user: What is the c source code of the assembly code below?

```asm
<hessenberg>:
  endbr64
  push   %r15
  movslq %esi,%rax
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  lea    0x0(,%rax,8),%r12d
  push   %rbp
  mov    %r12d,%edi
  push   %rbx
  mov    %rax,%rbx
  sub    $0xd8,%rsp
  mov    %eax,0xc4(%rsp)
  mov    %rax,0xb8(%rsp)
  call   <malloc@plt>
  mov    %r12d,%edi
  mov    %rax,0x58(%rsp)
  call   <malloc@plt>
  mov    %ebx,%edi
  imul   %ebx,%edi
  mov    %rax,0x20(%rsp)
  shl    $0x3,%edi
  call   <malloc@plt>
  mov    %r12d,%edi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    %rax,0x10(%rsp)
  lea    -0x2(%rbx),%eax
  mov    %eax,0xc0(%rsp)
  test   %eax,%eax
  jle    L458
  mov    0xc4(%rsp),%eax
  test   %eax,%eax
  jle    L147
  mov    0xb8(%rsp),%rdi
  lea    -0x1(%rax),%ebx
  mov    %eax,0x70(%rsp)
  mov    %eax,%r14d
  mov    %ebx,0x60(%rsp)
  lea    -0x1(%rdi),%rbx
  mov    %eax,0x48(%rsp)
  mov    %rbx,0xc8(%rsp)
  lea    0x0(,%rbx,8),%r12
  mov    0xc0(%rsp),%ebx
  movq   $0x0,0x18(%rsp)
  mov    %ebx,0x8(%rsp)
  lea    0x8(%r13),%rbx
  mov    %rbx,0xb0(%rsp)
  mov    %rbx,0x80(%rsp)
  lea    0x0(,%rdi,8),%rbx
  mov    %rbx,(%rsp)
  mov    0x58(%rsp),%rbx
  movq   $0x0,0x68(%rsp)
  add    $0x8,%rbx
  mov    %rbx,0xa8(%rsp)
  nopl   0x0(%rax)
L117:
  mov    0x68(%rsp),%rsi
  mov    %r14d,%eax
  sub    0x60(%rsp),%eax
  mov    %eax,0x50(%rsp)
  mov    %esi,0x30(%rsp)
  mov    %esi,%ebx
  mov    %eax,0x64(%rsp)
  cmp    %eax,%r14d
  jle    L106
  movslq 0x70(%rsp),%rcx
  mov    0x8(%rsp),%edi
  lea    (%rcx,%rsi,1),%rax
  mov    0xa8(%rsp),%rsi
  mov    %rdi,0x88(%rsp)
  lea    0x0(%r13,%rax,8),%r15
  mov    0x58(%rsp),%rax
  lea    (%rsi,%rdi,8),%rsi
  mov    (%rsp),%rdi
  mov    %r15,%rdx
  nopl   (%rax)
L82:
  movsd  (%rdx),%xmm0
  add    $0x8,%rax
  add    %rdi,%rdx
  movsd  %xmm0,-0x8(%rax)
  cmp    %rsi,%rax
  jne    L82
  mov    0x60(%rsp),%esi
  mov    0x20(%rsp),%rdx
  mov    %rcx,0x28(%rsp)
  mov    0x58(%rsp),%rdi
  call   <house@plt>
  mov    0x68(%rsp),%rsi
  mov    0x60(%rsp),%r11d
  movsd  %xmm0,0x78(%rsp)
  cmp    %esi,%r14d
  jle    L170
  mov    0x28(%rsp),%rcx
  mov    %r11,%r8
  mov    (%rsp),%r9
  mov    %rbp,%rdi
  not    %r8
  lea    (%r11,%rcx,1),%rax
  shl    $0x3,%r8
  add    %rsi,%rax
  mov    0xb0(%rsp),%rsi
  lea    (%rsi,%rax,8),%rcx
