user: Translate the below assembly code into C programming language:

```asm
<MatrixOpp>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  lea    (%rsi,%rsi,1),%edi
  lea    -0x1(%rbp),%r14d
  sub    $0x98,%rsp
  mov    %esi,0x58(%rsp)
  mov    %edi,%esi
  mov    %edi,0x70(%rsp)
  mov    %ebp,%edi
  call   <zeros@plt>
  mov    %ebp,%esi
  mov    %ebp,%edi
  mov    %rax,%r15
  call   <zeros@plt>
  mov    %rax,0x78(%rsp)
  test   %ebp,%ebp
  jle    L748
  mov    %ebp,%eax
  mov    %ebp,%r11d
  mov    %r14d,%r10d
  mov    %ebp,%r9d
  shr    %eax
  and    $0xfffffffe,%r11d
  xor    %r8d,%r8d
  lea    -0x1(%rax),%edi
  mov    %r11d,%esi
  add    $0x1,%rdi
  shl    $0x3,%rsi
  shl    $0x4,%rdi
  nopl   0x0(%rax)
L538:
  mov    (%rbx,%r8,8),%rdx
  mov    (%r15,%r8,8),%rcx
  lea    0x8(%rdx),%rax
  cmp    %rax,%rcx
  je     L298
  xor    %eax,%eax
  cmp    $0x2,%r14d
  jbe    L298
  nopl   0x0(%rax)
L622:
  movupd (%rdx,%rax,1),%xmm5
  movups %xmm5,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rdi,%rax
  jne    L622
  cmp    %r11d,%ebp
  je     L186
  movsd  (%rdx,%rsi,1),%xmm0
  movsd  %xmm0,(%rcx,%rsi,1)
L186:
  add    $0x1,%r8
  cmp    %r8,%r9
  jne    L538
  movslq 0x58(%rsp),%rbx
  mov    %r15,%rsi
  movsd  D14(%rip),%xmm0
  mov    %rbx,0x80(%rsp)
  lea    0x0(,%rbx,8),%rax
  lea    0x1(%r10,%rbx,1),%rcx
  shl    $0x3,%rcx
  sub    %rax,%rsi
  cs nopw 0x0(%rax,%rax,1)
L432:
  mov    (%rsi,%rax,1),%rdx
  movsd  %xmm0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    %rcx,%rax
  jne    L432
  mov    0x80(%rsp),%rax
  xor    %r13d,%r13d
  mov    0x70(%rsp),%r12d
  movl   $0xffffffff,0x88(%rsp)
  movq   $0x8,0x50(%rsp)
  pxor   %xmm2,%xmm2
  shl    $0x4,%rax
  lea    -0x1(%r12),%ebx
  movq   $0x1,0x48(%rsp)
  lea    -0x8(%rax),%rdi
  mov    %rax,0x8(%rsp)
  sub    $0x10,%rax
  mov    %ebx,0x5c(%rsp)
  mov    %rdi,0x20(%rsp)
  mov    %rax,0x30(%rsp)
  mov    %ebx,0x74(%rsp)
  movq   $0x0,0x40(%rsp)
  mov    %r14d,0x8c(%rsp)
  mov    %r13,%r14
  mov    %r12d,%r13d
  nopw   0x0(%rax,%rax,1)
L579:
  mov    (%r15,%r14,1),%rbx
  mov    0x40(%rsp),%rax
  lea    (%rbx,%r14,1),%rcx
  mov    %eax,0x60(%rsp)
  mov    %eax,%r8d
  mov    0x48(%rsp),%rax
  movsd  (%rcx),%xmm1
  mov    %eax,%r9d
  ucomisd %xmm2,%xmm1
  jp     L393
  jne    L393
L21:
  mov    (%r15,%rax,8),%rdx
  mov    %eax,%edi
  add    $0x1,%rax
  lea    (%rdx,%r14,1),%rsi
  movsd  (%rsi),%xmm0
  ucomisd %xmm2,%xmm0
  movsd  %xmm0,(%rcx)
  jp     L562
  je     L21
L562:
  cmp    0x40(%rsp),%edi
  jg     L703
L393:
  mov    0x48(%rsp),%rax
  mov    %eax,0x64(%rsp)
  cmp    %eax,0x58(%rsp)
  jle    L682
  nopl   0x0(%rax,%rax,1)
