user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<slfit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %ecx,-0x4c(%rbp)
  mov    %r8,-0x58(%rbp)
  mov    %r9d,-0x50(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x30(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x2c(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x28(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x24(%rbp)
  mov    0x18(%rbp),%rax
  pxor   %xmm0,%xmm0
  movss  %xmm0,(%rax)
  movl   $0x0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x20(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0xc(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x8(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x4(%rbp)
  mov    -0x50(%rbp),%eax
  mov    %eax,-0x18(%rbp)
  movl   $0x0,-0x14(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L125
L55:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x48(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  ucomiss D40(%rip),%xmm0
  jp     L151
  ucomiss D40(%rip),%xmm0
  jne    L151
  movl   $0x0,-0x18(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  D21(%rip),%xmm0
  mulss  %xmm1,%xmm0
  movss  %xmm0,(%rax)
L151:
  addl   $0x1,-0x14(%rbp)
L125:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L55
  cmpl   $0x0,-0x18(%rbp)
  je     L53
  movl   $0x0,-0x14(%rbp)
  jmp    L150
L56:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  %xmm0,%xmm1
  movss  D57(%rip),%xmm0
  divss  %xmm1,%xmm0
  movss  %xmm0,-0x8(%rbp)
  movss  -0x24(%rbp),%xmm0
  addss  -0x8(%rbp),%xmm0
  movss  %xmm0,-0x24(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  -0x8(%rbp),%xmm0
  movss  -0x30(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x30(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  -0x8(%rbp),%xmm0
  movss  -0x2c(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x2c(%rbp)
  addl   $0x1,-0x14(%rbp)
L150:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L56
  jmp    L147
L53:
  movl   $0x0,-0x14(%rbp)
  jmp    L186
L136:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  -0x30(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x30(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  -0x2c(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x2c(%rbp)
  addl   $0x1,-0x14(%rbp)
L186:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L136
  pxor   %xmm0,%xmm0
  cvtsi2ssl -0x4c(%rbp),%xmm0
  movss  %xmm0,-0x24(%rbp)
L147:
  movss  -0x30(%rbp),%xmm0
  divss  -0x24(%rbp),%xmm0
  movss  %xmm0,-0x4(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  je     L160
  movl   $0x0,-0x14(%rbp)
  jmp    L69
L148:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  subss  -0x4(%rbp),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  divss  %xmm1,%xmm0
  movss  %xmm0,-0xc(%rbp)
  mov    0x18(%rbp),%rax
  movss  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm2
  divss  %xmm2,%xmm0
  mulss  -0xc(%rbp),%xmm0
  addss  %xmm1,%xmm0
  mov    0x18(%rbp),%rax
  movss  %xmm0,(%rax)
  movss  -0xc(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  -0x28(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x28(%rbp)
  addl   $0x1,-0x14(%rbp)
L69:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L148
  jmp    L32
L160:
  movl   $0x0,-0x14(%rbp)
  jmp    L29
L121:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  subss  -0x4(%rbp),%xmm0
  movss  %xmm0,-0xc(%rbp)
  movss  -0xc(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  -0x28(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x28(%rbp)
  mov    0x18(%rbp),%rax
  movss  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  -0xc(%rbp),%xmm0
  addss  %xmm1,%xmm0
  mov    0x18(%rbp),%rax
  movss  %xmm0,(%rax)
  addl   $0x1,-0x14(%rbp)
L29:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L121
L32:
  mov    0x18(%rbp),%rax
  movss  (%rax),%xmm0
  divss  -0x28(%rbp),%xmm0
  mov    0x18(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    0x18(%rbp),%rax
  movss  (%rax),%xmm0
  movaps %xmm0,%xmm1
  mulss  -0x30(%rbp),%xmm1
  movss  -0x2c(%rbp),%xmm0
  subss  %xmm1,%xmm0
  divss  -0x24(%rbp),%xmm0
  mov    0x10(%rbp),%rax
  movss  %xmm0,(%rax)
  movss  -0x30(%rbp),%xmm0
  mulss  %xmm0,%xmm0
  movss  -0x24(%rbp),%xmm1
  mulss  -0x28(%rbp),%xmm1
  divss  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D42(%rip),%xmm0
  addsd  %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd -0x24(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  pxor   %xmm3,%xmm3
  cvtsd2ss %xmm0,%xmm3
  movd   %xmm3,%eax
  movd   %eax,%xmm0
  call   <sqrt@plt>
  movd   %xmm0,%eax
  mov    0x20(%rbp),%rdx
  mov    %eax,(%rdx)
  movss  D57(%rip),%xmm0
  divss  -0x28(%rbp),%xmm0
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  call   <sqrt@plt>
  movd   %xmm0,%eax
  mov    0x28(%rbp),%rdx
  mov    %eax,(%rdx)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jne    L44
  movl   $0x0,-0x14(%rbp)
  jmp    L18
L22:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mov    0x10(%rbp),%rax
  movss  (%rax),%xmm1
  subss  %xmm1,%xmm0
  mov    0x18(%rbp),%rax
  movss  (%rax),%xmm2
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mulss  %xmm2,%xmm1
  subss  %xmm1,%xmm0
  addss  -0x1c(%rbp),%xmm0
  movd   %xmm0,%eax
  mov    $0x2,%edi
  movd   %eax,%xmm0
  call   <pow@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x1c(%rbp)
  addl   $0x1,-0x14(%rbp)
L18:
  mov    -0x14(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L22
  movl   $0x1,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x20(%rbp)
  cmpl   $0x2,-0x4c(%rbp)
  jle    L23
  mov    -0x4c(%rbp),%eax
  sub    $0x2,%eax
  pxor   %xmm1,%xmm1
  cvtsi2ss %eax,%xmm1
  movss  -0x1c(%rbp),%xmm0
  divss  %xmm1,%xmm0
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  call   <sqrt@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x20(%rbp)
L23:
  mov    0x20(%rbp),%rax
  movss  (%rax),%xmm0
  mulss  -0x20(%rbp),%xmm0
  mov    0x20(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    0x28(%rbp),%rax
  movss  (%rax),%xmm0
  mulss  -0x20(%rbp),%xmm0
  mov    0x28(%rbp),%rax
  movss  %xmm0,(%rax)
L44:
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D40
data_type: byte[4]
name: retrieve_data
arguments: tag: D21
data_type: f32
name: retrieve_data
arguments: tag: D57
data_type: f32
name: retrieve_data
arguments: tag: D42
data_type: f32[2]

