1 // Auto-generated file. Do not edit! 2 // Template: src/f32-vunary/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/common.h> 13 #include <xnnpack/math.h> 14 #include <xnnpack/vunary.h> 15 16 xnn_f32_vneg_ukernel__scalar_x4(size_t n,const float * x,float * y,const union xnn_f32_neg_params params[restrict XNN_MIN_ELEMENTS (1)])17void xnn_f32_vneg_ukernel__scalar_x4( 18 size_t n, 19 const float* x, 20 float* y, 21 const union xnn_f32_neg_params params[restrict XNN_MIN_ELEMENTS(1)]) 22 { 23 assert(n != 0); 24 assert(n % sizeof(float) == 0); 25 assert(x != NULL); 26 assert(y != NULL); 27 28 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { 29 const float vx0 = x[0]; 30 const float vx1 = x[1]; 31 const float vx2 = x[2]; 32 const float vx3 = x[3]; 33 x += 4; 34 35 const float vy0 = -vx0; 36 const float vy1 = -vx1; 37 const float vy2 = -vx2; 38 const float vy3 = -vx3; 39 40 y[0] = vy0; 41 y[1] = vy1; 42 y[2] = vy2; 43 y[3] = vy3; 44 y += 4; 45 } 46 if XNN_UNLIKELY(n != 0) { 47 do { 48 const float vx = *x++; 49 const float vy = -vx; 50 *y++ = vy; 51 n -= sizeof(float); 52 } while (n != 0); 53 } 54 } 55