  mov    0x50(%rsp),%esi
  nopw   0x0(%rax,%rax,1)
L365:
  lea    (%r8,%rcx,1),%rax
  mov    %rdi,%rdx
  nopw   0x0(%rax,%rax,1)
L49:
  movsd  (%rax),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx)
  add    %r12,%rdx
  cmp    %rcx,%rax
  jne    L49
  add    $0x1,%esi
  add    $0x8,%rdi
  add    %r9,%rcx
  cmp    %esi,%r14d
  jne    L365
L170:
  mov    0x60(%rsp),%r8d
  mov    0x48(%rsp),%ecx
  mov    %rbp,%rdi
  mov    $0x1,%r9d
  mov    0x10(%rsp),%rdx
  mov    0x20(%rsp),%rsi
  mov    %r11,0x38(%rsp)
  call   <mmult@plt>
  movsd  0x78(%rsp),%xmm0
  mov    0x48(%rsp),%esi
  mov    $0x1,%edx
  mov    0x10(%rsp),%rdi
  call   <scale@plt>
  mov    0x48(%rsp),%r9d
  mov    0x60(%rsp),%ecx
  mov    $0x1,%r8d
  mov    0x10(%rsp),%rsi
  mov    0x20(%rsp),%rdi
  mov    %rbp,%rdx
  call   <mmult@plt>
  mov    0x48(%rsp),%edi
  lea    0x8(%rbp),%rax
  mov    %rbp,%rcx
  mov    %rax,%r9
  mov    0x38(%rsp),%r11
  mov    0x30(%rsp),%edx
  sub    %r15,%rcx
  mov    %rax,0xa0(%rsp)
  mov    %edi,%eax
  mov    %edi,%esi
  mov    0x50(%rsp),%r8d
  shr    %eax
  mov    %r12,0x40(%rsp)
  and    $0xfffffffe,%esi
  mov    0x70(%rsp),%edi
  sub    $0x1,%eax
  mov    %esi,0x28(%rsp)
  add    %esi,%edx
  lea    0x8(%r12),%r10
  add    $0x1,%rax
  lea    0x8(,%r11,8),%r11
  xor    %esi,%esi
  shl    $0x4,%rax
  mov    %r11,0x38(%rsp)
  mov    0x48(%rsp),%r11d
  mov    %rax,0x30(%rsp)
  nopl   0x0(%rax,%rax,1)
L520:
  cmpl   $0x1,0x60(%rsp)
  jbe    L98
  cmp    %r9,%r15
  je     L98
  mov    0x30(%rsp),%rax
  lea    (%rax,%r15,1),%r12
  mov    %r15,%rax
L113:
  movupd (%rax),%xmm0
  movupd (%rax,%rcx,1),%xmm1
  add    $0x10,%rax
  subpd  %xmm1,%xmm0
  movups %xmm0,-0x10(%rax)
  cmp    %r12,%rax
  jne    L113
  cmp    %r11d,0x28(%rsp)
  je     L484
  lea    (%rdi,%rdx,1),%eax
  cltq
  lea    0x0(%r13,%rax,8),%r12
  lea    (%rsi,%rdx,1),%eax
  sub    %ebx,%eax
  movsd  (%r12),%xmm0
  cltq
  subsd  0x0(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%r12)
L484:
  add    $0x1,%r8d
  add    (%rsp),%r15
  add    %r10,%r9
  add    %r14d,%edi
  add    %r11d,%esi
  sub    0x18(%rsp),%rcx
  cmp    %r8d,%r14d
  jne    L520
  mov    0x50(%rsp),%edi
  mov    0x40(%rsp),%r12
  cmp    %edi,%r14d
  jle    L443
  mov    0x60(%rsp),%r11d
  mov    %r12,0x30(%rsp)
  mov    %rbp,%r8
  xor    %r9d,%r9d
  mov    0x80(%rsp),%rax
