{"shas":[["24ddec02b38c43abd2c2be9409c013c65a24f91d","3ca678bc9a2deedb6ccf5b5a3a177155ee82b0ad@yahoo.com","fixed numerous bugs in advectoin routine\n\nremoved variables psi_x, psi_y from step.c/step.h\nchanged advection routine to accept velocity fields from input\nadded update_vel function to calculate velocity from vorticity\nadded l2_norm_squared to calculate L2 norms in Fourier space\nfixed bug in RK4 routine to update velocity when vorticity is updated\nfixed bugs in gradient function call to use proper wave numbers","W. Riley Casper"]],"ref":"refs/heads/master","size":1,"head":"24ddec02b38c43abd2c2be9409c013c65a24f91d","push_id":36909311}