ratio_add_fail
..\libs\ratio\test\ratio_arithmetic\ratio_add_fail.cpp(19) : warning C4346: 'std::ratio_add<_R1,_R2>::type' : dependent name is not a type
ratio_divide_fail
..\libs\ratio\test\ratio_arithmetic\ratio_divide_fail.cpp(21) : warning C4346: 'std::ratio_divide<_R1,_R2>::type' : dependent name is not a type
ratio_multiply_fail
..\libs\ratio\test\ratio_arithmetic\ratio_multiply_fail.cpp(21) : warning C4346: 'std::ratio_multiply<_R1,_R2>::type' : dependent name is not a type
ratio_subtract_fail
..\libs\ratio\test\ratio_arithmetic\ratio_subtract_fail.cpp(21) : warning C4346: 'std::ratio_subtract<_R1,_R2>::type' : dependent name is not a type