  mov    0x88(%rsp),%r15
  mov    %r11d,%r12d
  lea    0x8(%rax),%rsi
  sub    %rbp,%rax
  lea    0x8(,%r15,8),%r15
  mov    %rax,%rcx
  mov    %r11d,%eax
  mov    %rsi,0x98(%rsp)
  mov    %rsi,%r10
  shr    %eax
  mov    0x18(%rsp),%rsi
  mov    %r15,0x90(%rsp)
  lea    -0x1(%rax),%edx
  mov    %r11d,%eax
  add    $0x1,%rdx
  add    $0x8,%rsi
  and    $0xfffffffe,%eax
  shl    $0x4,%rdx
  mov    %rsi,0x28(%rsp)
  xor    %esi,%esi
  mov    %rdx,0x40(%rsp)
  mov    %eax,0x38(%rsp)
  add    %edi,%eax
  xor    %edi,%edi
  nopl   0x0(%rax)
L283:
  cmpl   $0x2,0x8(%rsp)
  mov    %r8,%rdx
  jbe    L186
  cmp    %r10,%r8
  je     L186
  mov    0x40(%rsp),%r11
  add    %r8,%r11
  nop
L490:
  movupd (%rdx,%rcx,1),%xmm2
  add    $0x10,%rdx
  movups %xmm2,-0x10(%rdx)
  cmp    %r11,%rdx
  jne    L490
  cmp    %r12d,0x38(%rsp)
  je     L564
  lea    (%rsi,%rax,1),%edx
  movslq %edx,%rdx
  movsd  0x0(%r13,%rdx,8),%xmm0
  lea    (%rdi,%rax,1),%edx
  sub    %ebx,%edx
  movslq %edx,%rdx
  movsd  %xmm0,-0x8(%rbp,%rdx,8)
L564:
  add    $0x1,%r9d
  add    0x30(%rsp),%r8
  add    (%rsp),%r10
  add    %r14d,%esi
  add    %r12d,%edi
  add    0x28(%rsp),%rcx
  cmp    %r9d,%r14d
  jne    L283
  mov    0x60(%rsp),%r15d
  mov    0x10(%rsp),%rdx
  mov    %r14d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  mov    $0x1,%r9d
  mov    0x30(%rsp),%r12
  mov    %r15d,%r8d
  call   <mmult@plt>
  movsd  0x78(%rsp),%xmm0
  mov    0x10(%rsp),%rdi
  mov    %r14d,%esi
  mov    $0x1,%edx
  call   <scale@plt>
  mov    0x20(%rsp),%rsi
  mov    %r15d,%r9d
  mov    %r14d,%ecx
  mov    0x10(%rsp),%rdi
  mov    $0x1,%r8d
  mov    %rbp,%rdx
  call   <mmult@plt>
  mov    0x50(%rsp),%esi
  cmp    %esi,%r14d
  jle    L269
  mov    $0xfffffffffffffff8,%rax
  mov    %r15d,%edi
  mov    %rbp,%rcx
  xor    %r9d,%r9d
  sub    0x18(%rsp),%rax
  and    $0xfffffffe,%edi
  mov    0x80(%rsp),%r8
  mov    %rax,0x18(%rsp)
  mov    %r15d,%eax
  mov    %edi,%edx
  mov    0xa0(%rsp),%r10
  shr    %eax
  mov    %edi,0x30(%rsp)
  add    %esi,%edx
  sub    %r8,%rcx
  lea    -0x1(%rax),%r11d
  mov    %r15d,%eax
  xor    %edi,%edi
  xor    %esi,%esi
  mov    0x88(%rsp),%r15
  add    $0x1,%r11
  shl    $0x4,%r11
  lea    0x8(,%r15,8),%r15
  mov    %r11,0x38(%rsp)
  mov    %eax,%r11d
  mov    %r15,0x40(%rsp)
  nopl   0x0(%rax)
L416:
  cmpl   $0x1,0x8(%rsp)
