user: What is the c source code of the assembly code below?

```asm
<test_1>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  lea    D30(%rip),%rsi
  lea    D24(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r12
  lea    0x0(,%rbx,8),%r14d
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,%r13
  lea    -0x1(%rbx),%r15d
  lea    0x0(,%r15,8),%ebp
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %rax,(%rsp)
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %rax,0x8(%rsp)
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    %r14d,%edi
  call   <malloc@plt>
  mov    %rax,%r14
  mov    %r12,%rcx
  mov    %ebx,%edx
  mov    $0x8,%esi
  mov    %r13,%rdi
  call   <fread@plt>
  mov    %r12,%rcx
  mov    %r15d,%edx
  mov    $0x8,%esi
  mov    (%rsp),%rdi
  call   <fread@plt>
  mov    %r12,%rcx
  mov    %r15d,%edx
  mov    $0x8,%esi
  mov    0x8(%rsp),%r15
  mov    %r15,%rdi
  call   <fread@plt>
  mov    %r12,%rcx
  mov    %ebx,%edx
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  mov    %r12,%rcx
  mov    %ebx,%edx
  mov    $0x8,%esi
  mov    %r14,%rdi
  call   <fread@plt>
  mov    %ebx,%r8d
  mov    %rbp,%rcx
  mov    (%rsp),%rdx
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <thomas_alg@plt>
  test   %ebx,%ebx
  jle    L24
  mov    %ebx,%eax
  lea    0x0(%rbp,%rax,8),%rcx
  mov    %rbp,%rax
  pxor   %xmm0,%xmm0
  mov    %r14,%rdx
  sub    %rbp,%rdx
L9:
  movsd  (%rax),%xmm1
  subsd  (%rdx,%rax,1),%xmm1
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  add    $0x8,%rax
  cmp    %rcx,%rax
  jne    L9
L6:
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm1
  divsd  %xmm1,%xmm0
  movsd  D39(%rip),%xmm1
  call   <pow@plt>
  lea    D11(%rip),%rdi
  call   <printf@plt>
  mov    %r13,%rdi
  call   <free@plt>
  mov    (%rsp),%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  pxor   %xmm0,%xmm0
  jmp    L6
```

tool_calls: name: parse_data
arguments: tag: D30
data_type: string
name: parse_data
arguments: tag: D24
data_type: string
name: parse_data
arguments: tag: D39
data_type: f32[2]
name: parse_data
arguments: tag: D11
data_type: string

tool: D30: r

tool: D24: input.dat

tool: {"D39": [0.0,1.75]}

tool: D11: Error is %.5e


assistant: ```c
void test_1(int n) {
  FILE *f = fopen("input.dat", "r");
  double *md = (double *)malloc(sizeof(double) * n);
  double *ud = (double *)malloc(sizeof(double) * (n - 1));
  double *ld = (double *)malloc(sizeof(double) * (n - 1));
  double *fd = (double *)malloc(sizeof(double) * n);
  double *ans = (double *)malloc(sizeof(double) * n);
  fread(md, sizeof(double), n, f);
  fread(ud, sizeof(double), (n - 1), f);
  fread(ld, sizeof(double), (n - 1), f);
  fread(fd, sizeof(double), n, f);
  fread(ans, sizeof(double), n, f);
  thomas_alg(ld, md, ud, fd, n);
  int i;
  double err = 0;
  for (i = 0; i < n; i++)
    err += (fd[i] - ans[i]) * (fd[i] - ans[i]);
  err = pow(err / n, .5);
  printf("Error is %.5e\n", err);
  free(md);
  free(ud);
  free(ld);
  free(fd);
  free(ans);
  return;
}
```