MADDF_NEGATE_ADDITION
return _dp_maddf(z, x, y, MADDF_NEGATE_ADDITION);
return _dp_maddf(z, x, y, MADDF_NEGATE_PRODUCT|MADDF_NEGATE_ADDITION);
if (flags & MADDF_NEGATE_ADDITION)
return _sp_maddf(z, x, y, MADDF_NEGATE_ADDITION);
return _sp_maddf(z, x, y, MADDF_NEGATE_PRODUCT|MADDF_NEGATE_ADDITION);
if (flags & MADDF_NEGATE_ADDITION)