user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<l2projectVector>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  mov    %esi,%r15d
  push   %r14
  mov    %edx,%r14d
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbx
  sub    $0x58,%rsp
  mov    %rcx,-0x70(%rbp)
  mov    %edi,-0x5c(%rbp)
  mov    %rsp,%rcx
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %edx,%rax
  shl    $0x3,%rax
  lea    0xf(%rax),%rdx
  mov    %rax,-0x80(%rbp)
  mov    %rdx,%rax
  and    $0xfffffffffffff000,%rdx
  sub    %rdx,%rcx
  and    $0xfffffffffffffff0,%rax
  cmp    %rcx,%rsp
  je     L193
L9:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L9
L193:
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  jne    L10
L35:
  mov    -0x5c(%rbp),%eax
  mov    %rsp,%rbx
  test   %eax,%eax
  jle    L70
  mov    %r15d,%eax
  mov    %r14d,%r8d
  movl   $0x0,-0x48(%rbp)
  xor    %r9d,%r9d
  imul   %r14d,%eax
  movl   $0x0,-0x44(%rbp)
  and    $0xfffffffe,%r8d
  mov    %eax,-0x60(%rbp)
  lea    -0x1(%r14),%eax
  lea    0x8(,%rax,8),%rax
  mov    %rax,-0x68(%rbp)
  mov    %r14d,%eax
  shr    %eax
  lea    -0x1(%rax),%r13d
  lea    -0x1(%r15),%eax
  mov    %eax,-0x74(%rbp)
  add    $0x1,%r13
  mov    %r15d,%eax
  mov    %r8d,%r15d
  shl    $0x4,%r13
  mov    %eax,%r8d
  nopl   0x0(%rax,%rax,1)
L199:
  test   %r14d,%r14d
  jle    L36
  mov    -0x68(%rbp),%rdx
  xor    %esi,%esi
  mov    %rbx,%rdi
  mov    %r8d,-0x50(%rbp)
  mov    %r9d,-0x4c(%rbp)
  call   <memset@plt>
  mov    -0x50(%rbp),%r8d
  mov    -0x4c(%rbp),%r9d
L36:
  test   %r8d,%r8d
  jle    L21
  movslq -0x48(%rbp),%rdx
  mov    -0x74(%rbp),%eax
  pxor   %xmm2,%xmm2
  movslq %r9d,%r11
  mov    -0x70(%rbp),%rdi
  add    %rdx,%rax
  lea    (%rdi,%rdx,8),%rsi
  lea    0x8(%rdi,%rax,8),%r10
  xor    %edi,%edi
  nopl   0x0(%rax)
L61:
  movsd  (%rsi),%xmm0
  addsd  %xmm0,%xmm2
  test   %r14d,%r14d
  jle    L142
  lea    (%rdi,%r9,1),%ecx
  cmp    $0x1,%r14d
  je     L81
  movslq %edi,%rax
  movapd %xmm0,%xmm3
  add    %r11,%rax
  unpcklpd %xmm3,%xmm3
  lea    (%r12,%rax,8),%rdx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L64:
  movupd (%rdx,%rax,1),%xmm1
  movupd (%rbx,%rax,1),%xmm4
  mulpd  %xmm3,%xmm1
  addpd  %xmm4,%xmm1
  movups %xmm1,(%rbx,%rax,1)
  add    $0x10,%rax
  cmp    %r13,%rax
  jne    L64
  mov    %r15d,%eax
  cmp    %r14d,%r15d
  je     L142
L187:
  movslq %eax,%rdx
  add    %ecx,%eax
  cltq
  mulsd  (%r12,%rax,8),%xmm0
  addsd  (%rbx,%rdx,8),%xmm0
  movsd  %xmm0,(%rbx,%rdx,8)
L142:
  add    $0x8,%rsi
  add    %r14d,%edi
  cmp    %r10,%rsi
  jne    L61
  pxor   %xmm5,%xmm5
  mov    %r8d,-0x50(%rbp)
  comisd %xmm5,%xmm2
  mov    %r9d,-0x4c(%rbp)
  movsd  %xmm2,-0x58(%rbp)
  seta   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  test   %r14d,%r14d
  mov    -0x4c(%rbp),%r9d
  mov    -0x50(%rbp),%r8d
  jle    L59
  movsd  -0x58(%rbp),%xmm2
  movslq %r9d,%rax
  mov    -0x80(%rbp),%rdx
  mov    %r9d,%ecx
  lea    (%r12,%rax,8),%rsi
  xor    %edi,%edi
  movapd %xmm2,%xmm1
  unpcklpd %xmm1,%xmm1
  nopw   0x0(%rax,%rax,1)
L203:
  xor    %eax,%eax
  cmp    $0x1,%r14d
  je     L98
  nopl   0x0(%rax)
L84:
  movupd (%rbx,%rax,1),%xmm0
  divpd  %xmm1,%xmm0
  movups %xmm0,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%r13
  jne    L84
  movslq %r15d,%rax
  cmp    %r14d,%r15d
  je     L188
L155:
  movsd  (%rbx,%rax,8),%xmm0
  lea    (%rcx,%rax,1),%r10d
  movslq %r10d,%r10
  divsd  %xmm2,%xmm0
  movsd  %xmm0,(%r12,%r10,8)
L188:
  add    $0x1,%edi
  add    %r14d,%ecx
  add    %rdx,%rsi
  cmp    %edi,%r8d
  jne    L203
L59:
  addl   $0x1,-0x44(%rbp)
  add    -0x60(%rbp),%r9d
  add    %r8d,-0x48(%rbp)
  mov    -0x44(%rbp),%eax
  cmp    %eax,-0x5c(%rbp)
  jne    L199
L70:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L98:
  xor    %eax,%eax
  jmp    L155
L81:
  xor    %eax,%eax
  jmp    L187
L21:
  xor    %edi,%edi
  mov    %r8d,-0x50(%rbp)
  mov    %r9d,-0x4c(%rbp)
  call   <assert@plt>
  mov    -0x4c(%rbp),%r9d
  mov    -0x50(%rbp),%r8d
  jmp    L59
L10:
  orq    $0x0,-0x8(%rsp,%rax,1)
  jmp    L35
L11:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void l2projectVector(const int nSimplices, const int nPointsPerSimplex, const int nSpace, double *dV, double *r) {
  int eN, k, I;
  double vol;
  double ravg[nSpace];
  for (eN = 0; eN < nSimplices; eN++) {
    vol = 0.0;
    for (I = 0; I < nSpace; I++)
      ravg[I] = 0.0;
    for (k = 0; k < nPointsPerSimplex; k++) {
      vol += dV[eN * nPointsPerSimplex + k];
      for (I = 0; I < nSpace; I++)
        ravg[I] += r[eN * nPointsPerSimplex * nSpace + k * nSpace + I] * dV[eN * nPointsPerSimplex + k];
    }
    assert(vol > 0.0);
    for (k = 0; k < nPointsPerSimplex; k++) {
      for (I = 0; I < nSpace; I++)
        r[eN * nPointsPerSimplex * nSpace + k * nSpace + I] = ravg[I] / vol;
    }
  }
}
```