1 // Auto-generated file. Do not edit!
2 // Template: src/f32-ibilinear-chw/scalar.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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/ibilinear.h>
13
14
xnn_f32_ibilinear_chw_ukernel__scalar_p1(size_t output_pixels,size_t channels,const float ** restrict input,size_t input_offset,const float * restrict weights,float * restrict output,size_t input_increment)15 void xnn_f32_ibilinear_chw_ukernel__scalar_p1(
16 size_t output_pixels,
17 size_t channels,
18 const float**restrict input,
19 size_t input_offset,
20 const float*restrict weights,
21 float*restrict output,
22 size_t input_increment)
23 {
24 assert(output_pixels != 0);
25 assert(channels != 0);
26 assert(input_increment % sizeof(float) == 0);
27
28 size_t c = channels;
29 do {
30 const float** i = input;
31 const float* w = weights;
32
33 size_t p = output_pixels;
34 do {
35 const float* itl = (const float*) ((uintptr_t) i[0] + input_offset);
36 const float* ibl = (const float*) ((uintptr_t) i[1] + input_offset);
37 i += 2;
38
39 const float valphah = w[0];
40 const float valphav = w[1];
41 w += 2;
42
43 const float vtl = itl[0];
44 const float vtr = itl[1];
45 const float vbl = ibl[0];
46 const float vbr = ibl[1];
47
48 const float vtd = vtr - vtl;
49 const float vbd = vbr - vbl;
50
51 const float vt = vtl + vtd * valphah;
52 const float vb = vbl + vbd * valphah;
53
54 const float vd = vb - vt;
55
56 const float vo = vt + vd * valphav;
57
58 *output++ = vo;
59 } while (--p != 0);
60
61 input_offset += input_increment;
62
63 c--;
64 } while (c != 0);
65 }
66