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__1;
  wire literal_874;
  wire [51:0] tuple_index_875;
  wire [51:0] fractional_mask__1;
  wire [10:0] literal_877;
  wire eq_880;
  wire [52:0] fraction_up__2;
  wire f_sign__1;
  wire and_reduce_890;
  wire [10:0] EXPR_MASK;
  wire [51:0] f_fraction__1;
  wire [51:0] fraction_integral__2;
  wire [51:0] fraction_integral__4;
  wire [10:0] sign_ext_901;
  wire eq_902;
  wire eq_903;
  wire ult_911;
  wire [10:0] add_914;
  wire nor_917;
  wire [51:0] sel_918;
  wire [63:0] tuple_933;
  assign f_bexp__2 = f[62:52];
  assign exp__1 = f_bexp__2 + 11'h401;
  assign literal_874 = 1'h0;
  assign tuple_index_875 = f[51:0];
  assign fractional_mask__1 = {{21{exp__1[10]}}, exp__1} >= 32'h0000_0034 ? 52'h0_0000_0000_0000 : 52'hf_ffff_ffff_ffff >> {{21{exp__1[10]}}, exp__1};
  assign literal_877 = 11'h000;
  assign eq_880 = f_bexp__2 == literal_877;
  assign fraction_up__2 = {literal_874, tuple_index_875} + {literal_874, fractional_mask__1};
  assign f_sign__1 = f[63:63];
  assign and_reduce_890 = &f_bexp__2[9:0];
  assign EXPR_MASK = 11'h7ff;
  assign f_fraction__1 = tuple_index_875 & {52{~eq_880}};
  assign fraction_integral__2 = ~(~fraction_up__2[51:0] | fractional_mask__1);
  assign fraction_integral__4 = ~(~tuple_index_875 | fractional_mask__1);
  assign sign_ext_901 = {11{~f_sign__1}};
  assign eq_902 = f_bexp__2 == EXPR_MASK;
  assign eq_903 = f_fraction__1 == 52'h0_0000_0000_0000;
  assign ult_911 = f_bexp__2 < 11'h433;
  assign add_914 = f_bexp__2 + ({10'h000, fraction_up__2[52]} & sign_ext_901);
  assign nor_917 = ~(~eq_902 | eq_903);
  assign sel_918 = ult_911 ? (f_sign__1 ? fraction_integral__4 : fraction_integral__2) & {52{f_bexp__2[10] | and_reduce_890}} : tuple_index_875;
  assign tuple_933 = {~(nor_917 | ~f_sign__1), priority_sel_11b_2way({eq_880, eq_902}, EXPR_MASK, literal_877, ult_911 ? (~(f_bexp__2[10] | and_reduce_890) ? {literal_874, sign_ext_901[9:0]} : add_914) : f_bexp__2), {priority_sel_1b_2way({eq_880 | eq_902 & eq_903, nor_917}, 1'h1, literal_874, sel_918[51]), sel_918[50:0] & {51{~(eq_880 | eq_902)}}}};
  assign out = tuple_933;
endmodule