== bits-gcc-O2-604.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3fefffffffffffff 0.99999999999999989 identical: no FMA contraction by this compiler == bits-gcc-O2.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3fefffffffffffff 0.99999999999999989 identical: no FMA contraction by this compiler == bits-gcc-O3-604.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3fefffffffffffff 0.99999999999999989 identical: no FMA contraction by this compiler == bits-xlc-O2-604.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3feffffffffffffe 0.99999999999999978 differ: FMA contraction is active == bits-xlc-O2.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3feffffffffffffe 0.99999999999999978 differ: FMA contraction is active == bits-xlc-O3-604-nofma.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3feffffffffffffe 0.99999999999999978 differ: FMA contraction is active == bits-xlc-O3-604.txt a=1+2^-27 b=1-2^-27 c=-2^-53 unfused a*b+c: 3fefffffffffffff 0.99999999999999989 fused a*b+c: 3feffffffffffffe 0.99999999999999978 differ: FMA contraction is active