user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<aligndistance>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %rdx,%r13
  mov    %r9d,%r15d
  test   %r9d,%r9d
  jle    L21
  mov    %r8,%r14
  mov    $0x0,%r9d
  mov    $0x0,%r8d
  mov    %r15d,%r11d
L174:
  mov    %r14,%rdx
  movslq %r9d,%rsi
  shl    $0x3,%rsi
  lea    0x0(%rbp,%rsi,1),%r10
  lea    (%r12,%rsi,1),%rdi
  add    %r13,%rsi
  mov    $0x0,%eax
  pxor   %xmm3,%xmm3
  cvtsi2sd %r8d,%xmm3
L74:
  movsd  (%rcx),%xmm0
  subsd  (%rdx),%xmm0
  movsd  0x8(%rcx),%xmm2
  subsd  0x8(%rdx),%xmm2
  movsd  0x10(%rcx),%xmm1
  subsd  0x10(%rdx),%xmm1
  mulsd  %xmm0,%xmm0
  mulsd  %xmm2,%xmm2
  addsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%r10,%rax,8)
  movsd  %xmm3,(%rdi,%rax,8)
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  movsd  %xmm0,(%rsi,%rax,8)
  add    $0x1,%rax
  add    $0x18,%rdx
  cmp    %r11,%rax
  jne    L74
  add    %r15d,%r9d
  add    $0x1,%r8d
  add    $0x18,%rcx
  cmp    %r8d,%r15d
  jne    L174
  imul   %r8d,%r8d
L267:
  mov    $0x0,%eax
  movsd  D5(%rip),%xmm1
  mov    -0xc(%rsp),%edx
  jmp    L153
L21:
  imul   %r9d,%r15d
  mov    %r15d,%r8d
  test   %r15d,%r15d
  jg     L267
  movsd  D5(%rip),%xmm3
L235:
  movapd %xmm3,%xmm0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L51:
  add    $0x1,%rax
  cmp    %eax,%r8d
  jle    L57
L153:
  movsd  0x0(%rbp,%rax,8),%xmm0
  comisd %xmm0,%xmm1
  jbe    L51
  cvttsd2si (%r12,%rax,8),%ebx
  cvttsd2si 0x0(%r13,%rax,8),%edx
  movapd %xmm0,%xmm1
  jmp    L51
L57:
  mov    %edx,-0xc(%rsp)
  mov    $0x0,%eax
  movsd  D5(%rip),%xmm3
  jmp    L223
L222:
  cvttsd2si %xmm1,%edi
  mov    %edi,-0x8(%rsp)
  cvttsd2si %xmm2,%edi
  mov    %edi,-0x4(%rsp)
  movapd %xmm0,%xmm3
L137:
  add    $0x1,%rax
  cmp    %eax,%r8d
  jle    L128
L223:
  movsd  0x0(%rbp,%rax,8),%xmm0
  comisd %xmm0,%xmm3
  jbe    L137
  movsd  (%r12,%rax,8),%xmm1
  pxor   %xmm2,%xmm2
  cvtsi2sd %ebx,%xmm2
  ucomisd %xmm2,%xmm1
  jp     L176
  je     L137
L176:
  movsd  0x0(%r13,%rax,8),%xmm2
  pxor   %xmm4,%xmm4
  cvtsi2sdl -0xc(%rsp),%xmm4
  ucomisd %xmm4,%xmm2
  jp     L222
  je     L137
  jmp    L222
L128:
  mov    $0x0,%eax
  movsd  D5(%rip),%xmm3
  jmp    L89
L217:
  movapd %xmm0,%xmm3
L275:
  add    $0x1,%rax
  cmp    %eax,%r8d
  jle    L235
L89:
  movsd  0x0(%rbp,%rax,8),%xmm0
  comisd %xmm0,%xmm3
  jbe    L275
  movsd  (%r12,%rax,8),%xmm1
  pxor   %xmm2,%xmm2
  cvtsi2sd %ebx,%xmm2
  ucomisd %xmm2,%xmm1
  jp     L117
  je     L275
L117:
  movsd  0x0(%r13,%rax,8),%xmm2
  pxor   %xmm4,%xmm4
  cvtsi2sdl -0xc(%rsp),%xmm4
  ucomisd %xmm4,%xmm2
  jp     L207
  je     L275
L207:
  pxor   %xmm4,%xmm4
  cvtsi2sdl -0x8(%rsp),%xmm4
  ucomisd %xmm4,%xmm1
  jp     L269
  je     L275
L269:
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x4(%rsp),%xmm1
  ucomisd %xmm1,%xmm2
  jp     L217
  je     L275
  jmp    L217
```

tool_calls: name: retrieve_data
arguments: data_tag: D5
type_infered: f64

tool: D5: 10000

assistant: ```c
double aligndistance(double *dists, double *distsA, double *distsB, double *x, double *y, int ats) {
  int i, j, k, dind = 0;
  for (i = 0; i < ats; i++) {
    for (j = 0; j < ats; j++) {
      dists[dind] = (x[3 * i] - y[3 * j]) * (x[3 * i] - y[3 * j]) + (x[3 * i + 1] - y[3 * j + 1]) * (x[3 * i + 1] - y[3 * j + 1]) + (x[3 * i + 2] - y[3 * j + 2]) * (x[3 * i + 2] - y[3 * j + 2]);
      distsA[dind] = i;
      distsB[dind] = j;
      dind++;
    }
  }
  double mind = 10000.0;
  int mindi, mindj;
  for (k = 0; k < ats * ats; k++) {
    if (dists[k] < mind) {
      mind = dists[k];
      mindi = distsA[k];
      mindj = distsB[k];
    }
  }
  double mind2 = 10000.0;
  int mind2i, mind2j;
  for (k = 0; k < ats * ats; k++) {
    if ((dists[k] < mind2) && (distsA[k] != mindi) && (distsB[k] != mindj)) {
      mind2 = dists[k];
      mind2i = distsA[k];
      mind2j = distsB[k];
    }
  }
  double mind3 = 10000.0;
  for (k = 0; k < ats * ats; k++) {
    if ((dists[k] < mind3) && (distsA[k] != mindi) && (distsB[k] != mindj) && (distsA[k] != mind2i) && (distsB[k] != mind2j)) {
      mind3 = dists[k];
    }
  }
  return mind3;
}
```