user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<PlanePoiseuilleFlow_u>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x70,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %edx,-0x54(%rbp)
  movsd  %xmm0,-0x60(%rbp)
  mov    %rcx,-0x68(%rbp)
  mov    %r8,-0x70(%rbp)
  mov    -0x50(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  mov    -0x50(%rbp),%rax
  movsd  0x8(%rax),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x50(%rbp),%rax
  movsd  0x10(%rax),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x50(%rbp),%rax
  movsd  0x18(%rax),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x50(%rbp),%rax
  movsd  0x28(%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  ucomisd -0x20(%rbp),%xmm0
  jp     L8
  pxor   %xmm0,%xmm0
  ucomisd -0x20(%rbp),%xmm0
  je     L11
L8:
  movsd  -0x20(%rbp),%xmm0
  movq   D28(%rip),%xmm1
  xorpd  %xmm0,%xmm1
  movsd  -0x28(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  movsd  D40(%rip),%xmm0
  divsd  %xmm2,%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x30(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  D38(%rip),%xmm2
  divsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  jmp    L60
L11:
  pxor   %xmm0,%xmm0
  ucomisd -0x18(%rbp),%xmm0
  jp     L58
  pxor   %xmm0,%xmm0
  ucomisd -0x18(%rbp),%xmm0
  je     L49
L58:
  movsd  -0x18(%rbp),%xmm1
  movsd  D37(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  divsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,-0x38(%rbp)
  jmp    L60
L49:
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
L60:
  movl   $0x0,-0x3c(%rbp)
  jmp    L32
L5:
  mov    -0x3c(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  subsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x38(%rbp),%xmm1
  movsd  D38(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x8(%rbp),%xmm1
  movsd  -0x30(%rbp),%xmm0
  subsd  -0x8(%rbp),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  -0x30(%rbp),%xmm0
  movapd %xmm0,%xmm2
  mulsd  %xmm0,%xmm2
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x3c(%rbp)
L32:
  mov    -0x3c(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jl     L5
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D28
datatype: f32[2]
name: extract_symbolic_data
arguments: data_tag: D40
datatype: f64
name: extract_symbolic_data
arguments: data_tag: D38
datatype: f64
name: extract_symbolic_data
arguments: data_tag: D37
datatype: f32[2]
name: extract_symbolic_data
arguments: data_tag: D16
datatype: string

tool: {"D28": [0.0,-0.0]}

tool: D40: 1

tool: D38: 4

tool: {"D37": [0.0,1.9375]}

tool: D16: Please enter input values for either q(Flow Rate per unit depth) or GradP(Pressure Gradient)


assistant: ```c
int PlanePoiseuilleFlow_u(int *iwork, double *rwork, int nPoints, double t, double *x, double *u) {
  int i;
  double h = rwork[0], mu = rwork[1];
  double GradP = rwork[2], q = rwork[3];
  double ys = rwork[5];
  double umax;
  double Y;
  if (GradP != 0.0) {
    umax = -GradP * (1.0 / (2.0 * mu)) * (h * h / 4.0);
  } else if (q != 0.0) {
    umax = (3.0 / 2.0) * q / h;
  } else {
    printf("Please enter input values for either q(Flow Rate per unit depth) or GradP(Pressure Gradient)\n");
    exit(0);
  }
  for (i = 0; i < nPoints; i++) {
    Y = x[i * 3 + 1] - ys;
    u[i] = (4.0 * umax * Y * (h - Y)) / (h * h);
  }
  return 0;
}
```