user: What would the C source look like for the assembly code provided here?

```asm
<mrqcof>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %r9,%rbx
  sub    $0x68,%rsp
  mov    0xb8(%rsp),%rax
  mov    %rdi,0x18(%rsp)
  mov    $0x1,%edi
  mov    %rsi,0x20(%rsp)
  mov    0xa0(%rsp),%r12d
  mov    %rax,0x10(%rsp)
  mov    0xc0(%rsp),%rax
  mov    %rdx,0x28(%rsp)
  mov    %r12d,%esi
  mov    0xa8(%rsp),%r14
  mov    %ecx,0xc(%rsp)
  mov    0xb0(%rsp),%rbp
  mov    %r8,0x30(%rsp)
  mov    %rax,0x38(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x58(%rsp)
  xor    %eax,%eax
  call   <vector@plt>
  mov    %rax,%r13
  test   %r12d,%r12d
  jle    L262
  lea    -0x1(%r12),%eax
  cmp    $0x2,%eax
  jbe    L202
  mov    %r12d,%edx
  pxor   %xmm1,%xmm1
  lea    0x4(%rbx),%rax
  shr    $0x2,%edx
  movdqa %xmm1,%xmm2
  sub    $0x1,%edx
  shl    $0x4,%rdx
  lea    0x14(%rbx,%rdx,1),%rdx
  nopl   0x0(%rax)
L294:
  movdqu (%rax),%xmm0
  add    $0x10,%rax
  pcmpeqd %xmm2,%xmm0
  pcmpeqd %xmm2,%xmm0
  psubd  %xmm0,%xmm1
  cmp    %rax,%rdx
  jne    L294
  movdqa %xmm1,%xmm0
  mov    %r12d,%edx
  psrldq $0x8,%xmm0
  and    $0xfffffffc,%edx
  paddd  %xmm0,%xmm1
  lea    0x1(%rdx),%eax
  movdqa %xmm1,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm1
  movd   %xmm1,0x4c(%rsp)
  cmp    %r12d,%edx
  je     L252
L134:
  movslq %eax,%rdx
  mov    (%rbx,%rdx,4),%r15d
  lea    0x0(,%rdx,4),%rcx
  test   %r15d,%r15d
  jne    L279
  add    $0x1,%eax
  cmp    %r12d,%eax
  jg     L252
  mov    0x4(%rbx,%rcx,1),%r11d
  test   %r11d,%r11d
  je     L167
L150:
  addl   $0x1,0x4c(%rsp)
  cmp    %eax,%r12d
  jle    L194
L98:
  cmpl   $0x1,0x8(%rbx,%rcx,1)
  sbbl   $0xffffffff,0x4c(%rsp)
L252:
  mov    0x4c(%rsp),%r10d
  test   %r10d,%r10d
  jle    L52
L194:
  mov    0x4c(%rsp),%eax
  mov    %rbx,0x40(%rsp)
  lea    0x1(%rax),%r15d
  lea    0x0(,%r15,8),%rax
  mov    $0x8,%r15d
  mov    %rax,%rbx
  mov    %r14,%rax
  mov    %r12d,%r14d
  mov    %rax,%r12
  nopw   0x0(%rax,%rax,1)
L81:
  mov    (%r12,%r15,1),%rax
  mov    %r15,%rdx
  xor    %esi,%esi
  lea    0x8(%rax),%rdi
  call   <memset@plt>
  movq   $0x0,0x0(%rbp,%r15,1)
  add    $0x8,%r15
  cmp    %r15,%rbx
  jne    L81
  mov    %r12,%rax
  mov    0x40(%rsp),%rbx
  mov    %r14d,%r12d
  mov    %rax,%r14
L52:
  mov    0x10(%rsp),%rax
  mov    0xc(%rsp),%r8d
  movq   $0x0,(%rax)
  test   %r8d,%r8d
  jle    L144
L295:
  lea    0x50(%rsp),%rax
  mov    $0x1,%r15d
  mov    %rax,0x40(%rsp)
  lea    0x2(%r12),%eax
  mov    %eax,0x48(%rsp)
  nopl   (%rax)
L114:
  mov    0x18(%rsp),%rax
  mov    %r13,%rdx
  mov    0x40(%rsp),%rsi
  mov    %r12d,%ecx
  mov    0x30(%rsp),%rdi
  movsd  (%rax,%r15,8),%xmm0
  mov    0x38(%rsp),%rax
  call   *%rax
  mov    0x28(%rsp),%rax
  mov    0x48(%rsp),%r10d
  xor    %r11d,%r11d
  movsd  D3(%rip),%xmm3
  mov    $0x2,%edx
  movsd  (%rax,%r15,8),%xmm0
  mov    0x20(%rsp),%rax
  mulsd  %xmm0,%xmm0
  divsd  %xmm0,%xmm3
  movsd  (%rax,%r15,8),%xmm0
  movapd %xmm0,%xmm2
  subsd  0x50(%rsp),%xmm2
  test   %r12d,%r12d
  jg     L189
  jmp    L192
  nopl   0x0(%rax)
L28:
  add    $0x1,%rdx