  jbe    L459
  cmp    %r10,%r8
  je     L459
  mov    0x38(%rsp),%rax
  lea    (%rax,%r8,1),%r15
  mov    %r8,%rax
L401:
  movupd (%rax),%xmm0
  movupd (%rax,%rcx,1),%xmm3
  add    $0x10,%rax
  subpd  %xmm3,%xmm0
  movups %xmm0,-0x10(%rax)
  cmp    %r15,%rax
  jne    L401
  cmp    %r11d,0x30(%rsp)
  je     L146
  lea    (%rsi,%rdx,1),%eax
  cltq
  lea    0x0(%r13,%rax,8),%r15
  lea    (%rdi,%rdx,1),%eax
  sub    %ebx,%eax
  movsd  (%r15),%xmm0
  cltq
  subsd  -0x8(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%r15)
L146:
  add    $0x1,%r9d
  add    (%rsp),%r8
  add    %r12,%r10
  add    %r14d,%esi
  add    %r11d,%edi
  add    0x18(%rsp),%rcx
  cmp    %r9d,%r14d
  jne    L416
L269:
  mov    0x28(%rsp),%rbx
  subl   $0x1,0x60(%rsp)
  sub    $0x8,%r12
  mov    0x60(%rsp),%eax
  addq   $0x1,0x68(%rsp)
  mov    %rbx,0x18(%rsp)
  mov    0x98(%rsp),%rbx
  subl   $0x1,0x48(%rsp)
  add    %r14d,0x70(%rsp)
  subl   $0x1,0x8(%rsp)
  mov    %rbx,0x80(%rsp)
  cmp    $0x1,%eax
  jne    L117
  mov    0x50(%rsp),%ebx
  cmp    %ebx,0xc0(%rsp)
  jle    L458
L551:
  mov    0xc4(%rsp),%ebx
  mov    0x64(%rsp),%edi
  mov    0xc0(%rsp),%ecx
  mov    %ebx,%eax
  movslq %edi,%rsi
  mov    %ebx,%r14d
  sub    %edi,%eax
  sub    %edi,%ecx
  mov    %rsi,0x48(%rsp)
  lea    -0x1(%rax),%r15d
  mov    0xc8(%rsp),%rax
  mov    %ecx,0x60(%rsp)
  mov    %r15d,0x38(%rsp)
  sub    %rsi,%rax
  lea    0x0(,%rax,8),%r12
  mov    %edi,%eax
  lea    0x1(%rsi),%rdi
  add    $0x1,%eax
  mov    %rdi,0x98(%rsp)
  lea    0x0(%r13,%rdi,8),%rdi
  mov    %eax,0x40(%rsp)
  imul   %ebx,%eax
  mov    %rdi,0x50(%rsp)
  mov    %eax,0x90(%rsp)
  mov    0xb8(%rsp),%rax
  shl    $0x3,%rax
  mov    %rax,(%rsp)
  mov    0x58(%rsp),%rax
  add    $0x8,%rax
  mov    %rax,0xa8(%rsp)
  mov    0x40(%rsp),%eax
  nopl   0x0(%rax)
L398:
  mov    0x60(%rsp),%esi
  mov    0x64(%rsp),%ebx
  mov    %eax,0x64(%rsp)
  lea    0x2(%rsi),%r15d
  cmp    %eax,%r14d
  jle    L132
  movslq 0x90(%rsp),%rcx
  mov    0x48(%rsp),%rax
  mov    %rsi,0x70(%rsp)
  mov    0xa8(%rsp),%rdi
  add    %rcx,%rax
  lea    0x0(%r13,%rax,8),%rdx
  lea    (%rdi,%rsi,8),%rsi
  mov    0x58(%rsp),%rax
  mov    (%rsp),%rdi
L34:
  movsd  (%rdx),%xmm0
  add    $0x8,%rax
  add    %rdi,%rdx
  movsd  %xmm0,-0x8(%rax)
  cmp    %rsi,%rax
  jne    L34
  mov    0x20(%rsp),%rdx
  mov    0x38(%rsp),%esi
