user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x3d0000(%rsp),%r11
L86:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L86
  sub    $0x928,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3d0918(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rbx
  call   <clock@plt>
  pxor   %xmm6,%xmm6
  mov    %rbx,%rax
  mov    %rbx,%rdx
  movsd  D43(%rip),%xmm2
  movsd  %xmm0,0x8(%rsp)
  lea    0x1e8490(%rsp),%rcx
  movapd %xmm6,%xmm0
L20:
  movsd  %xmm2,(%rdx)
  add    $0xfa0,%rax
  add    $0x8,%rdx
  movsd  %xmm2,-0x8(%rax)
  movsd  %xmm2,-0xfa0(%rax)
  movq   $0x0,0x1e74d8(%rdx)
  movsd  -0xfa0(%rax),%xmm1
  addsd  -0x8(%rax),%xmm1
  addsd  -0x8(%rdx),%xmm1
  addsd  %xmm6,%xmm1
  addsd  %xmm1,%xmm0
  cmp    %rcx,%rax
  jne    L20
  lea    0xfb8(%rsp),%r10
  divsd  D33(%rip),%xmm0
  lea    0x1f38(%rbx),%rdx
  unpcklpd %xmm0,%xmm0
  lea    0x1e8478(%rbx),%rsi
  mov    %r10,%rcx
L19:
  mov    %rcx,%rax
  nopl   0x0(%rax)
L13:
  movups %xmm0,(%rax)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L13
  lea    0xfa0(%rax),%rdx
  add    $0xfa0,%rcx
  cmp    %rsi,%rdx
  jne    L19
  movsd  D7(%rip),%xmm5
  movq   D32(%rip),%xmm4
  lea    0x1f50(%rsp),%r12
  lea    0xfb0(%rsp),%rbp
  movsd  D58(%rip),%xmm7
  lea    0x1e9430(%rsp),%r11
  lea    0x1e74e8(%rbx),%r9
L41:
  mov    %r12,%r8
  mov    %rbp,%rdx
  mov    %r11,%rsi
  mov    %rbx,%rdi
  mov    $0x1,%ecx
  movapd %xmm6,%xmm3
L105:
  movsd  (%rdx),%xmm2
  movsd  0x8(%rdx),%xmm1
  lea    -0x1(%rcx),%r14d
  mov    %ecx,%r13d
  mov    $0x3,%eax
  add    $0x1,%ecx
L97:
  movsd  -0x10(%r8,%rax,8),%xmm0
  addsd  -0x10(%rdi,%rax,8),%xmm0
  movslq %eax,%r15
  addsd  %xmm2,%xmm0
  movsd  -0x8(%rdx,%rax,8),%xmm2
  addsd  %xmm2,%xmm0
  mulsd  %xmm5,%xmm0
  movsd  %xmm0,-0x10(%rsi,%rax,8)
  subsd  %xmm1,%xmm0
  andpd  %xmm4,%xmm0
  maxsd  %xmm3,%xmm0
  movapd %xmm0,%xmm3
  movsd  -0x8(%rdi,%rax,8),%xmm0
  addsd  -0x8(%r8,%rax,8),%xmm0
  addsd  %xmm1,%xmm0
  movsd  (%rdx,%rax,8),%xmm1
  addsd  %xmm1,%xmm0
  mulsd  %xmm5,%xmm0
  movsd  %xmm0,-0x8(%rsi,%rax,8)
  subsd  %xmm2,%xmm0
  add    $0x2,%rax
  andpd  %xmm4,%xmm0
  maxsd  %xmm3,%xmm0
  movapd %xmm0,%xmm3
  cmp    $0x1f3,%rax
  jne    L97
  movslq %r14d,%rax
  movslq %ecx,%r14
  movsd  0xf90(%rdx),%xmm1
  add    $0xfa0,%rdi
  imul   $0x1f4,%rax,%rax
  add    $0xfa0,%r8
  add    $0xfa0,%rdx
  add    $0xfa0,%rsi
  imul   $0x1f4,%r14,%r14
  add    %r15,%rax
  add    %r15,%r14
  movsd  0x10(%rsp,%rax,8),%xmm0
  movslq %r13d,%rax
  imul   $0x1f4,%rax,%rax
  addsd  0x10(%rsp,%r14,8),%xmm0
  addsd  -0x20(%rdx),%xmm0
  add    %r15,%rax
  addsd  %xmm1,%xmm0
  movsd  0x10(%rsp,%rax,8),%xmm2
  mulsd  %xmm5,%xmm0
  movsd  %xmm0,0x1e8490(%rsp,%rax,8)
  subsd  %xmm2,%xmm0
  andpd  %xmm4,%xmm0
  maxsd  %xmm3,%xmm0
  movapd %xmm0,%xmm3
  movsd  -0xfb0(%rdx),%xmm0
  addsd  0xf90(%rdx),%xmm0
  addsd  %xmm2,%xmm0
  addsd  -0x8(%rdx),%xmm0
  mulsd  %xmm5,%xmm0
  movsd  %xmm0,-0x10(%rsi)
  subsd  %xmm1,%xmm0
  andpd  %xmm4,%xmm0
  maxsd  %xmm3,%xmm0
  movapd %xmm0,%xmm3
  cmp    $0x1f3,%ecx
  jne    L105
  comisd %xmm0,%xmm7
  jae    L101
  lea    0x1e9438(%rsp),%r8
  mov    %r10,%rdx
L43:
  mov    (%r8),%rax
  lea    0x8(%rdx),%rdi
  mov    %r8,%rsi
  add    $0xfa0,%r8
  and    $0xfffffffffffffff8,%rdi
  mov    %rax,(%rdx)
  mov    -0x18(%r8),%rax
  mov    %rax,0xf88(%rdx)
  mov    %rdx,%rax
  add    $0xfa0,%rdx
  sub    %rdi,%rax
  sub    %rax,%rsi
  add    $0xf90,%eax
  shr    $0x3,%eax
  mov    %eax,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  cmp    %r9,%rdx
  jne    L43
  jmp    L41
L101:
  xor    %eax,%eax
  lea    0xfa0(%rbx),%rbp
  lea    0x1e9420(%rbx),%r13
  call   <clock@plt>
  lea    D36(%rip),%r12
  movq   %xmm0,%r14
L28:
  lea    -0xfa0(%rbp),%rbx
L112:
  movsd  (%rbx),%xmm0
  mov    %r12,%rdi
  add    $0x8,%rbx
  call   <printf@plt>
  cmp    %rbx,%rbp
  jne    L112
  mov    $0xa,%edi
  add    $0xfa0,%rbp
  call   <putchar@plt>
  cmp    %r13,%rbp
  jne    L28
  lea    D20(%rip),%rdi
  movq   %r14,%xmm0
  subsd  0x8(%rsp),%xmm0
  divsd  D30(%rip),%xmm0
  call   <printf@plt>
  mov    0x3d0918(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L25
  add    $0x3d0928,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L25:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D43
type: f64
name: retrieve_data
arguments: tag: D33
type: f32[2]
name: retrieve_data
arguments: tag: D7
type: f32[2]
name: retrieve_data
arguments: tag: D32
type: qword
name: retrieve_data
arguments: tag: D58
type: f64
name: retrieve_data
arguments: tag: D36
type: string
name: retrieve_data
arguments: tag: D20
type: string
name: retrieve_data
arguments: tag: D30
type: f32[2]

