1 // Auto-generated file. Do not edit!
2 // Template: src/f32-ibilinear/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/ibilinear.h>
13
14
xnn_f32_ibilinear_ukernel__scalar_c1(size_t output_pixels,size_t channels,const float ** restrict input,size_t input_offset,const float * restrict weights,float * restrict output,size_t output_increment)15 void xnn_f32_ibilinear_ukernel__scalar_c1(
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 output_increment)
23 {
24 assert(output_pixels != 0);
25 assert(channels != 0);
26 assert(channels % sizeof(float) == 0);
27
28 do {
29 const float* i0 = (const float*) ((uintptr_t) input[0] + input_offset);
30 const float* i1 = (const float*) ((uintptr_t) input[1] + input_offset);
31 const float* i2 = (const float*) ((uintptr_t) input[2] + input_offset);
32 const float* i3 = (const float*) ((uintptr_t) input[3] + input_offset);
33 input += 4;
34
35 const float valphah = weights[0];
36 const float valphav = weights[1];
37 weights += 2;
38
39 size_t c = channels;
40 do {
41 const float vtl = *i0++;
42 const float vtr = *i1++;
43 const float vbl = *i2++;
44 const float vbr = *i3++;
45
46 const float vtd = vtr - vtl;
47 const float vbd = vbr - vbl;
48
49 const float vt = vtl + vtd * valphah;
50 const float vb = vbl + vbd * valphah;
51
52 const float vd = vb - vt;
53
54 const float vo = vt + vd * valphav;
55
56 *output++ = vo;
57
58 c -= sizeof(float);
59 } while (c != 0);
60
61 output = (float*) ((uintptr_t) output + output_increment);
62 } while (--output_pixels != 0);
63 }
64