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subroutine uvvcxx(v1,v2,gt,vmass,tmass,twidth , uvvh)
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c This subroutine computes an off-shell tensor current from
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c the two gauge bosons-pseudo tensor boson coupling.
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c complex v1(3) : first vector v1
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c complex v2(3) : second vector v2
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c real gt : coupling constant gtv= gs
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c real vmass : vector boson mass m_v
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c real tmass : mass of output tensor T
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c real twidth : width of output tensor T
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c complex uvv(18) : tensor current j^mu^nu(T:v1,v2)
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double complex v1(6), v2(6), uvvh(18)
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double precision vmass, tmass, twidth,gt
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double complex yvv(6,4)
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double precision rZero, rTwo
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parameter( rZero = 0.0d0, rTwo = 2.0d0 )
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parameter( cZero = ( 0.0d0, 0.0d0 ) )
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yvv(5,1) = v1(5)+v2(5)
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yvv(6,1) = v1(6)+v2(6)
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yvv(i,j)=gt*v1(i)*v2(j)