_a_f1 153 include/math-emu/op-1.h _FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1; \ _a_f1 164 include/math-emu/op-1.h _a_f1 = _xl * _yh; \ _a_f1 168 include/math-emu/op-1.h if ((_a_f0 += _a_f1) < _a_f1) \ _a_f1 170 include/math-emu/op-1.h _a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2); \