned int constant_time_eq(unsigned int a, unsigned int b)\n\t{\n\treturn constant_time_is_zero(a ^ b);\n\t}', 'static inline unsigned int constant_time_is_zero(unsigned int a)\n\t{\n\treturn constant_time_msb(~a & (a - 1));\n\t}']