L699:
  mov    0x40(%rsp),%rax
  mov    0x5c(%rsp),%edi
  mov    %eax,%r12d
  cmp    %eax,%edi
  jl     L257
  mov    0x8(%rsp),%rsi
  mov    %r13d,%eax
  mov    0x48(%rsp),%rbp
  mov    %rax,0x68(%rsp)
  neg    %rax
  lea    (%rsi,%rax,8),%rax
  cmp    %rax,0x50(%rsp)
  setle  %dl
  cmp    %rsi,%r14
  mov    %rax,0x10(%rsp)
  mov    %edx,%esi
  setge  %al
  mov    0x50(%rsp),%rdx
  or     %eax,%esi
  mov    0x30(%rsp),%rax
  mov    %sil,0x28(%rsp)
  lea    (%rbx,%rax,1),%r8
  mov    %r13d,%eax
  shr    %eax
  lea    -0x1(%rax),%r10d
  mov    %r13d,%eax
  and    $0xfffffffe,%eax
  not    %r10
  sub    %eax,%edi
  mov    %eax,0x38(%rsp)
  lea    (%rbx,%rdx,1),%rax
  shl    $0x4,%r10
  movslq %edi,%r9
  mov    %rax,0x18(%rsp)
  shl    $0x3,%r9
  lea    (%rbx,%r9,1),%r11
  nopw   0x0(%rax,%rax,1)
L377:
  mov    (%r15,%rbp,8),%rdx
  mov    0x10(%rsp),%rax
  add    %rdx,%rax
  cmp    %rax,0x18(%rsp)
  mov    0x8(%rsp),%rax
  lea    (%rdx,%r14,1),%rdi
  setbe  %sil
  add    %rdx,%rax
  cmp    %rax,%rcx
  setae  %al
  or     %sil,%al
  je     L744
  mov    0x20(%rsp),%rsi
  cmp    $0x1,%r13d
  setne  %al
  and    0x28(%rsp),%al
  add    %rdx,%rsi
  cmp    %rsi,%r8
  setne  %sil
  test   %sil,%al
  je     L744
  mov    0x30(%rsp),%rax
  movsd  (%rdi),%xmm4
  movsd  (%rcx),%xmm3
  lea    (%rdx,%rax,1),%rsi
  unpcklpd %xmm4,%xmm4
  xor    %eax,%eax
  unpcklpd %xmm3,%xmm3
  xchg   %ax,%ax
L456:
  movupd (%r8,%rax,1),%xmm1
  movupd (%rsi,%rax,1),%xmm0
  shufpd $0x1,%xmm1,%xmm1
  mulpd  %xmm4,%xmm1
  shufpd $0x1,%xmm0,%xmm0
  divpd  %xmm3,%xmm1
  subpd  %xmm1,%xmm0
  shufpd $0x1,%xmm0,%xmm0
  movups %xmm0,(%rsi,%rax,1)
  sub    $0x10,%rax
  cmp    %rax,%r10
  jne    L456
  cmp    0x38(%rsp),%r13d
  je     L53
  add    %r9,%rdx
  movsd  (%rdi),%xmm0
  movsd  (%rdx),%xmm1
  mulsd  (%r11),%xmm0
  divsd  (%rcx),%xmm0
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%rdx)
L53:
  add    $0x1,%rbp
  cmp    %ebp,0x58(%rsp)
  jg     L377
L610:
  mov    0x68(%rsp),%rax
  mov    0x70(%rsp),%edi
  xor    %esi,%esi
  mov    0x60(%rsp),%r10d
  mov    0x40(%rsp),%r11
  neg    %rax
  lea    0x8(,%rax,8),%rax
  cmp    %r10d,%edi
  mov    %r11d,%edx
  cmovle %rsi,%rax
  add    0x20(%rsp),%rax
  cmp    %rax,0x50(%rsp)
  setle  %sil
  cmp    0x8(%rsp),%r14
  setge  %al
  or     %sil,%al
  je     L673
  cmp    %r11d,%edi
  setg   %sil
  cmp    $0x1,%r13d
  setne  %al
  test   %al,%sil
  je     L673
  cmp    %r10d,%edi
  mov    $0x1,%edi
  mov    0x30(%rsp),%rax
  movsd  (%rcx),%xmm1
  cmovg  %r13d,%edi
  lea    (%rbx,%rax,1),%rdx
  unpcklpd %xmm1,%xmm1
  mov    %edi,%esi
  lea    -0x10(%rdx),%rax
  shr    %esi
