1 MatMult: norm difference < sqrt(eps_machine) 2 MatMultTranspose: norm difference < sqrt(eps_machine) 3 MatMultAdd v2==v3: norm difference < sqrt(eps_machine) 4 MatMultAdd v2!=v3: norm difference < sqrt(eps_machine) 5 MatMultTransposeAdd v2==v3: norm difference < sqrt(eps_machine) 6 MatMultTransposeAdd v2!=v3: norm difference < sqrt(eps_machine) 7