66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include "../hls_simulation/hls_cores.h"
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int main() {
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bool all_good = true;
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std::vector<uint16_t> sqrtmult_values = {1,2,4,8,16};
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for (int i = 0; i < sqrtmult_values.size(); i++) {
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uint16_t sqrtmult = sqrtmult_values[i];
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STREAM_768 input;
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STREAM_768 output;
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packet_768_t packet_in;
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packet_in.user = 0;
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packet_in.data = 0;
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ACT_REG_SQRTMULT(packet_in.data) = sqrtmult;
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ACT_REG_MODE(packet_in.data) = MODE_SQROOT;
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input << packet_in;
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ap_int<24> values_in[32], values_out[32];
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for (int i = 0; i < 30; i++)
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values_in[i] = i;
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values_in[30] = INT24_MAX;
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values_in[31] = INT24_MIN;
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packet_in.data = pack32(values_in);
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input << packet_in;
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input << packet_768_t{.user = 1};
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pixel_sqrt(input, output);
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output.read();
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packet_768_t packet_out = output.read();
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output.read();
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unpack32(packet_out.data, values_out);
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for (int i = 0; i < 32; i++) {
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double value_expected = std::round(std::sqrt(values_in[i].to_float()) * sqrtmult);
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if (values_in[i] == INT24_MAX)
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value_expected = INT24_MAX;
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if (values_in[i] == INT24_MIN)
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value_expected = INT24_MIN;
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if (values_out[i] != value_expected) {
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all_good = false;
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std::cerr << "Value " << i << " expected: " << value_expected << " calculated " << values_out[i] << " sqrtmult " << sqrtmult << std::endl;
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}
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}
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}
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if (all_good)
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return 0;
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else
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return 1;
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}
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