user: What would the C source look like for the assembly code provided here?

```asm
<interpolation>:
  endbr64
  push   %r12
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  test   %edx,%edx
  jle    L122
  mov    %rdi,%r9
  lea    0x1(%rdx),%ecx
  mov    $0x1,%r8d
  nopl   0x0(%rax)
L40:
  lea    (%r8,%r8,1),%eax
  mov    (%r9,%r8,8),%rdi
  cltq
  mov    (%rbx,%rax,8),%rsi
  mov    $0x1,%eax
  nopl   0x0(%rax,%rax,1)
L86:
  movsd  (%rdi,%rax,8),%xmm0
  lea    (%rax,%rax,1),%edx
  add    $0x1,%rax
  movslq %edx,%rdx
  movsd  %xmm0,(%rsi,%rdx,8)
  cmp    %rax,%rcx
  jne    L86
  add    $0x1,%r8
  cmp    %r8,%rcx
  jne    L40
L122:
  xor    %eax,%eax
  call   <dissBarrier@plt>
  cmp    $0x2,%ebp
  jle    L70
  lea    -0x3(%rbp),%eax
  lea    -0x1(%rbp),%r12d
  mov    $0x10,%edx
  movsd  D19(%rip),%xmm2
  shr    %eax
  lea    0x2(%rax),%r9d
  mov    %r12d,%eax
  shr    %eax
  shl    $0x4,%r9
  shl    $0x4,%rax
  lea    0x10(%rbx,%rax,1),%r8
  xchg   %ax,%ax
L68:
  mov    %rbx,%rax
  nopl   0x0(%rax,%rax,1)
L38:
  mov    (%rax),%rdi
  mov    0x10(%rax),%rsi
  add    $0x10,%rax
  mov    -0x8(%rax),%rcx
  movsd  (%rdi,%rdx,1),%xmm0
  addsd  (%rsi,%rdx,1),%xmm0
  mulsd  %xmm2,%xmm0
  movsd  %xmm0,(%rcx,%rdx,1)
  cmp    %rax,%r8
  jne    L38
  add    $0x10,%rdx
  cmp    %rdx,%r9
  jne    L68
  xor    %eax,%eax
  movsd  %xmm2,0x8(%rsp)
  call   <dissBarrier@plt>
  movsd  0x8(%rsp),%xmm2
L101:
  shr    %r12d
  xor    %eax,%eax
  test   %ebp,%ebp
  movapd D19(%rip),%xmm3
  setg   %al
  mov    $0x1,%esi
  imul   %r12d,%eax
  mov    %eax,%edx
  and    $0xfffffffe,%eax
  shr    %edx
  lea    0x1(%rax,%rax,1),%r8d
  lea    -0x1(%rdx),%edi
  shl    $0x5,%rdi
  add    $0x30,%rdi
  nopl   (%rax)
L7:
  mov    (%rbx,%rsi,8),%rdx
  cmp    $0x4,%ebp
  jle    L30
  lea    0x10(%rdx),%rax
  lea    (%rdx,%rdi,1),%rcx
  nopl   (%rax)
L58:
  movupd (%rax),%xmm0
  movupd -0x10(%rax),%xmm1
  add    $0x20,%rax
  movhpd -0x20(%rax),%xmm1
  movhpd -0x10(%rax),%xmm0
  addpd  %xmm1,%xmm0
  mulpd  %xmm3,%xmm0
  movlpd %xmm0,-0x28(%rax)
  movhpd %xmm0,-0x18(%rax)
  cmp    %rax,%rcx
  jne    L58
  mov    %r8d,%ecx
L85:
  movslq %ecx,%rax
  add    $0x2,%ecx
  shl    $0x3,%rax
  lea    (%rdx,%rax,1),%r9
  movsd  0x8(%rdx,%rax,1),%xmm0
  movsd  -0x8(%r9),%xmm1
  addsd  %xmm0,%xmm1
  mulsd  %xmm2,%xmm1
  movsd  %xmm1,(%r9)
  cmp    %ecx,%ebp
  jl     L65
  addsd  0x18(%rdx,%rax,1),%xmm0
  mulsd  %xmm2,%xmm0
  movsd  %xmm0,0x10(%rdx,%rax,1)
L65:
  add    $0x1,%rsi
  cmp    %esi,%ebp
  jge    L7
L107:
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  jmp    1050 <dissBarrier@plt>
  nop
L30:
  mov    $0x1,%ecx
  jmp    L85
L70:
  xor    %eax,%eax
  call   <dissBarrier@plt>
  test   %ebp,%ebp
  jle    L107
  movsd  D19(%rip),%xmm2
  lea    -0x1(%rbp),%r12d
  jmp    L101
```

tool_calls: name: retrieve_data
arguments: data_tag: D19
data_type: f64[2]

tool: {"D19": [0.5,0.5]}

assistant: ```c
void interpolation(double **coarse, double **fine, int coarseSize, int fineSize) {
#pragma omp for nowait schedule(static)
  for (int i = 1; i < coarseSize + 1; i++) {
    int m = i << 1;
    for (int j = 1; j < coarseSize + 1; j++) {
      int n = j << 1;
      fine[m][n] = coarse[i][j];
    }
  }
  dissBarrier();
#pragma omp for nowait schedule(static)
  for (int j = 2; j < fineSize; j += 2) {
    for (int i = 1; i < fineSize + 1; i += 2) {
      fine[i][j] = (fine[i - 1][j] + fine[i + 1][j]) * 0.5;
    }
  }
  dissBarrier();
#pragma omp for nowait schedule(static)
  for (int i = 1; i < fineSize + 1; i++) {
    for (int j = 1; j < fineSize + 1; j += 2) {
      fine[i][j] = (fine[i][j - 1] + fine[i][j + 1]) * 0.5;
    }
  }
  dissBarrier();
}
```