478   EulerNode     *uu   = (EulerNode *)u;  in PhysicsSolution_Euler()  local
484   for (i = 0; i < DIM; i++) uu->ru[i] = 0.0; /* zero out initial velocity */  in PhysicsSolution_Euler()
503         uu->r     = rho * (p1 / press + gas1) / (gas1 * p1 / press + 1.0);  in PhysicsSolution_Euler()
504         uu->ru[0] = ((uu->r - rho) * PetscSqrtReal(gamma * press / rho) * amach);  in PhysicsSolution_Euler()
505         uu->E     = p1 / (gamma - 1.0) + .5 / uu->r * uu->ru[0] * uu->ru[0];  in PhysicsSolution_Euler()
507         uu->r = 1.; /* rho = 1 */  in PhysicsSolution_Euler()
508         uu->E = p0 / (gamma - 1.0);  in PhysicsSolution_Euler()
511       uu->r = eu->rhoR;  in PhysicsSolution_Euler()
512       uu->E = p0 / (gamma - 1.0);  in PhysicsSolution_Euler()
517       uu->r = 8.;  in PhysicsSolution_Euler()
518       uu->E = 10. / (gamma - 1.);  in PhysicsSolution_Euler()
520       uu->r = 1.;  in PhysicsSolution_Euler()
521       uu->E = 1. / (gamma - 1.);  in PhysicsSolution_Euler()
524     initLinearWave(uu, gamma, x, mod->bounds[1] - mod->bounds[0]);  in PhysicsSolution_Euler()
528   PetscCall(SpeedOfSound_PG(gamma, uu, &c));  in PhysicsSolution_Euler()
529   c = (uu->ru[0] / uu->r) + c;  in PhysicsSolution_Euler()