  cmp    %rdx,%r10
  je     L192
L189:
  mov    -0x4(%rbx,%rdx,4),%edi
  test   %edi,%edi
  je     L28
  movsd  -0x8(%r13,%rdx,8),%xmm1
  add    $0x1,%r11d
  mov    $0x1,%eax
  xor    %ecx,%ecx
  movslq %r11d,%rdi
  mulsd  %xmm3,%xmm1
  shl    $0x3,%rdi
  lea    (%r14,%rdi,1),%r8
  nopw   0x0(%rax,%rax,1)
L105:
  mov    (%rbx,%rax,4),%esi
  test   %esi,%esi
  je     L27
  mov    (%r8),%rsi
  movsd  0x0(%r13,%rax,8),%xmm0
  add    $0x1,%ecx
  movslq %ecx,%r9
  lea    (%rsi,%r9,8),%rsi
  mulsd  %xmm1,%xmm0
  addsd  (%rsi),%xmm0
  movsd  %xmm0,(%rsi)
L27:
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L105
  mulsd  %xmm2,%xmm1
  add    %rbp,%rdi
  add    $0x1,%rdx
  addsd  (%rdi),%xmm1
  movsd  %xmm1,(%rdi)
  cmp    %rdx,%r10
  jne    L189
L192:
  mulsd  %xmm2,%xmm2
  mov    0x10(%rsp),%rax
  add    $0x1,%r15
  mulsd  %xmm3,%xmm2
  addsd  (%rax),%xmm2
  movsd  %xmm2,(%rax)
  cmp    %r15d,0xc(%rsp)
  jge    L114
L144:
  mov    0x4c(%rsp),%eax
  mov    $0x2,%ecx
  lea    0x1(%rax),%r8d
  cmp    $0x1,%eax
  jle    L115
  cs nopw 0x0(%rax,%rax,1)
L74:
  mov    (%r14,%rcx,8),%rsi
  lea    0x0(,%rcx,8),%rdi
  mov    $0x1,%eax
  nopl   0x0(%rax)
L276:
  movsd  (%rsi,%rax,8),%xmm0
  mov    (%r14,%rax,8),%rdx
  add    $0x1,%rax
  movsd  %xmm0,(%rdx,%rdi,1)
  cmp    %rcx,%rax
  jne    L276
  add    $0x1,%rcx
  cmp    %rcx,%r8
  jne    L74
L115:
  mov    %r12d,%edx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <free_vector@plt>
  mov    0x58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L186
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L279:
  add    $0x1,%eax
  addl   $0x1,0x4c(%rsp)
  cmp    %eax,%r12d
  jl     L194
  mov    0x4(%rbx,%rcx,1),%r11d
  test   %r11d,%r11d
  jne    L150
L167:
  cmp    %eax,%r12d
  jg     L98
  jmp    L252
L262:
  mov    0x10(%rsp),%rax
  mov    0xc(%rsp),%r9d
  movl   $0x0,0x4c(%rsp)
  movq   $0x0,(%rax)
  test   %r9d,%r9d
  jg     L295
  jmp    L115
L202:
  movl   $0x0,0x4c(%rsp)
  mov    $0x1,%eax
  jmp    L134
L186:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D3
type: f64

tool: D3: 1

assistant: ```c
void mrqcof(double x[], double y[], double sig[], int ndata, double a[], int ia[], int ma, double **alpha, double beta[], double *chisq, void (*funcs)(double, double[], double *, double[], int)) {
  int i, j, k, l, m, mfit = 0;
  double ymod, wt, sig2i, dy, *dyda;
  dyda = vector(1, ma);
  for (j = 1; j <= ma; j++)
    if (ia[j])
      mfit++;
  for (j = 1; j <= mfit; j++) {
    for (k = 1; k <= j; k++)
      alpha[j][k] = 0.0;
    beta[j] = 0.0;
  }
  *chisq = 0.0;
  for (i = 1; i <= ndata; i++) {
    (*funcs)(x[i], a, &ymod, dyda, ma);
    sig2i = 1.0 / (sig[i] * sig[i]);
    dy = y[i] - ymod;
    for (j = 0, l = 1; l <= ma; l++) {
      if (ia[l]) {
        wt = dyda[l] * sig2i;
        for (j++, k = 0, m = 1; m <= l; m++)
          if (ia[m])
            alpha[j][++k] += wt * dyda[m];
        beta[j] += dy * wt;
      }
    }
    *chisq += dy * dy * sig2i;
  }
  for (j = 2; j <= mfit; j++)
    for (k = 1; k < j; k++)
      alpha[k][j] = alpha[j][k];
  free_vector(dyda, 1, ma);
}
```