54   return (PetscAbs(a) > PetscAbs(b)) ? a : b;  in MaxAbs()
58   return (PetscAbs(a) < PetscAbs(b)) ? a : b;  in MinAbs()
62   return (a * b < 0) ? 0 : Sgn(a) * PetscMin(PetscAbs(a), PetscAbs(b));  in MinMod2()
66   return (a * b < 0) ? 0 : Sgn(a) * PetscMax(PetscAbs(a), PetscAbs(b));  in MaxMod2()
70 …eturn (a * b < 0 || a * c < 0) ? 0 : Sgn(a) * PetscMin(PetscAbs(a), PetscMin(PetscAbs(b), PetscAbs…  in MinMod3()
343     u[0] = PetscAbs(x0);  in PhysicsSample_Advect()
435   *maxspeed = (PetscAbs(uL[0]) > PetscAbs(uR[0])) ? uL[0] : uR[0];  in PhysicsRiemann_Burgers_Exact()
445   flux[0] = 0.25 * (PetscSqr(uL[0]) + PetscSqr(uR[0])) - 0.5 * PetscAbs(speed) * (uR[0] - uL[0]);  in PhysicsRiemann_Burgers_Roe()
471   c         = PetscMax(PetscAbs(uL[0]), PetscAbs(uR[0]));  in PhysicsRiemann_Burgers_Rusanov()
575 …flux[0]   = 0.5 * (TrafficFlux(a, uL[0]) + TrafficFlux(a, uR[0])) - 0.5 * PetscAbs(speed) * (uR[0]…  in PhysicsRiemann_Traffic_Roe()
599   speed     = a * PetscMax(PetscAbs(1 - 2 * uL[0]), PetscAbs(1 - 2 * uR[0]));  in PhysicsRiemann_Traffic_Rusanov()
692     u[0] = (PetscAbs((x - xmin) / (xmax - xmin) - 0.2) < 0.1) ? 1 : 0.5;  in PhysicsSample_Acoustics_Initial()
693     u[1] = (PetscAbs((x - xmin) / (xmax - xmin) - 0.7) < 0.1) ? 1 : -0.5;  in PhysicsSample_Acoustics_Initial()
942   s         = PetscMax(PetscAbs(L.u), PetscAbs(R.u)) + c;  in PhysicsRiemann_IsoGas_Rusanov()
1098 …s         = PetscMax(PetscAbs(L.u) + PetscSqrtScalar(g * L.h), PetscAbs(R.u) + PetscSqrtScalar(g *…  in PhysicsRiemann_Shallow_Rusanov()
1292     for (j = 0; j < dof; j++) ctx->speeds[j] = PetscAbs(ctx->speeds[j]);  in FVIJacobian()