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/*
* Copyright (c) 2020
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "libavfilter/dnn/dnn_backend_native_layer_mathbinary.h"
#include "libavutil/avassert.h"
#define EPSON 0.00005
static float get_expected(float f1, float f2, DNNMathBinaryOperation op)
{
switch (op)
{
case DMBO_SUB:
return f1 - f2;
case DMBO_ADD:
return f1 + f2;
case DMBO_MUL:
return f1 * f2;
case DMBO_REALDIV:
return f1 / f2;
case DMBO_MINIMUM:
return (f1 < f2) ? f1 : f2;
case DMBO_FLOORMOD:
return (float)((int)(f1) % (int)(f2));
default:
av_assert0(!"not supported yet");
return 0.f;
}
}
static int test_broadcast_input0(DNNMathBinaryOperation op)
{
DnnLayerMathBinaryParams params;
DnnOperand operands[2];
int32_t input_indexes[1];
float input[1*1*2*3] = {
-3, 2.5, 2, -2.1, 7.8, 100
};
float *output;
params.bin_op = op;
params.input0_broadcast = 1;
params.input1_broadcast = 0;
params.v = 7.28;
operands[0].data = input;
operands[0].dims[0] = 1;
operands[0].dims[1] = 1;
operands[0].dims[2] = 2;
operands[0].dims[3] = 3;
operands[1].data = NULL;
input_indexes[0] = 0;
dnn_execute_layer_math_binary(operands, input_indexes, 1, ¶ms, NULL);
output = operands[1].data;
for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
float expected_output = get_expected(params.v, input[i], op);
if (fabs(output[i] - expected_output) > EPSON) {
printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
op, i, output[i], expected_output, __FILE__, __LINE__);
av_freep(&output);
return 1;
}
}
av_freep(&output);
return 0;
}
static int test_broadcast_input1(DNNMathBinaryOperation op)
{
DnnLayerMathBinaryParams params;
DnnOperand operands[2];
int32_t input_indexes[1];
float input[1*1*2*3] = {
-3, 2.5, 2, -2.1, 7.8, 100
};
float *output;
params.bin_op = op;
params.input0_broadcast = 0;
params.input1_broadcast = 1;
params.v = 7.28;
operands[0].data = input;
operands[0].dims[0] = 1;
operands[0].dims[1] = 1;
operands[0].dims[2] = 2;
operands[0].dims[3] = 3;
operands[1].data = NULL;
input_indexes[0] = 0;
dnn_execute_layer_math_binary(operands, input_indexes, 1, ¶ms, NULL);
output = operands[1].data;
for (int i = 0; i < sizeof(input) / sizeof(float); i++) {
float expected_output = get_expected(input[i], params.v, op);
if (fabs(output[i] - expected_output) > EPSON) {
printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
op, i, output[i], expected_output, __FILE__, __LINE__);
av_freep(&output);
return 1;
}
}
av_freep(&output);
return 0;
}
static int test_no_broadcast(DNNMathBinaryOperation op)
{
DnnLayerMathBinaryParams params;
DnnOperand operands[3];
int32_t input_indexes[2];
float input0[1*1*2*3] = {
-3, 2.5, 2, -2.1, 7.8, 100
};
float input1[1*1*2*3] = {
-1, 2, 3, -21, 8, 10.0
};
float *output;
params.bin_op = op;
params.input0_broadcast = 0;
params.input1_broadcast = 0;
operands[0].data = input0;
operands[0].dims[0] = 1;
operands[0].dims[1] = 1;
operands[0].dims[2] = 2;
operands[0].dims[3] = 3;
operands[1].data = input1;
operands[1].dims[0] = 1;
operands[1].dims[1] = 1;
operands[1].dims[2] = 2;
operands[1].dims[3] = 3;
operands[2].data = NULL;
input_indexes[0] = 0;
input_indexes[1] = 1;
dnn_execute_layer_math_binary(operands, input_indexes, 2, ¶ms, NULL);
output = operands[2].data;
for (int i = 0; i < sizeof(input0) / sizeof(float); i++) {
float expected_output = get_expected(input0[i], input1[i], op);
if (fabs(output[i] - expected_output) > EPSON) {
printf("op %d, at index %d, output: %f, expected_output: %f (%s:%d)\n",
op, i, output[i], expected_output, __FILE__, __LINE__);
av_freep(&output);
return 1;
}
}
av_freep(&output);
return 0;
}
static int test(DNNMathBinaryOperation op)
{
if (test_broadcast_input0(op))
return 1;
if (test_broadcast_input1(op))
return 1;
if (test_no_broadcast(op))
return 1;
return 0;
}
int main(int argc, char **argv)
{
if (test(DMBO_SUB))
return 1;
if (test(DMBO_ADD))
return 1;
if (test(DMBO_MUL))
return 1;
if (test(DMBO_REALDIV))
return 1;
if (test(DMBO_MINIMUM))
return 1;
if (test(DMBO_FLOORMOD))
return 1;
return 0;
}
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