text: // Auto-generated file. Do not edit!
  //   Template: src/f32-gemm/scalar.c.in
  //   Generator: tools/xngen
  //
  // Copyright 2019 Google LLC
  //
  // This source code is licensed under the BSD-style license found in the
  // LICENSE file in the root directory of this source tree.
  
  #include <assert.h>
  
  #include <xnnpack/gemm.h>
  #include <xnnpack/math.h>
  
  
  void xnn_f32_gemm_minmax_ukernel_2x4__scalar(
      size_t mr,
      size_t nc,
      size_t kc,
      const float* restrict a,
      size_t a_stride,
      const float* restrict w,
      float* restrict c,
      size_t cm_stride,
      size_t cn_stride,
      const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
  {
    assert(mr != 0);
    assert(mr <= 2);
    assert(nc != 0);
    assert(kc != 0);
    assert(kc % sizeof(float) == 0);
    assert(a != NULL);
    assert(w != NULL);
    assert(c != NULL);
  
    const float* a0 = a;
    float* c0 = c;
    const float* a1 = (const float*) ((uintptr_t) a0 + a_stride);
    float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
    if XNN_UNPREDICTABLE(mr != 2) {
      a1 = a0;
      c1 = c0;
    }
  
    const float vmin = params->scalar.min;
    const float vmax = params->scalar.max;
    do {
      float vacc00 = w[0];
      float vacc01 = w[1];
      float vacc02 = w[2];
      float vacc03 = w[3];
      w += 4;
      float vacc10 = vacc00;
      float vacc11 = vacc01;
      float vacc12 = vacc02;
      float vacc13 = vacc03;
  
      size_t k = kc;
      do {
        const float va0 = *a0++;
        const float va1 = *a1++;
  
        const float vb0 = w[0];
        const float vb1 = w[1];
        const float vb2 = w[2];
        const float vb3 = w[3];
        w += 4;
  
        vacc00 += va0 * vb0;
        vacc01 += va0 * vb1;
        vacc02 += va0 * vb2;
        vacc03 += va0 * vb3;
        vacc10 += va1 * vb0;
        vacc11 += va1 * vb1;
        vacc12 += va1 * vb2;
        vacc13 += va1 * vb3;
  
        k -= sizeof(float);
      } while (k != 0);
  
      vacc00 = math_max_f32(vacc00, vmin);
      vacc01 = math_max_f32(vacc01, vmin);
      vacc02 = math_max_f32(vacc02, vmin);
      vacc03 = math_max_f32(vacc03, vmin);
      vacc10 = math_max_f32(vacc10, vmin);
      vacc11 = math_max_f32(vacc11, vmin);
      vacc12 = math_max_f32(vacc12, vmin);
      vacc13 = math_max_f32(vacc13, vmin);
  
      vacc00 = math_min_f32(vacc00, vmax);
      vacc01 = math_min_f32(vacc01, vmax);
      vacc02 = math_min_f32(vacc02, vmax);
      vacc03 = math_min_f32(vacc03, vmax);
      vacc10 = math_min_f32(vacc10, vmax);
      vacc11 = math_min_f32(vacc11, vmax);
      vacc12 = math_min_f32(vacc12, vmax);
      vacc13 = math_min_f32(vacc13, vmax);
  
      if XNN_LIKELY(nc >= 4) {
        c1[0] = vacc10;
        c1[1] = vacc11;
        c1[2] = vacc12;
        c1[3] = vacc13;
        c1 = (float*) ((uintptr_t) c1 + cn_stride);
        c0[0] = vacc00;
        c0[1] = vacc01;
        c0[2] = vacc02;
        c0[3] = vacc03;
        c0 = (float*) ((uintptr_t) c0 + cn_stride);
  
        a1 = (const void*) ((uintptr_t) a1 - kc);
        a0 = (const void*) ((uintptr_t) a0 - kc);
  
        nc -= 4;
      } else {
        if (nc & 2) {
          c1[0] = vacc10;
          c1[1] = vacc11;
          vacc10 = vacc12;
          c1 += 2;
          c0[0] = vacc00;
          c0[1] = vacc01;
          vacc00 = vacc02;
          c0 += 2;
        }
        if (nc & 1) {
          c1[0] = vacc10;
          c0[0] = vacc00;
        }
  
        nc = 0;
      }
    } while (nc != 0);
  }
  