user: 这段汇编代码用C语言表示是什么样的？

```asm
<calculateNumericalDiffusionResGradQuad>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %esi,0x14(%rsp)
  movsd  %xmm0,0x20(%rsp)
  test   %edi,%edi
  jle    L46
  mov    %edx,%r12d
  mov    %r8,%r15
  mov    %r9,%r14
  mov    %rcx,0x28(%rsp)
  imul   %edx,%esi
  mov    %esi,0x34(%rsp)
  lea    -0x1(%rdi),%edx
  lea    0x8(%rcx,%rdx,8),%rax
  mov    %rax,0x38(%rsp)
  movl   $0x0,0x30(%rsp)
  movl   $0x0,0x10(%rsp)
  jmp    L38
L10:
  addq   $0x8,0x28(%rsp)
  mov    0x28(%rsp),%rax
  mov    0x14(%rsp),%edi
  add    %edi,0x10(%rsp)
  mov    0x34(%rsp),%esi
  add    %esi,0x30(%rsp)
  cmp    0x38(%rsp),%rax
  je     L46
L38:
  mov    0x28(%rsp),%rax
  movsd  (%rax),%xmm4
  movsd  %xmm4,0x18(%rsp)
  mov    0x30(%rsp),%ebp
  mov    0x10(%rsp),%ebx
  cmpl   $0x0,0x14(%rsp)
  jg     L0
  jmp    L10
L2:
  movslq %ebx,%rax
  lea    0x0(,%rax,8),%r13
  movsd  (%r15,%rax,8),%xmm1
  andpd  D29(%rip),%xmm1
  movsd  0x20(%rsp),%xmm0
  mulsd  D3(%rip),%xmm0
  mulsd  0x18(%rsp),%xmm0
  mulsd  %xmm0,%xmm1
  movsd  %xmm1,0x8(%rsp)
  pxor   %xmm0,%xmm0
L97:
  sqrtsd %xmm0,%xmm0
L89:
  addsd  D28(%rip),%xmm0
  movsd  0x8(%rsp),%xmm1
  divsd  %xmm0,%xmm1
  mov    0x80(%rsp),%rax
  movsd  %xmm1,(%rax,%r13,1)
  add    $0x1,%ebx
  add    %r12d,%ebp
  mov    0x10(%rsp),%eax
  add    0x14(%rsp),%eax
  cmp    %eax,%ebx
  je     L10
L0:
  test   %r12d,%r12d
  jle    L2
  movslq %ebp,%rcx
  lea    (%r14,%rcx,8),%rax
  lea    -0x1(%r12),%edx
  add    %rcx,%rdx
  lea    0x8(%r14,%rdx,8),%rdx
  pxor   %xmm0,%xmm0
L7:
  movsd  (%rax),%xmm1
  mulsd  %xmm1,%xmm1
  addsd  %xmm1,%xmm0
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L7
  movslq %ebx,%rax
  lea    0x0(,%rax,8),%r13
  movsd  (%r15,%rax,8),%xmm2
  andpd  D29(%rip),%xmm2
  movsd  0x20(%rsp),%xmm1
  mulsd  D3(%rip),%xmm1
  mulsd  0x18(%rsp),%xmm1
  mulsd  %xmm1,%xmm2
  movsd  %xmm2,0x8(%rsp)
  pxor   %xmm1,%xmm1
  ucomisd %xmm0,%xmm1
  jbe    L97
  call   <sqrt@plt>
  jmp    L89
L46:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D29
data_type: qword[2]
name: unpack_data
arguments: data_tag: D3
data_type: f64
name: unpack_data
arguments: data_tag: D28
data_type: byte[8]

tool: {"D29": [0x7fffffffffffffff,0x0000000000000000]}

tool: D3: 0.5

tool: {"D28": [0x3a,0x8c,0x30,0xe2,0x8e,0x79,0x45,0x3e]}

assistant: ```c
void calculateNumericalDiffusionResGradQuad(int nElements_global, int nQuadraturePoints_element, int nSpace, double shockCapturingDiffusion, double *elementDiameter, double *strong_residual, double *grad_u, double *numDiff) {
  int eN, k, I;
  double h, num, den, n_grad_u;
  for (eN = 0; eN < nElements_global; eN++) {
    h = elementDiameter[eN];
    for (k = 0; k < nQuadraturePoints_element; k++) {
      n_grad_u = 0.0;
      for (I = 0; I < nSpace; I++) {
        n_grad_u += grad_u[eN * nQuadraturePoints_element * nSpace + k * nSpace + I] * grad_u[eN * nQuadraturePoints_element * nSpace + k * nSpace + I];
      }
      num = shockCapturingDiffusion * 0.5 * h * fabs(strong_residual[eN * nQuadraturePoints_element + k]);
      den = sqrt(n_grad_u) + 1.0e-8;
      numDiff[eN * nQuadraturePoints_element + k] = num / den;
    }
  }
}
```