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`include "gfx/gfx_defs.sv"
// Asume que N es una potencia de 2
module horizontal_fold
#(parameter N=1)
(
input logic clk,
rst_n,
input logic start,
input fp vec[N - 1:0],
output logic done,
output fp q
);
fp q_left, q_right;
logic halves_done;
generate
if (N > 1) begin
horizontal_fold #(.N(N / 2)) left
(
.q(q_left),
.vec(vec[N - 1:N / 2]),
.done(halves_done),
.*
);
horizontal_fold #(.N(N / 2)) right
(
.q(q_right),
.vec(vec[N / 2 - 1:0]),
.done(),
.*
);
fp_add fold
(
.a(q_left),
.b(q_right),
.start(halves_done),
.*
);
end else begin
assign q = vec[0];
assign done = start;
end
endgenerate
endmodule
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