  mov    %rcx,0x8(%rsp)
  mov    0x58(%rsp),%rdi
  call   <house@plt>
  cmp    %ebx,%r14d
  mov    0x8(%rsp),%rcx
  movsd  %xmm0,0x68(%rsp)
  jle    L507
  mov    0x38(%rsp),%r8d
  mov    0x40(%rsp),%esi
  mov    %rbp,%rdi
  mov    (%rsp),%r9
  lea    (%r8,%rcx,1),%rax
  not    %r8
  add    0x48(%rsp),%rax
  lea    0x8(%r13,%rax,8),%rcx
  shl    $0x3,%r8
  nopw   0x0(%rax,%rax,1)
L2:
  lea    (%r8,%rcx,1),%rax
  mov    %rdi,%rdx
  nop
L7:
  movsd  (%rax),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx)
  add    %r12,%rdx
  cmp    %rcx,%rax
  jne    L7
  add    $0x1,%esi
  add    $0x8,%rdi
  add    %r9,%rcx
  cmp    %esi,%r14d
  jne    L2
L507:
  mov    0x38(%rsp),%r8d
  mov    0x10(%rsp),%rdx
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  mov    $0x1,%r9d
  call   <mmult@plt>
  movsd  0x68(%rsp),%xmm0
  mov    0x10(%rsp),%rdi
  mov    %r15d,%esi
  mov    $0x1,%edx
  call   <scale@plt>
  mov    %r15d,%r9d
  mov    0x38(%rsp),%r15d
  mov    %rbp,%rdx
  mov    0x10(%rsp),%rsi
  mov    0x20(%rsp),%rdi
  mov    $0x1,%r8d
  mov    %r15d,%ecx
  call   <mmult@plt>
  mov    0x50(%rsp),%rax
  mov    %rbp,%r8
  xor    %r9d,%r9d
  mov    %r12,0x8(%rsp)
  mov    %r15d,%r12d
  lea    0x8(%rax),%rdi
  mov    %rdi,0x88(%rsp)
  mov    %rdi,%r10
  mov    %rax,%rdi
  sub    %rbp,%rax
  sub    %r13,%rdi
  mov    %rax,%rcx
  mov    %r15d,%eax
  mov    %rdi,0x18(%rsp)
  movslq 0x40(%rsp),%rdi
  shr    %eax
  lea    -0x1(%rax),%edx
  mov    %r15d,%eax
  mov    %rdi,%r11
  sub    0x48(%rsp),%r11
  add    $0x1,%rdx
  and    $0xfffffffe,%eax
  lea    -0x8(,%r11,8),%r11
  shl    $0x4,%rdx
  mov    %edi,%esi
  mov    %eax,0x28(%rsp)
  mov    %r11,0x78(%rsp)
  mov    0x70(%rsp),%r11
  add    %eax,%esi
  mov    %rdx,0x30(%rsp)
  mov    %esi,%eax
  xor    %esi,%esi
  lea    0x8(,%r11,8),%r11
  mov    %rdi,0xa0(%rsp)
  xor    %edi,%edi
  mov    %r11,0x80(%rsp)
  nopl   0x0(%rax)
L128:
  cmpl   $0x2,0x60(%rsp)
  mov    %r8,%rdx
  jbe    L19
  cmp    %r10,%r8
  je     L19
  mov    0x30(%rsp),%r11
  add    %r8,%r11
  nopw   0x0(%rax,%rax,1)
L498:
  movupd (%rdx,%rcx,1),%xmm4
  add    $0x10,%rdx
  movups %xmm4,-0x10(%rdx)
  cmp    %rdx,%r11
  jne    L498
  cmp    %r12d,0x28(%rsp)
  je     L274
  lea    (%rsi,%rax,1),%edx
  movslq %edx,%rdx
  movsd  0x0(%r13,%rdx,8),%xmm0
  lea    (%rdi,%rax,1),%edx
  sub    %ebx,%edx
