c-----------------------------------------------------------
      subroutine random_vel
      implicit real*8 (a-h,o-z)
      include 'DIMENSIONS'
      include 'COMMON.CONTROL'
      include 'COMMON.VAR'
      include 'COMMON.MD'
#ifndef LANG0
      include 'COMMON.LANGEVIN'
#else
      include 'COMMON.LANGEVIN.lang0'
#endif
      include 'COMMON.CHAIN'
      include 'COMMON.DERIV'
      include 'COMMON.GEO'
      include 'COMMON.LOCAL'
      include 'COMMON.INTERACT'
      include 'COMMON.IOUNITS'
      include 'COMMON.NAMES'
      include 'COMMON.TIME1'
      double precision xv,sigv,lowb,highb
c Generate random velocities from Gaussian distribution of mean 0 and std of KT/m 
c First generate velocities in the eigenspace of the G matrix
c      write (iout,*) "Calling random_vel dimen dimen3",dimen,dimen3
c      call flush(iout)
      xv=0.0d0
      ii=0
      do i=1,dimen
        do k=1,3
          ii=ii+1
          sigv=dsqrt((Rb*t_bath)/geigen(i))
          lowb=-5*sigv
          highb=5*sigv
          d_t_work_new(ii)=anorm_distr(xv,sigv,lowb,highb)
c          write (iout,*) "i",i," ii",ii," geigen",geigen(i),
c     &      " d_t_work_new",d_t_work_new(ii)
        enddo
      enddo
c diagnostics
c      Ek1=0.0d0
c      ii=0
c      do i=1,dimen
c        do k=1,3
c          ii=ii+1
c          Ek1=Ek1+0.5d0*geigen(i)*d_t_work_new(ii)**2
c        enddo
c      enddo
c      write (iout,*) "Ek from eigenvectors",Ek1
c end diagnostics
c Transform velocities to UNRES coordinate space
      do k=0,2       
        do i=1,dimen
          ind=(i-1)*3+k+1
          d_t_work(ind)=0.0d0
          do j=1,dimen
            d_t_work(ind)=d_t_work(ind)
     &                      +Gvec(i,j)*d_t_work_new((j-1)*3+k+1)
          enddo
c          write (iout,*) "i",i," ind",ind," d_t_work",d_t_work(ind)
c          call flush(iout)
        enddo
      enddo
c Transfer to the d_t vector
      do j=1,3
        d_t(j,0)=d_t_work(j)
      enddo 
      ind=3
      do i=nnt,nct-1
        do j=1,3 
          ind=ind+1
          d_t(j,i)=d_t_work(ind)
        enddo
      enddo
      do i=nnt,nct
        if (itype(i).ne.10) then
          do j=1,3
            ind=ind+1
            d_t(j,i+nres)=d_t_work(ind)
          enddo
        endif
      enddo
c      call kinetic(EK)
c      write (iout,*) "Kinetic energy",Ek,EK1," kinetic temperature",
c     &  2.0d0/(dimen3*Rb)*EK,2.0d0/(dimen3*Rb)*EK1
c      call flush(iout)
      return
      end