tool: {"D40": [0x00,0xc0,0x79,0xc4]}

tool: D21: 0.75

tool: D57: 1

tool: {"D42": [0.0,1.875]}

assistant: ```c
void slfit(float *x, float *y, float *z, int ndata, float *sig, int weight, float *a, float *b, float *siga, float *sigb) {
  float sx = .0f;
  float sy = .0f;
  float st2 = .0f;
  float ss = .0f;
  *b = .0f;
  int q = 0;
  float sigdat = 0.0f;
  float t = 0.0f;
  float wt = 0.0f;
  float chi2 = 0.0f;
  float sxoss = 0.0f;
  int useweight = weight;
  int i = 0;
  for (i = 0; i < ndata; i++) {
    *(z + i) = *(y + i);
    if (*(sig + i) == -999.0) {
      useweight = 0;
      *(z + i) = 0.75 * (*(y + i));
    }
  }
  if (useweight) {
    for (i = 0; i < ndata; i++) {
      wt = 1.0 / (*(sig + i) * (*(sig + i)));
      ss = ss + wt;
      sx = sx + *(x + i) * wt;
      sy = sy + *(z + i) * wt;
    }
  } else {
    for (i = 0; i < ndata; i++) {
      sx = sx + *(x + i);
      sy = sy + *(z + i);
    }
    ss = (float)ndata;
  }
  sxoss = sx / ss;
  if (useweight) {
    for (i = 0; i < ndata; i++) {
      t = (*(x + i) - sxoss) / *(sig + i);
      *b = *b + t * (*(z + i) / *(sig + i));
      st2 = st2 + t * t;
    }
  } else {
    for (i = 0; i < ndata; i++) {
      t = (*(x + i) - sxoss);
      st2 = st2 + t * t;
      *b = *b + t * (*(z + i));
    }
  }
  *b = *b / st2;
  *a = (sy - sx * (*b)) / ss;
  *siga = sqrt((1.0 + sx * sx / (ss * st2)) / ss);
  *sigb = sqrt(1.0 / st2);
  chi2 = 0.0;
  if (!useweight) {
    for (i = 0; i < ndata; i++) {
      chi2 = pow((chi2 + ((*(z + i)) - *a - *b * (*(x + i)))), 2);
    }
    q = 1;
    sigdat = 0.0f;
    if (ndata > 2)
      sigdat = sqrt(chi2 / (ndata - 2));
    *siga = *siga * sigdat;
    *sigb = *sigb * sigdat;
  }
}
```