  lea    -0x1(%rsi),%r8d
  mov    %rax,%rsi
  shl    $0x4,%r8
  sub    %r8,%rsi
  jmp    L310
  nopl   0x0(%rax)
L404:
  sub    $0x10,%rax
L310:
  movupd (%rdx),%xmm0
  shufpd $0x1,%xmm0,%xmm0
  divpd  %xmm1,%xmm0
  shufpd $0x1,%xmm0,%xmm0
  movups %xmm0,(%rdx)
  mov    %rax,%rdx
  cmp    %rsi,%rax
  jne    L404
  mov    0x5c(%rsp),%eax
  mov    %edi,%edx
  and    $0xfffffffe,%edx
  sub    %edx,%eax
  cmp    %edx,%edi
  je     L517
  cltq
  lea    (%rbx,%rax,8),%rax
  movsd  (%rax),%xmm0
  divsd  (%rcx),%xmm0
  movsd  %xmm0,(%rax)
L517:
  mov    0x64(%rsp),%ebx
  cmp    %ebx,0x58(%rsp)
  jle    L407
L257:
  addq   $0x1,0x40(%rsp)
  add    $0x8,%r14
  sub    $0x1,%r13d
  addq   $0x1,0x48(%rsp)
  addq   $0x8,0x50(%rsp)
  subl   $0x1,0x74(%rsp)
  addl   $0x1,0x88(%rsp)
  jmp    L579
  nopl   0x0(%rax)
L744:
  movslq 0x5c(%rsp),%rax
  nopl   (%rax)
L708:
  movsd  (%rdx,%rax,8),%xmm1
  movsd  (%rdi),%xmm0
  mulsd  (%rbx,%rax,8),%xmm0
  divsd  (%rcx),%xmm0
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%rdx,%rax,8)
  sub    $0x1,%rax
  cmp    %eax,%r12d
  jle    L708
  jmp    L53
L703:
  mov    0x40(%rsp),%eax
  movsd  %xmm1,(%rsi)
  test   %eax,%eax
  je     L409
  lea    0xf(%rbx),%rax
  sub    %rdx,%rax
  cmp    $0x1e,%rax
  jbe    L603
  cmpl   $0x1,0x88(%rsp)
  jbe    L603
  mov    %r8d,%esi
  xor    %eax,%eax
  shr    %esi
  shl    $0x4,%rsi
  nopw   0x0(%rax,%rax,1)
L681:
  movupd (%rbx,%rax,1),%xmm0
  movupd (%rdx,%rax,1),%xmm3
  movups %xmm3,(%rbx,%rax,1)
  movups %xmm0,(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rsi
  jne    L681
  mov    %r8d,%eax
  and    $0xfffffffe,%eax
  and    $0x1,%r8d
  je     L409
  shl    $0x3,%rax
  lea    (%rbx,%rax,1),%rsi
  add    %rdx,%rax
  movsd  (%rsi),%xmm0
  movsd  (%rax),%xmm1
  movsd  %xmm1,(%rsi)
  movsd  %xmm0,(%rax)
L409:
  mov    0x48(%rsp),%edi
  cmp    %edi,0x70(%rsp)
  jle    L393
  mov    0x50(%rsp),%rdi
  lea    0x10(%rdi),%rax
  lea    (%rdx,%rdi,1),%rsi
  lea    (%rbx,%rdi,1),%r8
  lea    (%rbx,%rax,1),%rdi
  cmp    %rdi,%rsi
  setae  %dil
  add    %rdx,%rax
  cmp    %rax,%r8
  setae  %al
  or     %dil,%al
  je     L183
  lea    -0x2(%r13),%eax
  cmp    $0x1,%eax
  jbe    L183
  mov    0x74(%rsp),%edi
  xor    %eax,%eax
  shr    %edi
  shl    $0x4,%rdi
  nopw   0x0(%rax,%rax,1)
L713:
  movupd (%r8,%rax,1),%xmm0
  movupd (%rsi,%rax,1),%xmm3
  movups %xmm3,(%r8,%rax,1)
  movups %xmm0,(%rsi,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdi
  jne    L713
  mov    0x74(%rsp),%edi
  mov    %edi,%esi
  and    $0xfffffffe,%esi
  lea    (%rsi,%r9,1),%eax
  cmp    %esi,%edi
  je     L393
  cltq
  shl    $0x3,%rax
