Program sfadjgradient2d_coupled_gpu | 2D ISOTROPIC wave-equation finite-difference migration on GPU 
[SYNOPSIS]
sfadjgradient2d_coupled_gpu < Fvel1.rsf vel2=Fvel2.rsf xig1=Fxig1.rsf xig2=Fxig2.rsf us1=Fus1.rsf ur1=Fur1.rsf us2=Fus2.rsf ur2=Fur2.rsf > Fgrd1.rsf grd2=Fgrd2.rsf nxtap=40 hzero=5 verbose=n epsDSO=1.f eps4D=0.f gpu=0
[PARAMETERS]
float   | eps4D | =0.f |   | 	Weighting for 4D penalty 
float   | epsDSO | =1.f |   | 	Weighting for DSO penalty 
int     | gpu | =0 |   | 	ID of the GPU to be used 
file    | grd2 | = |   | 	auxiliary output file name
int     | hzero | =5 |   | 	Number of near offsets to zero 
int     | nxtap | =40 |   | 	TAPER size 
file    | ur1 | = |   | 	auxiliary input file name
file    | ur2 | = |   | 	auxiliary input file name
file    | us1 | = |   | 	auxiliary input file name
file    | us2 | = |   | 	auxiliary input file name
file    | vel2 | = |   | 	auxiliary input file name
bool    | verbose | =n |  [y/n] | 	VERBOSITY flag 
file    | xig1 | = |   | 	auxiliary input file name
file    | xig2 | = |   | 	auxiliary input file name
[DIRECTORY]
user/rweiss
