c--------------------------------------------------------------------- c--------------------------------------------------------------------- subroutine matvec_sub(ablock,avec,bvec) c--------------------------------------------------------------------- c--------------------------------------------------------------------- c--------------------------------------------------------------------- c subtracts bvec=bvec - ablock*avec c--------------------------------------------------------------------- implicit none double precision ablock,avec,bvec dimension ablock(5,5),avec(5),bvec(5) c--------------------------------------------------------------------- c rhs(i,ic,jc,kc,ccell) = rhs(i,ic,jc,kc,ccell) c $ - lhs(i,1,ablock,ia,ja,ka,acell)* c--------------------------------------------------------------------- bvec(1) = bvec(1) - ablock(1,1)*avec(1) > - ablock(1,2)*avec(2) > - ablock(1,3)*avec(3) > - ablock(1,4)*avec(4) > - ablock(1,5)*avec(5) bvec(2) = bvec(2) - ablock(2,1)*avec(1) > - ablock(2,2)*avec(2) > - ablock(2,3)*avec(3) > - ablock(2,4)*avec(4) > - ablock(2,5)*avec(5) bvec(3) = bvec(3) - ablock(3,1)*avec(1) > - ablock(3,2)*avec(2) > - ablock(3,3)*avec(3) > - ablock(3,4)*avec(4) > - ablock(3,5)*avec(5) bvec(4) = bvec(4) - ablock(4,1)*avec(1) > - ablock(4,2)*avec(2) > - ablock(4,3)*avec(3) > - ablock(4,4)*avec(4) > - ablock(4,5)*avec(5) bvec(5) = bvec(5) - ablock(5,1)*avec(1) > - ablock(5,2)*avec(2) > - ablock(5,3)*avec(3) > - ablock(5,4)*avec(4) > - ablock(5,5)*avec(5) return end c--------------------------------------------------------------------- c--------------------------------------------------------------------- subroutine matmul_sub(ablock, bblock, cblock) c--------------------------------------------------------------------- c--------------------------------------------------------------------- c--------------------------------------------------------------------- c subtracts a(i,j,k) X b(i,j,k) from c(i,j,k) c--------------------------------------------------------------------- implicit none double precision ablock, bblock, cblock dimension