  lea    (%rbx,%rax,1),%rsi
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  movsd  (%rsi),%xmm0
  movsd  %xmm1,(%rsi)
  movsd  %xmm0,(%rax)
  mov    0x48(%rsp),%rax
  mov    %eax,0x64(%rsp)
  cmp    %eax,0x58(%rsp)
  jg     L699
L682:
  mov    0x40(%rsp),%edi
  cmp    %edi,0x5c(%rsp)
  jl     L407
  mov    %r13d,%eax
  mov    %rax,0x68(%rsp)
  jmp    L610
L298:
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L642:
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%r9
  jne    L642
  jmp    L186
L673:
  movslq 0x5c(%rsp),%rax
  nopl   (%rax)
L216:
  movsd  (%rbx,%rax,8),%xmm0
  divsd  (%rcx),%xmm0
  movsd  %xmm0,(%rbx,%rax,8)
  sub    $0x1,%rax
  cmp    %eax,%edx
  jle    L216
  mov    0x64(%rsp),%ebx
  cmp    %ebx,0x58(%rsp)
  jg     L257
L407:
  mov    0x8c(%rsp),%r14d
  test   %r14d,%r14d
  jle    L286
L67:
  mov    0x5c(%rsp),%eax
  cmp    %r14d,%eax
  jge    L755
  xor    %ecx,%ecx
  mov    0x58(%rsp),%ebx
  test   %eax,%eax
  mov    $0x1,%edx
  cmovns %eax,%ecx
  mov    %ebx,%eax
  sub    %ecx,%eax
  cmp    %r14d,%ecx
  lea    -0x1(%rax),%esi
  cmovge %edx,%esi
  sub    $0x2,%eax
  cmp    $0x2,%eax
  jbe    L411
  cmp    %r14d,%ecx
  jge    L411
  movd   %ebx,%xmm3
  mov    %esi,%edx
  pcmpeqd %xmm2,%xmm2
  xor    %eax,%eax
  pshufd $0x0,%xmm3,%xmm1
  movdqa D16(%rip),%xmm3
  paddd  D25(%rip),%xmm1
  shr    $0x2,%edx
L436:
  movdqa %xmm1,%xmm0
  add    $0x1,%eax
  paddd  %xmm3,%xmm1
  paddd  %xmm2,%xmm0
  cmp    %eax,%edx
  jne    L436
  mov    %esi,%edx
  mov    %r14d,%eax
  pshufd $0xff,%xmm0,%xmm0
  and    $0xfffffffc,%edx
  movd   %xmm0,%r14d
  sub    %edx,%eax
  cmp    %edx,%esi
  je     L551
L145:
  lea    -0x1(%rax),%r14d
  cmp    %ecx,%r14d
  jle    L551
  lea    -0x2(%rax),%r14d
  sub    $0x3,%eax
  cmp    %ecx,%r14d
  cmovg  %eax,%r14d
L551:
  test   %r14d,%r14d
  jle    L669
L755:
  mov    0x5c(%rsp),%r12d
  movslq %r14d,%rbp
  shl    $0x3,%rbp
  lea    0x1(%r12),%eax
  sub    %r14d,%eax
  mov    %eax,0x30(%rsp)
  lea    0x8(%rbp),%rax
  mov    %rax,0x28(%rsp)
  movslq %r12d,%rax
  lea    0x0(,%rax,8),%r13
  mov    %rax,0x38(%rsp)
  lea    -0x8(%r13),%rax
  mov    %rax,0x10(%rsp)
  lea    0x8(%r13),%rax
  mov    %rax,0x40(%rsp)
  cs nopw 0x0(%rax,%rax,1)
L414:
  mov    (%r15,%rbp,1),%rbx
  mov    0x10(%rsp),%rax
  xor    %ecx,%ecx
  mov    %r12d,%r8d
  lea    (%rbx,%rax,1),%rdi
  mov    0x30(%rsp),%eax
  mov    %rax,%rsi
  neg    %rax
  cmp    %r14d,%r12d
  lea    0x8(,%rax,8),%rax
  cmovl  %rcx,%rax
  mov    $0x1,%ecx
  add    %r13,%rax
  cmp    0x28(%rsp),%rax
  setge  %dl
  cmp    %rbp,0x40(%rsp)
  setle  %al
  or     %eax,%edx
  cmp    %r14d,%r12d
