module __float64__ceil_daz(
  input wire [63:0] f,
  output wire [63:0] out
);
  function automatic priority_sel_1b_2way (input reg [1:0] sel, input reg case0, input reg case1, input reg default_value);
    begin
      casez (sel)
        2'b?1: begin
          priority_sel_1b_2way = case0;
        end
        2'b10: begin
          priority_sel_1b_2way = case1;
        end
        2'b00: begin
          priority_sel_1b_2way = default_value;
        end
        default: begin
          // Propagate X
          priority_sel_1b_2way = 1'dx;
        end
      endcase
    end
  endfunction
  function automatic [10:0] priority_sel_11b_2way (input reg [1:0] sel, input reg [10:0] case0, input reg [10:0] case1, input reg [10:0] default_value);
    begin
      casez (sel)
        2'b?1: begin
          priority_sel_11b_2way = case0;
        end
        2'b10: begin
          priority_sel_11b_2way = case1;
        end
        2'b00: begin
          priority_sel_11b_2way = default_value;
        end
        default: begin
          // Propagate X
          priority_sel_11b_2way = 11'dx;
        end
      endcase
    end
  endfunction
  wire [10:0] f_bexp__2;
  wire [10:0] exp;
  wire [51:0] tuple_index_812;
  wire [51:0] fractional_mask__2;
  wire [52:0] fraction_up__2;
  wire eq_821;
  wire and_reduce_826;
  wire f_sign__1;
  wire [10:0] EXPR_MASK;
  wire ne_831;
  wire [51:0] fraction_integral__2;
  wire [51:0] fraction_integral__4;
  wire eq_838;
  wire ult_846;
  wire [10:0] add_849;
  wire and_852;
  wire [51:0] sel_853;
  wire priority_sel_863;
  wire [10:0] priority_sel_866;
  assign f_bexp__2 = f[62:52];
  assign exp = f_bexp__2 + 11'h401;
  assign tuple_index_812 = f[51:0];
  assign fractional_mask__2 = {{21{exp[10]}}, exp} >= 32'h0000_0034 ? 52'h0_0000_0000_0000 : 52'hf_ffff_ffff_ffff >> {{21{exp[10]}}, exp};
  assign fraction_up__2 = {1'h0, tuple_index_812} + {1'h0, fractional_mask__2};
  assign eq_821 = f_bexp__2 == 11'h000;
  assign and_reduce_826 = &f_bexp__2[9:0];
  assign f_sign__1 = f[63:63];
  assign EXPR_MASK = 11'h7ff;
  assign ne_831 = tuple_index_812 != 52'h0_0000_0000_0000;
  assign fraction_integral__2 = ~(~fraction_up__2[51:0] | fractional_mask__2);
  assign fraction_integral__4 = ~(~tuple_index_812 | fractional_mask__2);
  assign eq_838 = f_bexp__2 == EXPR_MASK;
  assign ult_846 = f_bexp__2 < 11'h433;
  assign add_849 = f_bexp__2 + {10'h000, ~(f_sign__1 | ~fraction_up__2[52])};
  assign and_852 = eq_838 & ne_831;
  assign sel_853 = ult_846 ? (f_sign__1 ? fraction_integral__4 : fraction_integral__2) & {52{f_bexp__2[10] | and_reduce_826}} : tuple_index_812;
  assign priority_sel_863 = priority_sel_1b_2way({eq_821 | eq_838 & ~(~eq_821 & ne_831), and_852}, 1'h1, 1'h0, sel_853[51]);
  assign priority_sel_866 = priority_sel_11b_2way({eq_821, eq_838}, EXPR_MASK, 11'h000, ult_846 ? (~(f_bexp__2[10] | and_reduce_826) ? {1'h0, {10{~f_sign__1}}} : add_849) : f_bexp__2);
  assign out = {~(and_852 | ~f_sign__1), priority_sel_866, {priority_sel_863, sel_853[50:0] & {51{~(eq_821 | eq_838)}}}};
endmodule