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

```asm
<nbodyC>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %rdx,-0x58(%rbp)
  mov    %ecx,-0x5c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x10(%rbp)
  movl   $0x0,-0x34(%rbp)
  jmp    L26
L89:
  lea    -0x20(%rbp),%rax
  mov    $0x18,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  movl   $0x0,-0x30(%rbp)
  jmp    L78
L108:
  mov    -0x30(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  je     L45
  mov    -0x30(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  mov    $0x2,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  movsd  %xmm0,-0x68(%rbp)
  mov    -0x30(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movapd %xmm0,%xmm3
  subsd  %xmm1,%xmm3
  movq   %xmm3,%rax
  mov    $0x2,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  movapd %xmm0,%xmm4
  addsd  -0x68(%rbp),%xmm4
  movsd  %xmm4,-0x68(%rbp)
  mov    -0x30(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  add    $0x2,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rax
  mov    $0x2,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  addsd  -0x68(%rbp),%xmm0
  movq   %xmm0,%rax
  mov    $0x1,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x28(%rbp)
  pxor   %xmm0,%xmm0
  ucomisd -0x28(%rbp),%xmm0
  jp     L33
  pxor   %xmm0,%xmm0
  ucomisd -0x28(%rbp),%xmm0
  jne    L33
  mov    $0xffffffff,%eax
  jmp    L4
L33:
  movl   $0x0,-0x2c(%rbp)
  jmp    L139
L73:
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  -0x20(%rbp,%rax,8),%xmm1
  mov    -0x30(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  subsd  %xmm2,%xmm0
  movapd %xmm0,%xmm2
  divsd  -0x28(%rbp),%xmm2
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  %xmm0,-0x20(%rbp,%rax,8)
  addl   $0x1,-0x2c(%rbp)
L139:
  cmpl   $0x2,-0x2c(%rbp)
  jle    L73
  jmp    L59
L45:
  nop
L59:
  addl   $0x1,-0x30(%rbp)
L78:
  mov    -0x30(%rbp),%eax
  cmp    -0x5c(%rbp),%eax
  jl     L108
  movl   $0x0,-0x2c(%rbp)
  jmp    L15
L123:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    -0x2c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rax,%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  -0x20(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%rdx)
  addl   $0x1,-0x2c(%rbp)
L15:
  cmpl   $0x2,-0x2c(%rbp)
  jle    L123
  addl   $0x1,-0x34(%rbp)
L26:
  mov    -0x34(%rbp),%eax
  cmp    -0x5c(%rbp),%eax
  jl     L89
  mov    $0x0,%eax
L4:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L113
  call   <__stack_chk_fail@plt>
L113:
  leave
  ret
```

assistant: ```c
int nbodyC(double dx[], double x[], double mus[], int n) {
  double temp[3] = {0.0};
  double rnorm3;
  int j;
  int k;
  int i;
  for (j = 0; j < n; j++) {
    memset(temp, 0, sizeof(temp));
    for (k = 0; k < n; k++) {
      if (k == j) {
        continue;
      }
      rnorm3 = pow(pow(x[k * 3] - x[j * 3], 2.) + pow(x[k * 3 + 1] - x[j * 3 + 1], 2.) + pow(x[k * 3 + 2] - x[j * 3 + 2], 2.), 3. / 2.);
      if (rnorm3 == 0.0) {
        return -1;
      }
      for (i = 0; i < 3; i++) {
        temp[i] += (x[k * 3 + i] - x[j * 3 + i]) / rnorm3 * mus[k];
      }
    }
    for (i = 0; i < 3; i++) {
      dx[j * 3 + i] = temp[i];
    }
  }
  return 0;
}
```