  cmovge %esi,%ecx
  mov    %dl,0x8(%rsp)
  xor    %r11d,%r11d
  mov    %ecx,%eax
  mov    %ecx,0x20(%rsp)
  and    $0xfffffffe,%ecx
  shr    %eax
  sub    %ecx,%r8d
  mov    %ecx,0x18(%rsp)
  lea    -0x1(%rax),%r9d
  movslq %r8d,%r8
  not    %r9
  shl    $0x3,%r8
  shl    $0x4,%r9
  lea    (%rbx,%r8,1),%r10
  nopw   0x0(%rax,%rax,1)
L521:
  mov    (%r15,%r11,8),%rdx
  cmp    %r14d,%r12d
  setg   %al
  lea    (%rdx,%rbp,1),%rsi
  test   %al,0x8(%rsp)
  je     L250
  lea    (%rdx,%r13,1),%rax
  cmp    %rax,%rdi
  je     L250
  mov    0x10(%rsp),%rax
  movsd  (%rsi),%xmm2
  lea    (%rdx,%rax,1),%rcx
  unpcklpd %xmm2,%xmm2
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L270:
  movupd (%rdi,%rax,1),%xmm1
  movupd (%rcx,%rax,1),%xmm0
  shufpd $0x1,%xmm1,%xmm1
  mulpd  %xmm2,%xmm1
  shufpd $0x1,%xmm0,%xmm0
  subpd  %xmm1,%xmm0
  shufpd $0x1,%xmm0,%xmm0
  movups %xmm0,(%rcx,%rax,1)
  sub    $0x10,%rax
  cmp    %rax,%r9
  jne    L270
  mov    0x20(%rsp),%ecx
  cmp    %ecx,0x18(%rsp)
  je     L499
  movsd  (%r10),%xmm1
  mulsd  (%rsi),%xmm1
  add    %r8,%rdx
  movsd  (%rdx),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rdx)
L499:
  add    $0x1,%r11
  cmp    %r11d,%r14d
  jg     L521
  addl   $0x1,0x30(%rsp)
  sub    $0x8,%rbp
  subq   $0x8,0x28(%rsp)
  sub    $0x1,%r14d
  jne    L414
L669:
  movslq 0x58(%rsp),%rbx
  mov    %rbx,0x80(%rsp)
  test   %ebx,%ebx
  jle    L161
L286:
  mov    0x58(%rsp),%r11d
  mov    $0x1,%ebx
  mov    0x80(%rsp),%rax
  test   %r11d,%r11d
  lea    0x8(,%rax,8),%r12
  lea    0x0(,%rax,8),%rbp
  cmovg  %r11d,%ebx
  xor    %r8d,%r8d
  mov    %ebx,%eax
  mov    %ebx,%r13d
  and    $0xfffffffe,%r13d
  shr    %eax
  lea    -0x1(%rax),%edi
  lea    (%r11,%r13,1),%r9d
  movslq %r13d,%r10
  add    $0x1,%rdi
  movslq %r9d,%r9
  shl    $0x3,%r10
  shl    $0x4,%rdi
  shl    $0x3,%r9
  nop
L666:
  mov    0x78(%rsp),%rax
  mov    (%r15,%r8,8),%rcx
  mov    (%rax,%r8,8),%rdx
  lea    (%rcx,%r12,1),%rax
  cmp    %rax,%rdx
  je     L96
  cmp    $0x3,%r11d
  lea    (%rcx,%rbp,1),%rsi
  setg   %r14b
  xor    %eax,%eax
  test   %r14b,%r14b
  je     L96
  nopl   0x0(%rax)
L180:
  movupd (%rsi,%rax,1),%xmm6
  movups %xmm6,(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdi
  jne    L180
  cmp    %r13d,%ebx
  je     L626
  movsd  (%rcx,%r9,1),%xmm0
  movsd  %xmm0,(%rdx,%r10,1)
L626:
  add    $0x1,%r8
  cmp    %r8d,%r11d
  jg     L666
L161:
  mov    0x58(%rsp),%esi
  mov    %r15,%rdi
  call   <zerosfree@plt>
  mov    0x78(%rsp),%rax
  add    $0x98,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L250:
  mov    0x38(%rsp),%rax
  nopl   (%rax)
L640:
  movsd  (%rbx,%rax,8),%xmm1
