user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r15
  lea    D13(%rip),%rsi
  lea    D132(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L27
L28:
  lea    0x40(%rsp),%r12
  mov    %rbp,%rdx
  mov    $0x50,%esi
  mov    %r12,%rdi
  lea    D8(%rip),%rbx
  lea    D99(%rip),%r13
  call   <fgets@plt>
  jmp    L62
  nopl   0x0(%rax)
L82:
  mov    %r12,%rdi
  mov    %rbp,%rdx
  mov    $0x50,%esi
  call   <fgets@plt>
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L83
L62:
  mov    $0x1a,%edx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L82
  lea    0x24(%rsp),%rdx
  lea    D57(%rip),%rsi
  mov    %rbp,%rdi
  call   <fscanf@plt>
  mov    %r12,%rsi
  lea    D6(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  sub    $0x8,%rsp
  lea    D104(%rip),%rax
  lea    D167(%rip),%rcx
  push   %rax
  lea    D56(%rip),%rdx
  xor    %eax,%eax
  lea    D137(%rip),%r9
  lea    D75(%rip),%r8
  lea    D60(%rip),%rsi
  lea    D68(%rip),%rdi
  call   <printf@plt>
  pop    %rax
  pop    %rdx
  mov    0x24(%rsp),%ecx
  test   %ecx,%ecx
  jle    L8
  lea    0x38(%rsp),%rax
  mov    $0x1,%ebx
  lea    0x30(%rsp),%r8
  mov    %rax,0x18(%rsp)
  lea    0x34(%rsp),%rax
  lea    0x2c(%rsp),%r15
  mov    %rax,0x10(%rsp)
  lea    0x28(%rsp),%r14
  lea    0x3c(%rsp),%r12
  lea    D7(%rip),%r13
  nopw   0x0(%rax,%rax,1)
L63:
  mov    %r15,%rcx
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  mov    %r8,0x8(%rsp)
  add    $0x1,%ebx
  call   <fscanf@plt>
  movss  D18(%rip),%xmm1
  mov    0x18(%rsp),%rsi
  mov    %r12,%rdx
  subss  0x28(%rsp),%xmm1
  mov    0x10(%rsp),%rdi
  movss  0x2c(%rsp),%xmm0
  movss  %xmm1,0x4(%rsp)
  call   <sncndn@plt>
  movss  0x34(%rsp),%xmm3
  mov    $0x6,%eax
  movss  0x28(%rsp),%xmm5
  movss  0x3c(%rsp),%xmm2
  movss  0x38(%rsp),%xmm0
  lea    D163(%rip),%rdi
  mulss  %xmm3,%xmm5
  movaps %xmm3,%xmm4
  movss  0x4(%rsp),%xmm1
  mulss  %xmm2,%xmm2
  mulss  %xmm3,%xmm4
  mulss  %xmm0,%xmm0
  mulss  %xmm3,%xmm5
  cvtss2sd %xmm3,%xmm3
  addss  %xmm0,%xmm4
  pxor   %xmm0,%xmm0
  cvtss2sd %xmm1,%xmm0
  pxor   %xmm1,%xmm1
  addss  %xmm2,%xmm5
  pxor   %xmm2,%xmm2
  cvtss2sd 0x2c(%rsp),%xmm1
  cvtss2sd %xmm4,%xmm4
  cvtss2sd 0x30(%rsp),%xmm2
  cvtss2sd %xmm5,%xmm5
  call   <printf@plt>
  cmp    %ebx,0x24(%rsp)
  mov    0x8(%rsp),%r8
  jge    L63
L8:
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L51
  add    $0xa8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L83:
  mov    %r13,%rdi
  call   <nrerror@plt>
  jmp    L62
L27:
  lea    D98(%rip),%rdi
  call   <nrerror@plt>
  jmp    L28
L51:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D13
type_guessed: string
name: read_data
arguments: label: D132
type_guessed: string
name: read_data
arguments: label: D8
type_guessed: string
name: read_data
arguments: label: D99
type_guessed: string
name: read_data
arguments: label: D57
type_guessed: string
name: read_data
arguments: label: D6
type_guessed: string
name: read_data
arguments: label: D104
type_guessed: string
name: read_data
arguments: label: D167
type_guessed: string
name: read_data
arguments: label: D56
type_guessed: string
name: read_data
arguments: label: D137
type_guessed: string
name: read_data
arguments: label: D75
type_guessed: string
name: read_data
arguments: label: D60
type_guessed: string
name: read_data
arguments: label: D68
type_guessed: string
name: read_data
arguments: label: D7
type_guessed: string
name: read_data
arguments: label: D18
type_guessed: f32
name: read_data
arguments: label: D163
type_guessed: string
name: read_data
arguments: label: D98
type_guessed: string

tool: D13: r

tool: D132: fncval.dat

tool: D8: Jacobian Elliptic Function

tool: D99: Data not found in fncval.dat


tool: D57: %d %*s

tool: D6: 
%s


tool: D104: (mc)*(sn^2)+dn^2

tool: D167: actual

tool: D56: u

tool: D137: sn^2+cn^2

tool: D75: sn

tool: D60: mc

tool: D68: %4s %8s %16s %13s %15s %18s


tool: D7: %f %f %f

tool: D18: 1

tool: D163: %5.2f %8.2f %15.5f %15.5f %12.5f %14.5f


tool: D98: Data file fncval.dat not found


assistant: ```c
int main(void) {
  char txt[80];
  int i, nval;
  float em, emmc, uu, val, sn, cn, dn;
  FILE *fp;
  if ((fp = fopen("fncval.dat", "r")) == NULL)
    nrerror("Data file fncval.dat not found\n");
  fgets(txt, 80, fp);
  while (strncmp(txt, "Jacobian Elliptic Function", 26)) {
    fgets(txt, 80, fp);
    if (feof(fp))
      nrerror("Data not found in fncval.dat\n");
  }
  fscanf(fp, "%d %*s", &nval);
  printf("\n%s\n", txt);
  printf("%4s %8s %16s %13s %15s %18s\n", "mc", "u", "actual", "sn", "sn^2+cn^2", "(mc)*(sn^2)+dn^2");
  for (i = 1; i <= nval; i++) {
    fscanf(fp, "%f %f %f", &em, &uu, &val);
    emmc = 1.0 - em;
    sncndn(uu, emmc, &sn, &cn, &dn);
    printf("%5.2f %8.2f %15.5f %15.5f %12.5f %14.5f\n", emmc, uu, val, sn, (sn * sn + cn * cn), (em * sn * sn + dn * dn));
  }
  fclose(fp);
  return 0;
}
```