tool: D43: 100

tool: {"D33": [0.0,4.9765625]}

tool: {"D7": [0.0,1.625]}

tool: D32: 9223372036854775807

tool: D58: 0.01

tool: D36: %6.2f 

tool: D20: Time %f

tool: {"D30": [0.0,10.9073486328125]}

assistant: ```c
int main(int argc, char *argv[]) {
  double diff;
  int i, j, k;
  double mean;
  double u[500][500];
  double w[500][500];
  double start, stop;
  start = clock();
  mean = 0.0;
  for (i = 0; i < 500; i++) {
    u[i][0] = u[i][500 - 1] = u[0][i] = 100.0;
    u[500 - 1][i] = 0.0;
    mean += u[i][0] + u[i][500 - 1] + u[0][i] + u[500 - 1][i];
  }
  mean /= (4.0 * 500);
  for (i = 1; i < 500 - 1; i++)
    for (j = 1; j < 500 - 1; j++)
      u[i][j] = mean;
  for (;;) {
    diff = 0.0;
    for (i = 1; i < 500 - 1; i++)
      for (j = 1; j < 500 - 1; j++) {
        w[i][j] = (u[i - 1][j] + u[i + 1][j] + u[i][j - 1] + u[i][j + 1]) / 4.0;
        if (fabs(w[i][j] - u[i][j]) > diff)
          diff = fabs(w[i][j] - u[i][j]);
      }
    if (diff <= 0.01)
      break;
    for (i = 1; i < 500 - 1; i++)
      for (j = 1; j < 500 - 1; j++)
        u[i][j] = w[i][j];
  }
  stop = clock();
  for (i = 0; i < 500; i++) {
    for (j = 0; j < 500; j++)
      printf("%6.2f ", u[i][j]);
    putchar('\n');
  }
  printf("Time %f", (stop - start) / 1000000);
  return 0;
}
```