stdlib_linalg_cross_product.fypp Source File


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Source Code

#:include "common.fypp"
#:set RCI_KINDS_TYPES = REAL_KINDS_TYPES + CMPLX_KINDS_TYPES + INT_KINDS_TYPES
submodule (stdlib_linalg) stdlib_linalg_cross_product

    implicit none

contains

    #:for k1, t1 in RCI_KINDS_TYPES
    pure module function cross_product_${t1[0]}$${k1}$(a, b) result(res)
        ${t1}$, intent(in) :: a(3), b(3)
        ${t1}$ :: res(3)

        res(1) = a(2) * b(3) - a(3) * b(2)
        res(2) = a(3) * b(1) - a(1) * b(3)
        res(3) = a(1) * b(2) - a(2) * b(1)

    end function cross_product_${t1[0]}$${k1}$
    #:endfor

end submodule