  mulsd  (%rsi),%xmm1
  movsd  (%rdx,%rax,8),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  sub    $0x1,%rax
  cmp    %eax,%r14d
  jle    L640
  jmp    L499
L96:
  add    %rbp,%rcx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L301:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%r11d
  jg     L301
  jmp    L626
L603:
  mov    0x88(%rsp),%edi
  xor    %eax,%eax
L269:
  movsd  (%rbx,%rax,8),%xmm0
  movsd  (%rdx,%rax,8),%xmm1
  mov    %rax,%rsi
  movsd  %xmm1,(%rbx,%rax,8)
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %rsi,%rdi
  jne    L269
  jmp    L409
L183:
  mov    0x48(%rsp),%rax
  mov    0x70(%rsp),%esi
L151:
  movsd  (%rbx,%rax,8),%xmm0
  movsd  (%rdx,%rax,8),%xmm1
  movsd  %xmm1,(%rbx,%rax,8)
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%esi
  jg     L151
  jmp    L393
L748:
  test   %r14d,%r14d
  jle    L161
  mov    0x70(%rsp),%eax
  sub    $0x1,%eax
  mov    %eax,0x5c(%rsp)
  jmp    L67
L411:
  mov    %r14d,%eax
  jmp    L145
```

tool_calls: name: extract_symbolic_data
arguments: tag: D14
datatype: byte[8]
name: extract_symbolic_data
arguments: tag: D16
datatype: byte[16]
name: extract_symbolic_data
arguments: tag: D25
datatype: byte[16]

tool: {"D14": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D16": [0xfc,0xff,0xff,0xff,0xfc,0xff,0xff,0xff,0xfc,0xff,0xff,0xff,0xfc,0xff,0xff,0xff]}

tool: {"D25": [0xff,0xff,0xff,0xff,0xfe,0xff,0xff,0xff,0xfd,0xff,0xff,0xff,0xfc,0xff,0xff,0xff]}

assistant: ```c
double **MatrixOpp(double **a, int N) {
  double t;
  double **b, **c;
  int i, j, m;
  b = zeros(N, 2 * N);
  c = zeros(N, N);
  for (i = 0; i < N; i++)
    for (j = 0; j < N; j++)
      b[i][j] = a[i][j];
  for (i = 0; i < N; i++)
    b[i][N + i] = 1;
  for (m = 0; m < N; m++) {
    t = b[m][m];
    i = m;
    while (b[m][m] == 0) {
      b[m][m] = b[i + 1][m];
      i++;
    }
    if (i > m) {
      b[i][m] = t;
      for (j = 0; j < m; j++) {
        t = b[m][j];
        b[m][j] = b[i][j];
        b[i][j] = t;
      }
      for (j = m + 1; j < 2 * N; j++) {
        t = b[m][j];
        b[m][j] = b[i][j];
        b[i][j] = t;
      }
    }
    for (i = m + 1; i < N; i++) {
      for (j = 2 * N - 1; j >= m; j--)
        b[i][j] = b[i][j] - b[i][m] * b[m][j] / b[m][m];
    }
    for (j = 2 * N - 1; j >= m; j--) {
      b[m][j] = b[m][j] / b[m][m];
    }
  }
  m = N - 1;
  while (m > 0) {
    for (i = 0; i < m; i++)
      for (j = 2 * N - 1; j >= m; j--)
        b[i][j] -= b[i][m] * b[m][j];
    m--;
  }
  for (i = 0; i < N; i++) {
    for (j = 0; j < N; j++) {
      c[i][j] = b[i][N + j];
    }
  }
  zerosfree(b, N);
  return c;
}
```