void grayscott_propagation(float *outMatU, float *outMatV, const float *matU, const float *matV, long nbRow, long nbCol, const float *matDeltaSquare, long nbStencilRow, long nbStencilCol, float diffudionRateU, float diffusionRateV, float feedRate, float killRate, float dt)
Propagate the U and V species in the matU and matV.