user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<diffusionmarine>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r11
  mov    %rsi,%r10
  mov    %rdx,%rdi
  mov    %rcx,-0x10(%rsp)
  mov    %r8,-0x8(%rsp)
  mov    0x38(%rsp),%rsi
  mov    0x48(%rsp),%ecx
  mov    0x50(%rsp),%edx
  test   %edx,%edx
  jle    L47
  mov    0x40(%rsp),%rax
  lea    -0x1(%rdx),%edx
  lea    0x8(%rax,%rdx,8),%rdx
L106:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L106
L47:
  test   %ecx,%ecx
  jle    L43
  mov    %rsi,%r8
  lea    -0x1(%rcx),%eax
  lea    0x4(%rsi,%rax,4),%r15
  pxor   %xmm3,%xmm3
  movapd %xmm3,%xmm2
  movapd %xmm3,%xmm1
  jmp    L104
L91:
  movsd  (%r11,%rax,8),%xmm0
  movsd  (%rbx),%xmm4
  comisd %xmm0,%xmm4
  jbe    L32
  cmpl   $0x0,(%rdi,%rbp,1)
  jle    L32
  movsd  0x0(%r13,%rdx,8),%xmm5
  comisd %xmm3,%xmm5
  jbe    L32
  subsd  %xmm4,%xmm0
  mulsd  (%rsi,%rdx,8),%xmm0
  divsd  %xmm5,%xmm0
  addsd  (%r12),%xmm0
  movsd  %xmm0,(%r12)
  jmp    L32
L89:
  add    $0x4,%r8
  cmp    %r15,%r8
  je     L43
L104:
  movslq (%r8),%rax
  lea    0x0(,%rax,4),%rbp
  cmpl   $0x0,(%r10,%rax,4)
  jle    L89
  mov    %rbp,%rsi
  lea    0x0(%rbp,%rax,1),%rcx
  shl    $0x4,%rcx
  add    -0x10(%rsp),%rcx
  lea    0x0(,%rax,8),%r12
  lea    (%r11,%r12,1),%rbx
  add    %rax,%rsi
  shl    $0x5,%rsi
  lea    (%r9,%rsi,1),%r13
  add    0x40(%rsp),%r12
  add    -0x8(%rsp),%rsi
  mov    $0x0,%edx
  jmp    L214
L196:
  cmpl   $0x0,(%rdi,%rax,4)
  jle    L32
  movsd  (%rbx),%xmm4
  movsd  (%r11,%rax,8),%xmm0
  comisd %xmm4,%xmm0
  jbe    L32
L151:
  movsd  0x0(%r13,%rdx,8),%xmm5
  comisd %xmm2,%xmm5
  jbe    L52
  subsd  %xmm4,%xmm0
  mulsd  (%rsi,%rdx,8),%xmm0
  divsd  %xmm5,%xmm0
  addsd  (%r12),%xmm0
  movsd  %xmm0,(%r12)
L52:
  cmpl   $0x0,(%r14)
  jle    L91
L32:
  add    $0x1,%rdx
  cmp    $0x14,%rdx
  je     L89
L214:
  mov    (%rcx,%rdx,4),%eax
  test   %eax,%eax
  js     L89
  cltq
  lea    (%r10,%rax,4),%r14
  cmpl   $0x0,(%r14)
  jle    L91
  cmpl   $0x0,(%rdi,%rbp,1)
  jle    L196
  movsd  (%rbx),%xmm4
  movsd  (%r11,%rax,8),%xmm0
  comisd %xmm0,%xmm4
  jbe    L196
  movsd  0x0(%r13,%rdx,8),%xmm5
  comisd %xmm1,%xmm5
  jbe    L196
  subsd  %xmm4,%xmm0
  mulsd  (%rsi,%rdx,8),%xmm0
  divsd  %xmm5,%xmm0
  addsd  (%r12),%xmm0
  movsd  %xmm0,(%r12)
  cmpl   $0x0,(%rdi,%rax,4)
  jle    L52
  movsd  (%rbx),%xmm4
  movsd  (%r11,%rax,8),%xmm0
  comisd %xmm4,%xmm0
  jbe    L52
  jmp    L151
L43:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void diffusionmarine(double pyZ[], int pyBord[], int pyDep[], int pyNgbs[][20], double pyEdge[][20], double pyDist[][20], int pyGIDs[], double pyDiff[], int pylocalNb, int pyglobalNb) {
  int i;
  for (i = 0; i < pyglobalNb; i++) {
    pyDiff[i] = 0.;
  }
  int k;
  for (k = 0; k < pylocalNb; k++) {
    int gid = pyGIDs[k];
    int p;
    if (pyBord[gid] > 0.) {
      for (p = 0; p < 20; p++) {
        int ngbid = pyNgbs[gid][p];
        if (ngbid < 0) {
          break;
        }
        if (pyBord[ngbid] > 0) {
          if (pyDep[gid] > 0 && pyZ[gid] > pyZ[ngbid] && pyDist[gid][p] > 0.) {
            pyDiff[gid] += pyEdge[gid][p] * (pyZ[ngbid] - pyZ[gid]) / pyDist[gid][p];
          }
          if (pyDep[ngbid] > 0 && pyZ[gid] < pyZ[ngbid] && pyDist[gid][p] > 0.) {
            pyDiff[gid] += pyEdge[gid][p] * (pyZ[ngbid] - pyZ[gid]) / pyDist[gid][p];
          }
        }
        if (pyBord[ngbid] < 1) {
          if (pyZ[ngbid] < pyZ[gid] && pyDep[gid] > 0 && pyDist[gid][p] > 0.) {
            pyDiff[gid] += pyEdge[gid][p] * (pyZ[ngbid] - pyZ[gid]) / pyDist[gid][p];
          }
        }
      }
    }
  }
}
```