简单叉乘 2, @tocheck \( \omega \cdot r \)
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=rk), | intent(in) | :: | a | |||
| real(kind=rk), | intent(in), | dimension(2) | :: | b |
pure function cross_product_local2(a, b) result(c)
real(rk), intent(in) :: a
real(rk), intent(in), dimension(2) :: b
real(rk), dimension(2) :: c
c(1) = -a*b(2)
c(2) = a*b(1)
end function cross_product_local2