610     double vx, wx;  in float_rem()  local
613     CONVERT_TO_DOUBLE(w, wx);  in float_rem()
614     if (wx == 0.0) {  in float_rem()
619     mod = fmod(vx, wx);  in float_rem()
622         if ((wx < 0) != (mod < 0)) {  in float_rem()
623             mod += wx;  in float_rem()
630         mod = copysign(0.0, wx);  in float_rem()
636 _float_div_mod(double vx, double wx, double *floordiv, double *mod)  in _float_div_mod()  argument
639     *mod = fmod(vx, wx);  in _float_div_mod()
646     div = (vx - *mod) / wx;  in _float_div_mod()
649         if ((wx < 0) != (*mod < 0)) {  in _float_div_mod()
650             *mod += wx;  in _float_div_mod()
658         *mod = copysign(0.0, wx);  in _float_div_mod()
669         *floordiv = copysign(0.0, vx / wx); /* zero w/ sign of vx/wx */  in _float_div_mod()
676     double vx, wx;  in float_divmod()  local
679     CONVERT_TO_DOUBLE(w, wx);  in float_divmod()
680     if (wx == 0.0) {  in float_divmod()
684     _float_div_mod(vx, wx, &floordiv, &mod);  in float_divmod()
691     double vx, wx;  in float_floor_div()  local
694     CONVERT_TO_DOUBLE(w, wx);  in float_floor_div()
695     if (wx == 0.0) {  in float_floor_div()
699     _float_div_mod(vx, wx, &floordiv, &mod);  in float_floor_div()