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// Copyright 2022 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.
$assert BATCH_TILE >= 1
$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
#include <assert.h>
#include <math.h>
#include <arm_fp16.h>
#include <xnnpack/common.h>
#include <xnnpack/intrinsics-polyfill.h>
#include <xnnpack/vunary.h>
void xnn_f16_vsqrt_ukernel__fp16arith_sqrt_x${BATCH_TILE}(
size_t batch,
const void* input,
void* output,
const union xnn_f16_sqrt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
{
assert(batch != 0);
assert(batch % sizeof(float16_t) == 0);
assert(input != NULL);
assert(output != NULL);
const float16_t* i = (const float16_t*) input;
float16_t* o = (float16_t*) output;
$if BATCH_TILE > 1:
for (; batch >= ${BATCH_TILE} * sizeof(float16_t); batch -= ${BATCH_TILE} * sizeof(float16_t)) {
$for N in range(BATCH_TILE):
float16_t vacc${ABC[N]} = *i++;
$for N in range(BATCH_TILE):
vacc${ABC[N]} = vsqrth_f16(vacc${ABC[N]});
$for N in range(BATCH_TILE):
*o++ = vacc${ABC[N]};
}
if XNN_UNLIKELY(batch != 0) {
$if BATCH_TILE > 2:
do {
float16_t vacc = *i++;
vacc = vsqrth_f16(vacc);
*o++ = vacc;
batch -= sizeof(float16_t);
} while (batch != 0);
$else:
float16_t vacc = *i;
vacc = vsqrth_f16(vacc);
*o = vacc;
}
$else:
do {
float16_t vacc = *i++;
vacc = vsqrth_f16(vacc);
*o++ = vacc;
batch -= sizeof(float16_t);
} while (batch != 0);
}
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