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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-vbinary/vopc-scalar.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 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 
12 #include <xnnpack/common.h>
13 #include <xnnpack/math.h>
14 #include <xnnpack/vbinary.h>
15 
16 
xnn_f32_vrsubc_minmax_ukernel__scalar_x4(size_t n,const float * a,const float * b,float * y,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_vrsubc_minmax_ukernel__scalar_x4(
18     size_t n,
19     const float* a,
20     const float* b,
21     float* y,
22     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
23 {
24   assert(n != 0);
25   assert(n % sizeof(float) == 0);
26   assert(a != NULL);
27   assert(b != NULL);
28   assert(y != NULL);
29 
30   const float vy_min = params->scalar.min;
31   const float vy_max = params->scalar.max;
32 
33   const float vb = *b;
34   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
35     const float va0 = a[0];
36     const float va1 = a[1];
37     const float va2 = a[2];
38     const float va3 = a[3];
39     a += 4;
40 
41     float vy0 = vb - va0;
42     float vy1 = vb - va1;
43     float vy2 = vb - va2;
44     float vy3 = vb - va3;
45 
46 
47     vy0 = math_max_f32(vy0, vy_min);
48     vy1 = math_max_f32(vy1, vy_min);
49     vy2 = math_max_f32(vy2, vy_min);
50     vy3 = math_max_f32(vy3, vy_min);
51 
52     vy0 = math_min_f32(vy0, vy_max);
53     vy1 = math_min_f32(vy1, vy_max);
54     vy2 = math_min_f32(vy2, vy_max);
55     vy3 = math_min_f32(vy3, vy_max);
56 
57     y[0] = vy0;
58     y[1] = vy1;
59     y[2] = vy2;
60     y[3] = vy3;
61     y += 4;
62   }
63   if XNN_UNLIKELY(n != 0) {
64     do {
65       const float va = *a++;
66       float vy = vb - va;
67       vy = math_max_f32(vy, vy_min);
68       vy = math_min_f32(vy, vy_max);
69       *y++ = vy;
70       n -= sizeof(float);
71     } while (n != 0);
72   }
73 }
74