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// Copyright 2019 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
#include <assert.h>
#include <xnnpack/gavgpool.h>
#include <xnnpack/math.h>
void xnn_f32_gavgpool_cw_ukernel__scalar_x1(
size_t elements,
size_t channels,
const float* input,
float* output,
const union xnn_f32_gavgpool_params params[restrict XNN_MIN_ELEMENTS(1)])
{
assert(elements != 0);
assert(elements % sizeof(float) == 0);
assert(channels != 0);
const float* i0 = input;
const float vmultiplier = params->scalar.multiplier;
const float voutput_max = params->scalar.output_max;
const float voutput_min = params->scalar.output_min;
while (channels != 0) {
float vsum0 = 0.f;
float vsum1 = 0.f;
float vsum2 = 0.f;
float vsum3 = 0.f;
size_t n = elements;
while (n >= 4 * sizeof(float)) {
vsum0 += i0[0];
vsum1 += i0[1];
vsum2 += i0[2];
vsum3 += i0[3];
i0 += 4;
n -= 4 * sizeof(float);
}
while (n != 0) {
vsum0 += *i0++;
n -= sizeof(float);
}
float vout = ( (vsum0 + vsum1) + (vsum2 + vsum3) ) * vmultiplier;
vout = math_min_f32(vout, voutput_max);
vout = math_max_f32(vout, voutput_min);
*output++ = vout;
channels -= 1;
}
}
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