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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-qs8-vcvt/scalar-lrintf.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2021 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9 
10 #include <assert.h>
11 #include <math.h>
12 
13 #include <xnnpack/common.h>
14 #include <xnnpack/math.h>
15 #include <xnnpack/vcvt.h>
16 
17 
xnn_f32_qu8_vcvt_ukernel__scalar_lrintf_x1(size_t n,const float * x,uint8_t * y,const union xnn_f32_qu8_cvt_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_qu8_vcvt_ukernel__scalar_lrintf_x1(
19     size_t n,
20     const float* x,
21     uint8_t* y,
22     const union xnn_f32_qu8_cvt_params params[restrict XNN_MIN_ELEMENTS(1)])
23 {
24   assert(n != 0);
25   assert(n % sizeof(float) == 0);
26   assert(x != NULL);
27   assert(y != NULL);
28 
29   const float vscale = params->scalar_lrintf.scale;
30   const float voutput_min_less_zero_point = params->scalar_lrintf.output_min_less_zero_point;
31   const float voutput_max_less_zero_point = params->scalar_lrintf.output_max_less_zero_point;
32   const int32_t voutput_zero_point = params->scalar_lrintf.output_zero_point;
33 
34   do {
35     float vx = *x++;
36     vx *= vscale;
37     vx = math_max_f32(vx, voutput_min_less_zero_point);
38     vx = math_min_f32(vx, voutput_max_less_zero_point);
39 
40     int32_t vy = (int32_t) lrintf(vx);
41     vy += voutput_zero_point;
42 
43     *y++ = (uint8_t) vy;
44 
45     n -= sizeof(float);
46   } while (n != 0);
47 }
48