user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ludcmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %rdx,-0x58(%rbp)
  movl   $0x0,-0x34(%rbp)
  mov    -0x4c(%rbp),%eax
  mov    $0x8,%esi
  mov    %eax,%edi
  call   <mCalloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x58(%rbp),%rax
  movsd  D46(%rip),%xmm0
  movsd  %xmm0,(%rax)
  movl   $0x0,-0x38(%rbp)
  jmp    L66
L209:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movl   $0x0,-0x30(%rbp)
  jmp    L178
L234:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movq   D10(%rip),%xmm1
  andpd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x8(%rbp),%xmm0
  comisd -0x28(%rbp),%xmm0
  jbe    L21
  movsd  -0x8(%rbp),%xmm0
  movsd  %xmm0,-0x28(%rbp)
L21:
  addl   $0x1,-0x30(%rbp)
L178:
  mov    -0x30(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L234
  pxor   %xmm0,%xmm0
  ucomisd -0x28(%rbp),%xmm0
  jp     L251
  pxor   %xmm0,%xmm0
  ucomisd -0x28(%rbp),%xmm0
  jne    L251
  lea    D79(%rip),%rax
  mov    %rax,%rdi
  call   <Exit@plt>
L251:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  D46(%rip),%xmm0
  divsd  -0x28(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x38(%rbp)
L66:
  mov    -0x38(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L209
  movl   $0x0,-0x30(%rbp)
  jmp    L213
L148:
  movl   $0x0,-0x38(%rbp)
  jmp    L140
L204:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L91
L77:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x20(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  addl   $0x1,-0x2c(%rbp)
L91:
  mov    -0x2c(%rbp),%eax
  cmp    -0x38(%rbp),%eax
  jl     L77
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x38(%rbp)
L140:
  mov    -0x38(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L204
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x30(%rbp),%eax
  mov    %eax,-0x38(%rbp)
  jmp    L16
L218:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L170
L108:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x20(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  addl   $0x1,-0x2c(%rbp)
L170:
  mov    -0x2c(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L108
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movsd  -0x20(%rbp),%xmm0
  movq   D10(%rip),%xmm2
  andpd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  comisd -0x28(%rbp),%xmm0
  jb     L231
  movsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x38(%rbp),%eax
  mov    %eax,-0x34(%rbp)
L231:
  addl   $0x1,-0x38(%rbp)
L16:
  mov    -0x38(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L218
  mov    -0x30(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  je     L55
  movl   $0x0,-0x2c(%rbp)
  jmp    L135
L157:
  mov    -0x34(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%rdx
  mov    -0x34(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x48(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rcx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x2c(%rbp)
L135:
  mov    -0x2c(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L157
  mov    -0x58(%rbp),%rax
  movsd  (%rax),%xmm0
  movq   D0(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  mov    -0x58(%rbp),%rax
  movsd  %xmm0,(%rax)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x34(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
L55:
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  pxor   %xmm1,%xmm1
  ucomisd %xmm1,%xmm0
  jp     L151
  pxor   %xmm1,%xmm1
  ucomisd %xmm1,%xmm0
  jne    L151
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  D61(%rip),%xmm0
  movsd  %xmm0,(%rax)
L151:
  mov    -0x30(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  je     L132
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movsd  D46(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x30(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x38(%rbp)
  jmp    L141
L28:
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x38(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  mulsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x38(%rbp)
L141:
  mov    -0x38(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L28
L132:
  addl   $0x1,-0x30(%rbp)
L213:
  mov    -0x30(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L148
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D46
type: f64
name: parse_data
arguments: data_label: D10
type: qword
name: parse_data
arguments: data_label: D79
type: string
name: parse_data
arguments: data_label: D0
type: f32[2]
name: parse_data
arguments: data_label: D61
type: byte[8]

tool: D46: 1

tool: D10: 9223372036854775807

tool: D79: Singular matrix in routine LUDCMP.

tool: {"D0": [0.0,-0.0]}

tool: {"D61": [0x23,0x42,0x92,0x0c,0xa1,0x9c,0xc7,0x3b]}

assistant: ```c
int ludcmp(double **a, int n, double *d) {
  int i, imax, j, k;
  double big, dum, sum, temp;
  double *vv;
  imax = 0;
  vv = (double *)mCalloc(n, sizeof(double));
  *d = 1.0;
  for (i = 0; i < n; i++) {
    big = 0.0;
    for (j = 0; j < n; j++)
      if ((temp = fabs(a[i][j])) > big)
        big = temp;
    if (big == 0.0)
      Exit((char *)"Singular matrix in routine LUDCMP.");
    vv[i] = 1.0 / big;
  }
  for (j = 0; j < n; j++) {
    for (i = 0; i < j; i++) {
      sum = a[i][j];
      for (k = 0; k < i; k++)
        sum -= a[i][k] * a[k][j];
      a[i][j] = sum;
    }
    big = 0.0;
    for (i = j; i < n; i++) {
      sum = a[i][j];
      for (k = 0; k < j; k++)
        sum -= a[i][k] * a[k][j];
      a[i][j] = sum;
      if ((dum = vv[i] * fabs(sum)) >= big) {
        big = dum;
        imax = i;
      }
    }
    if (j != imax) {
      for (k = 0; k < n; k++) {
        dum = a[imax][k];
        a[imax][k] = a[j][k];
        a[j][k] = dum;
      }
      *d = -(*d);
      vv[imax] = vv[j];
    }
    if (a[j][j] == 0.0)
      a[j][j] = 1.0e-20;
    ;
    if (j != n) {
      dum = 1.0 / (a[j][j]);
      for (i = j + 1; i < n; i++)
        a[i][j] *= dum;
    }
  }
  free(vv);
  return (0);
}
```