ablock(5,5), bblock(5,5), cblock(5,5) cblock(1,1) = cblock(1,1) - ablock(1,1)*bblock(1,1) > - ablock(1,2)*bblock(2,1) > - ablock(1,3)*bblock(3,1) > - ablock(1,4)*bblock(4,1) > - ablock(1,5)*bblock(5,1) cblock(2,1) = cblock(2,1) - ablock(2,1)*bblock(1,1) > - ablock(2,2)*bblock(2,1) > - ablock(2,3)*bblock(3,1) > - ablock(2,4)*bblock(4,1) > - ablock(2,5)*bblock(5,1) cblock(3,1) = cblock(3,1) - ablock(3,1)*bblock(1,1) > - ablock(3,2)*bblock(2,1) > - ablock(3,3)*bblock(3,1) > - ablock(3,4)*bblock(4,1) > - ablock(3,5)*bblock(5,1) cblock(4,1) = cblock(4,1) - ablock(4,1)*bblock(1,1) > - ablock(4,2)*bblock(2,1) > - ablock(4,3)*bblock(3,1) > - ablock(4,4)*bblock(4,1) > - ablock(4,5)*bblock(5,1) cblock(5,1) = cblock(5,1) - ablock(5,1)*bblock(1,1) > - ablock(5,2)*bblock(2,1) > - ablock(5,3)*bblock(3,1) > - ablock(5,4)*bblock(4,1) > - ablock(5,5)*bblock(5,1) cblock(1,2) = cblock(1,2) - ablock(1,1)*bblock(1,2) > - ablock(1,2)*bblock(2,2) > - ablock(1,3)*bblock(3,2) > - ablock(1,4)*bblock(4,2) > - ablock(1,5)*bblock(5,2) cblock(2,2) = cblock(2,2) - ablock(2,1)*bblock(1,2) > - ablock(2,2)*bblock(2,2) > - ablock(2,3)*bblock(3,2) > - ablock(2,4)*bblock(4,2) > - ablock(2,5)*bblock(5,2) cblock(3,2) = cblock(3,2) - ablock(3,1)*bblock(1,2) > - ablock(3,2)*bblock(2,2) > - ablock(3,3)*bblock(3,2) > - ablock(3,4)*bblock(4,2) > - ablock(3,5)*bblock(5,2) cblock(4,2) = cblock(4,2) - ablock(4,1)*bblock(1,2) > - ablock(4,2)*bblock(2,2) > - ablock(4,3)*bblock(3,2) > - ablock(4,4)*bblock(4,2) > - ablock(4,5)*bblock(5,2) cblock(5,2) = cblock(5,2) - ablock(5,1)*bblock(1,2) > - ablock(5,2)*bblock(2,2) > - ablock(5,3)*bblock(3,2) > - ablock(5,4)*bblock(4,2) > - ablock(5,5)*bblock(5,2) cblock(1,3) = cblock(1,3) - ablock(1,1)*bblock(1,3) > - ablock(1,2)*bblock(2,3) > - ablock(1,3)*bblock(3,3) > - ablock(1,4)*bblock(4,3) > - ablock(1,5)*bblock(5,3) cblock(2,3) = cblock(2,3) - ablock(2,1)*bblock(1,3) > - ablock(2,2)*bblock(2,3) > - ablock(2,3)*bblock(3,3) > - ablock(2,4)*bblock(4,3) > - ablock(2,5)*bblock(5,3) cblock(3,3) = cblock(3,3) - ablock(3,1)*bblock(1,3) > - ablock(3,2)*bblock(2,3) > - ablock(3,3)*bblock(3,3) > - ablock(3,4)*bblock(4,3) > - ablock(3,5)*bblock(5,3) cblock(4,3) = cblock(4,3) - ablock(4,1)*bblock(1,3) > - ablock(4,2)*bblock(2,3) > - ablock(4,3)*bblock(3,3) > - ablock(4,4)*bblock(4,3) > - ablock(4,5)*bblock(5,3) cblock(5,3) = cblock(5,3) - ablock(5,1)*bblock(1,3) > - ablock(5,2)*bblock(2,3) > - ablock(5,3)*bblock(3,3) > - ablock(5,4)*bblock(4,3) > - ablock(5,5)*bblock(5,3) cblock(1,4) = cblock(1,4) - ablock(1,1)*bblock(1,4) > - ablock(1,2)*bblock(2,4) > - ablock(1,3)*bblock(3,4) > - ablock(1,4)*bblock(4,4) > - ablock(1,5)*bblock(5,4) cblock(2,4) = cblock(2,4) - ablock(2,1)*bblock(1,4) > - ablock(2,2)*bblock(2,4) > - ablock(2,3)*bblock(3,4) > - ablock(2,4)*bblock(4,4) > - ablock(2,5)*bblock(5,4) cblock(3,4) = cblock(3,4) - ablock(3,1)*bblock(1,4) > - ablock(3,2)*bblock(2,4) > - ablock(3,3)*bblock(3,4) > - ablock(3,4)*bblock(4,4) > - ablock(3,5)*bblock(5,4) cblock(4,4) = cblock(4,4) - ablock(4,1)*bblock(1,4) > - ablock(4,2)*bblock(2,4) > - ablock(4,3)*bblock(3,4) > - ablock(4,4)*bblock(4,4) > - ablock(4,5)*bblock(5,4) cblock(5,4) = cblock(5,4) - ablock(5,1)*bblock(1,4) > - ablock(5,2)*bblock(2,4) > - ablock(5,3)*bblock(3,4) > - ablock(5,4)*bblock(4,4) > - ablock(5,5)*bblock(5,4) cblock(1,5) = cblock(1,5) - ablock(1,1)*bblock(1,5) > - ablock(1,2)*bblock(2,5) > - ablock(1,3)*bblock(3,5) > - ablock(1,4)*bblock(4,5) > - ablock(1,5)*bblock(5,5) cblock(2,5) = cblock(2,5) - ablock(2,1)*bblock(1,5) > - ablock(2,2)*bblock(2,5) > - ablock(2,3)*bblock(3,5) > - ablock(2,4)*bblock(4,5) > - ablock(2,5)*bblock(5,5) cblock(3,5) = cblock(3,5) - ablock(3,1)*bblock(1,5) > - ablock(3,2)*bblock(2,5) > - ablock(3,3)*bblock(3,5) > - ablock(3,4)*bblock(4,5) > - ablock(3,5)*bblock(5,5) cblock(4,5) = cblock(4,5) - ablock(4,1)*bblock(1,5) > - ablock(4,2)*bblock(2,5) > - ablock(4,3)*bblock(3,5) > - ablock(4,4)*bblock(4,5) > - ablock(4,5)*bblock(5,5) cblock(5,5) = cblock(5,5) - ablock(5,1)*bblock(1,5) > - ablock(5,2)*bblock(2,5) > - ablock(5,3)*bblock(3,5) > - ablock(5,4)*bblock(4,5) > - ablock(5,5)*bblock(5,5) return end c--------------------------------------------------------------------- c--------------------------------------------------------------------- subroutine binvcrhs( lhs,c,r ) c--------------------------------------------------------------------- c--------------------------------------------------------------------- c--------------------------------------------------------------------- c c--------------------------------------------------------------------- implicit none double precision pivot, coeff, lhs dimension lhs(5,5) double precision c(5,5), r(5) c--------------------------------------------------------------------- c c--------------------------------------------------------------------- pivot = 1.00d0/lhs(1,1) lhs(1,2) = lhs(1,2)*pivot lhs(1,3) = lhs(1,3)*pivot lhs(1,4) = lhs(1,4)*pivot lhs(1,5) = lhs(1,5)*pivot c(1,1) = c(1,1)*pivot c(1,2) = c(1,2)*pivot c(1,3) = c(1,3)*pivot c(1,4) = c(1,4)*pivot c(1,5) = c(1,5)*pivot r(1) = r(1) *pivot coeff = lhs(2,1) lhs(2,2)= lhs(2,2) - coeff*lhs(1,2) lhs(2,3)= lhs(2,3) - coeff*lhs(1,3) lhs(2,4)= lhs(2,4) - coeff*lhs(1,4) lhs(2,5)= lhs(2,5) - coeff*lhs(1,5) c(2,1) = c(2,1) - coeff*c(1,1) c(2,2) = c(2,2) - coeff*c(1,2) c(2,3) = c(2,3) - coeff*c(1,3) c(2,4) = c(2,4) - coeff*c(1,4) c(2,5) = c(2,5) - coeff*c(1,5) r(2) = r(2) - coeff*r(1) coeff = lhs(3,1) lhs(3,2)= lhs(3,2) - coeff*lhs(1,2) lhs(3,3)= lhs(3,3) - coeff*lhs(1,3) lhs(3,4)= lhs(3,4) - coeff*lhs(1,4) lhs(3,5)= lhs(3,5) - coeff*lhs(1,5) c(3,1) = c(3,1) - coeff*c(1,1) c(3,2) = c(3,2) - coeff*c(1,2) c(3,3) = c(3,3) - coeff*c(1,3) c(3,4) = c(3,4) - coeff*c(1,4) c(3,5) = c(3,5) - coeff*c(1,5) r(3) = r(3) - coeff*r(1) coeff = lhs(4,1) lhs(4,2)= lhs(4,2) - coeff*lhs(1,2) lhs(4,3)= lhs(4,3) - coeff*lhs(1,3) lhs(4,4)= lhs(4,4) - coeff*lhs(1,4) lhs(4,5)= lhs(4,5) - coeff*lhs(1,5) c(4,1) = c(4,1) - coeff*c(1,1) c(4,2) = c(4,2) - coeff*c(1,2) c(4,3) = c(4,3) - coeff*c(1,3) c(4,4) = c(4,4) - coeff*c(1,4) c(4,5) = c(4,5) - coeff*c(1,5) r(4) = r(4) - coeff*r(1) coeff = lhs(5,1) lhs(5,2)= lhs(5,2) - coeff*lhs(1,2) lhs(5,3)= lhs(5,3) - coeff*lhs(1,3) lhs(5,4)= lhs(5,4) - coeff*lhs(1,4) lhs(5,5)= lhs(5,5) - coeff*lhs(1,5) c(5,1) = c(5,1) - coeff*c(1,1) c(5,2) = c(5,2) - coeff*c(1,2) c(5,3) = c(5,3) - coeff*c(1,3) c(5,4) = c(5,4) - coeff*c(1,4) c(5,5) = c(5,5) - coeff*c(1,5) r(5) = r(5) - coeff*r(1) pivot = 1.00d0/lhs(2,2) lhs(2,3) = lhs(2,3)*pivot lhs(2,4) = lhs(2,4)*pivot lhs(2,5) = lhs(2,5)*pivot c(2,1) = c(2,1)*pivot c(2,2) = c(2,2)*pivot c(2,3) = c(2,3)*pivot c(2,4) = c(2,4)*pivot c(2,5) = c(2,5)*pivot r(2) = r(2) *pivot coeff = lhs(1,2) lhs(1,3)= lhs(1,3) - coeff*lhs(2,3) lhs(1,4)= lhs(1,4) - coeff*lhs(2,4) lhs(1,5)= lhs(1,5) - coeff*lhs(2,5) c(1,1) = c(1,1) - coeff*c(2,1) c(1,2) = c(1,2) - coeff*c(2,2) c(1,3) = c(1,3) - coeff*c(2,3) c(1,4) = c(1,4) - coeff*c(2,4) c(1,5) = c(1,5) - coeff*c(2,5) r(1) = r(1) - coeff*r(2) coeff = lhs(3,2) lhs(3,3)= lhs(3,3) - coeff*lhs(2,3) lhs(3,4)= lhs(3,4) - coeff*lhs(2,4) lhs(3,5)= lhs(3,5) - coeff*lhs(2,5) c(3,1) = c(3,1) - coeff*c(2,1) c(3,2) = c(3,2) - coeff*c(2,2) c(3,3) = c(3,3) - coeff*c(2,3) c(3,4) = c(3,4) - coeff*c(2,4) c(3,5) = c(3,5) - coeff*c(2,5) r(3) = r(3) - coeff*r(2) coeff = lhs(4,2) lhs(4,3)= lhs(4,3) - coeff*lhs(2,3) lhs(4,4)= lhs(4,4) - coeff*lhs(2,4) lhs(4,5)= lhs(4,5) - coeff*lhs(2,5) c(4,1) = c(4,1) - coeff*c(2,1) c(4,2) = c(4,2) - coeff*c(2,2) c(4,3) = c(4,3) - coeff*c(2,3) c(4,4) = c(4,4) - coeff*c(2,4) c(4,5) = c(4,5) - coeff*c(2,5) r(4) = r(4) - coeff*r(2) coeff = lhs(5,2) lhs(5,3)= lhs(5,3) - coeff*lhs(2,3) lhs(5,4)= lhs(5,4) - coeff*lhs(2,4) lhs(5,5)= lhs(5,5) - coeff*lhs(2,5) c(5,1) = c(5,1) - coeff*c(2,1) c(5,2) = c(5,2) - coeff*c(2,2) c(5,3) = c(5,3) - coeff*c(2,3) c(5,4) = c(5,4) - coeff*c(2,4) c(5,5) = c(5,5) - coeff*c(2,5) r(5) = r(5) - coeff*r(2) pivot = 1.00d0/lhs(3,3) lhs(3,4) = lhs(3,4)*pivot lhs(3,5) = lhs(3,5)*pivot c(3,1) = c(3,1)*pivot c(3,2) = c(3,2)*pivot c(3,3) = c(3,3)*pivot c(3,4) = c(3,4)*pivot c(3,5) = c(3,5)*pivot r(3) = r(3) *pivot coeff = lhs(1,3) lhs(1,4)= lhs(1,4) - coeff*lhs(3,4) lhs(1,5)= lhs(1,5) - coeff*lhs(3,5) c(1,1) = c(1,1) - coeff*c(3,1) c(1,2) = c(1,2) - coeff*c(3,2) c(1,3) = c(1,3) - coeff*c(3,3) c(1,4) = c(1,4) - coeff*c(3,4) c(1,5) = c(1,5) - coeff*c(3,5) r(1) = r(1) - coeff*r(3) coeff = lhs(2,3) lhs(2,4)= lhs(2,4) - coeff*lhs(3,4) lhs(2,5)= lhs(2,5) - coeff*lhs(3,5) c(2,1) = c(2,1) - coeff*c(3,1) c(2,2) = c(2,2) - coeff*c(3,2) c(2,3) = c(2,3) - coeff*c(3,3) c(2,4) = c(2,4) - coeff*c(3,4) c(2,5) = c(2,5) - coeff*c(3,5) r(2) = r(2) - coeff*r(3) coeff = lhs(4,3) lhs(4,4)= lhs(4,4) - coeff*lhs(3,4) lhs(4,5)= lhs(4,5) - coeff*lhs(3,5) c(4,1) = c(4,1) - coeff*c(3,1) c(4,2) = c(4,2) - coeff*c(3,2) c(4,3) = c(4,3) - coeff*c(3,3) c(4,4) = c(4,4) - coeff*c(3,4) c(4,5) = c(4,5) - coeff*c(3,5) r(4) = r(4) - coeff*r(3) coeff = lhs(5,3) lhs(5,4)= lhs(5,4) - coeff*lhs(3,4) lhs(5,5)= lhs(5,5) - coeff*lhs(3,5) c(5,1) = c(5,1) - coeff*c(3,1) c(5,2) = c(5,2) - coeff*c(3,2) c(5,3) = c(5,3) - coeff*c(3,3) c(5,4) = c(5,4) - coeff*c(3,4) c(5,5) = c(5,5) - coeff*c(3,5) r(5) = r(5) - coeff*r(3) pivot = 1.00d0/lhs(4,4) lhs(4,5) = lhs(4,5)*pivot c(4,1) = c(4,1)*pivot c(4,2) = c(4,2)*pivot c(4,3) = c(4,3)*pivot c(4,4) = c(4,4)*pivot c(4,5) = c(4,5)*pivot r(4) = r(4) *pivot coeff = lhs(1,4) lhs(1,5)= lhs(1,5) - coeff*lhs(4,5) c(1,1) = c(1,1) - coeff*c(4,1) c(1,2) = c(1,2) - coeff*c(4,2) c(1,3) = c(1,3) - coeff*c(4,3) c(1,4) = c(1,4) - coeff*c(4,4) c(1,5) = c(1,5) - coeff*c(4,5) r(1) = r(1) - coeff*r(4) coeff = lhs(2,4) lhs(2,5)= lhs(2,5) - coeff*lhs(4,5) c(2,1) = c(2,1) - coeff*c(4,1) c(2,2) = c(2,2) - coeff*c(4,2) c(2,3) = c(2,3) - coeff*c(4,3) c(2,4) = c(2,4) - coeff*c(4,4) c(2,5) = c(2,5) - coeff*c(4,5) r(2) = r(2) - coeff*r(4) coeff = lhs(3,4) lhs(3,5)= lhs(3,5) - coeff*lhs(4,5) c(3,1) = c(3,1) - coeff*c(4,1) c(3,2) = c(3,2) - coeff*c(4,2) c(3,3) = c(3,3) - coeff*c(4,3) c(3,4) = c(3,4) - coeff*c(4,4) c(3,5) = c(3,5) - coeff*c(4,5) r(3) = r(3) - coeff*r(4) coeff = lhs(5,4) lhs(5,5)= lhs(5,5) - coeff*lhs(4,5) c(5,1) = c(5,1) - coeff*c(4,1) c(5,2) = c(5,2) - coeff*c(4,2) c(5,3) = c(5,3) - coeff*c(4,3) c(5,4) = c(5,4) - coeff*c(4,4) c(5,5) = c(5,5) - coeff*c(4,5) r(5) = r(5) - coeff*r(4) pivot = 1.00d0/lhs(5,5) c(5,1) = c(5,1)*pivot c(5,2) = c(5,2)*pivot c(5,3) = c(5,3)*pivot c(5,4) = c(5,4)*pivot c(5,5) = c(5,5)*pivot r(5) = r(5) *pivot coeff = lhs(1,5) c(1,1) = c(1,1) - coeff*c(5,1) c(1,2) = c(1,2) - coeff*c(5,2) c(1,3) = c(1,3) - coeff*c(5,3) c(1,4) = c(1,4) - coeff*c(5,4) c(1,5) = c(1,5) - coeff*c(5,5) r(1) = r(1) - coeff*r(5) coeff = lhs(2,5) c(2,1) = c(2,1) - coeff*c(5,1) c(2,2) = c(2,2) - coeff*c(5,2) c(2,3) = c(2,3) - coeff*c(5,3) c(2,4) = c(2,4) - coeff*c(5,4) c(2,5) = c(2,5) - coeff*c(5,5) r(2) = r(2) - coeff*r(5) coeff = lhs(3,5) c(3,1) = c(3,1) - coeff*c(5,1) c(3,2) = c(3,2) - coeff*c(5,2) c(3,3) = c(3,3) - coeff*c(5,3) c(3,4) = c(3,4) - coeff*c(5,4) c(3,5) = c(3,5) - coeff*c(5,5) r(3) = r(3) - coeff*r(5) coeff = lhs(4,5) c(4,1) = c(4,1) - coeff*c(5,1) c(4,2) = c(4,2) - coeff*c(5,2) c(4,3) = c(4,3) - coeff*c(5,3) c(4,4) = c(4,4) - coeff*c(5,4) c(4,5) = c(4,5) - coeff*c(5,5) r(4) = r(4) - coeff*r(5) return end c--------------------------------------------------------------------- c--------------------------------------------------------------------- subroutine binvrhs( lhs,r ) c--------------------------------------------------------------------- c--------------------------------------------------------------------- c--------------------------------------------------------------------- c c--------------------------------------------------------------------- implicit none double precision pivot, coeff, lhs dimension lhs(5,5) double precision r(5) c--------------------------------------------------------------------- c c--------------------------------------------------------------------- pivot = 1.00d0/lhs(1,1) lhs(1,2) = lhs(1,2)*pivot lhs(1,3) = lhs(1,3)*pivot lhs(1,4) = lhs(1,4)*pivot lhs(1,5) = lhs(1,5)*pivot r(1) = r(1) *pivot coeff = lhs(2,1) lhs(2,2)= lhs(2,2) - coeff*lhs(1,2) lhs(2,3)= lhs(2,3) - coeff*lhs(1,3) lhs(2,4)= lhs(2,4) - coeff*lhs(1,4) lhs(2,5)= lhs(2,5) - coeff*lhs(1,5) r(2) = r(2) - coeff*r(1) coeff = lhs(3,1) lhs(3,2)= lhs(3,2) - coeff*lhs(1,2) lhs(3,3)= lhs(3,3) - coeff*lhs(1,3) lhs(3,4)= lhs(3,4) - coeff*lhs(1,4) lhs(3,5)= lhs(3,5) - coeff*lhs(1,5) r(3) = r(3) - coeff*r(1) coeff = lhs(4,1) lhs(4,2)= lhs(4,2) - coeff*lhs(1,2) lhs(4,3)= lhs(4,3) - coeff*lhs(1,3) lhs(4,4)= lhs(4,4) - coeff*lhs(1,4) lhs(4,5)= lhs(4,5) - coeff*lhs(1,5) r(4) = r(4) - coeff*r(1) coeff = lhs(5,1) lhs(5,2)= lhs(5,2) - coeff*lhs(1,2) lhs(5,3)= lhs(5,3) - coeff*lhs(1,3) lhs(5,4)= lhs(5,4) - coeff*lhs(1,4) lhs(5,5)= lhs(5,5) - coeff*lhs(1,5) r(5) = r(5) - coeff*r(1) pivot = 1.00d0/lhs(2,2) lhs(2,3) = lhs(2,3)*pivot lhs(2,4) = lhs(2,4)*pivot lhs(2,5) = lhs(2,5)*pivot r(2) = r(2) *pivot coeff = lhs(1,2) lhs(1,3)= lhs(1,3) - coeff*lhs(2,3) lhs(1,4)= lhs(1,4) - coeff*lhs(2,4) lhs(1,5)= lhs(1,5) - coeff*lhs(2,5) r(1) = r(1) - coeff*r(2) coeff = lhs(3,2) lhs(3,3)= lhs(3,3) - coeff*lhs(2,3) lhs(3,4)= lhs(3,4) - coeff*lhs(2,4) lhs(3,5)= lhs(3,5) - coeff*lhs(2,5) r(3) = r(3) - coeff*r(2) coeff = lhs(4,2) lhs(4,3)= lhs(4,3) - coeff*lhs(2,3) lhs(4,4)= lhs(4,4) - coeff*lhs(2,4) lhs(4,5)= lhs(4,5) - coeff*lhs(2,5) r(4) = r(4) - coeff*r(2) coeff = lhs(5,2) lhs(5,3)= lhs(5,3) - coeff*lhs(2,3) lhs(5,4)= lhs(5,4) - coeff*lhs(2,4) lhs(5,5)= lhs(5,5) - coeff*lhs(2,5) r(5) = r(5) - coeff*r(2) pivot = 1.00d0/lhs(3,3) lhs(3,4) = lhs(3,4)*pivot lhs(3,5) = lhs(3,5)*pivot r(3) = r(3) *pivot coeff = lhs(1,3) lhs(1,4)= lhs(1,4) - coeff*lhs(3,4) lhs(1,5)= lhs(1,5) - coeff*lhs(3,5) r(1) = r(1) - coeff*r(3) coeff = lhs(2,3) lhs(2,4)= lhs(2,4) - coeff*lhs(3,4) lhs(2,5)= lhs(2,5) - coeff*lhs(3,5) r(2) = r(2) - coeff*r(3) coeff = lhs(4,3) lhs(4,4)= lhs(4,4) - coeff*lhs(3,4) lhs(4,5)= lhs(4,5) - coeff*lhs(3,5) r(4) = r(4) - coeff*r(3) coeff = lhs(5,3) lhs(5,4)= lhs(5,4) - coeff*lhs(3,4) lhs(5,5)= lhs(5,5) - coeff*lhs(3,5) r(5) = r(5) - coeff*r(3) pivot = 1.00d0/lhs(4,4) lhs(4,5) = lhs(4,5)*pivot r(4) = r(4) *pivot coeff = lhs(1,4) lhs(1,5)= lhs(1,5) - coeff*lhs(4,5) r(1) = r(1) - coeff*r(4) coeff = lhs(2,4) lhs(2,5)= lhs(2,5) - coeff*lhs(4,5) r(2) = r(2) - coeff*r(4) coeff = lhs(3,4) lhs(3,5)= lhs(3,5) - coeff*lhs(4,5) r(3) = r(3) - coeff*r(4) coeff = lhs(5,4) lhs(5,5)= lhs(5,5) - coeff*lhs(4,5) r(5) = r(5) - coeff*r(4) pivot = 1.00d0/lhs(5,5) r(5) = r(5) *pivot coeff = lhs(1,5) r(1) = r(1) - coeff*r(5) coeff = lhs(2,5) r(2) = r(2) - coeff*r(5) coeff = lhs(3,5) r(3) = r(3) - coeff*r(5) coeff = lhs(4,5) r(4) = r(4) - coeff*r(5) return end