  movslq %edx,%rdx
  movsd  %xmm0,-0x8(%rbp,%rdx,8)
L274:
  add    $0x1,%r9d
  add    0x8(%rsp),%r8
  add    (%rsp),%r10
  add    %r14d,%esi
  add    %r12d,%edi
  add    0x18(%rsp),%rcx
  cmp    %r9d,%r14d
  jne    L128
  mov    0x38(%rsp),%r15d
  mov    0x10(%rsp),%rdx
  mov    %r14d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  mov    $0x1,%r9d
  mov    0x8(%rsp),%r12
  mov    %r15d,%r8d
  call   <mmult@plt>
  movsd  0x68(%rsp),%xmm0
  mov    0x10(%rsp),%rdi
  mov    %r14d,%esi
  mov    $0x1,%edx
  call   <scale@plt>
  mov    0x20(%rsp),%rsi
  mov    %r15d,%r9d
  mov    %r14d,%ecx
  mov    0x10(%rsp),%rdi
  mov    $0x1,%r8d
  mov    %rbp,%rdx
  call   <mmult@plt>
  mov    0x50(%rsp),%r8
  mov    %r13,%rax
  mov    %rbp,%rcx
  mov    0x40(%rsp),%edx
  lea    0x8(%rbp),%r10
  xor    %edi,%edi
  xor    %esi,%esi
  sub    %r8,%rax
  sub    %r8,%rcx
  xor    %r9d,%r9d
  mov    %rax,0x8(%rsp)
  mov    %r15d,%eax
  shr    %eax
  lea    -0x1(%rax),%r11d
  mov    %r15d,%eax
  and    $0xfffffffe,%eax
  add    $0x1,%r11
  mov    %eax,0x18(%rsp)
  add    %eax,%edx
  mov    0xa0(%rsp),%rax
  shl    $0x4,%r11
  sub    0x48(%rsp),%rax
  mov    %r11,0x28(%rsp)
  mov    %r15d,%r11d
  lea    -0x8(,%rax,8),%rax
  mov    %rax,0x30(%rsp)
  mov    0x70(%rsp),%rax
  lea    0x8(,%rax,8),%rax
  mov    %rax,0x48(%rsp)
  nopl   (%rax)
L226:
  cmp    %r10,%r8
  je     L61
  cmpl   $0x1,0x60(%rsp)
  jbe    L61
  mov    0x28(%rsp),%rax
  lea    (%rax,%r8,1),%r15
  mov    %r8,%rax
  nopl   0x0(%rax,%rax,1)
L403:
  movupd (%rax),%xmm0
  movupd (%rax,%rcx,1),%xmm5
  add    $0x10,%rax
  subpd  %xmm5,%xmm0
  movups %xmm0,-0x10(%rax)
  cmp    %r15,%rax
  jne    L403
  cmp    %r11d,0x18(%rsp)
  je     L24
  lea    (%rdx,%rsi,1),%eax
  cltq
  lea    0x0(%r13,%rax,8),%r15
  lea    (%rdx,%rdi,1),%eax
  sub    %ebx,%eax
  movsd  (%r15),%xmm0
  cltq
  subsd  -0x8(%rbp,%rax,8),%xmm0
  movsd  %xmm0,(%r15)
L24:
  add    $0x1,%r9d
  add    (%rsp),%r8
  add    %r12,%r10
  add    %r14d,%esi
  add    %r11d,%edi
  add    0x8(%rsp),%rcx
  cmp    %r9d,%r14d
  jne    L226
L184:
  mov    0x88(%rsp),%rax
  subl   $0x1,0x38(%rsp)
  sub    $0x8,%r12
  mov    0x98(%rsp),%rbx
  subl   $0x1,0x60(%rsp)
  mov    %rax,0x50(%rsp)
  mov    0x40(%rsp),%eax
  add    %r14d,0x90(%rsp)
  mov    %rbx,0x48(%rsp)
  cmp    %eax,0xc0(%rsp)
  jle    L458
  add    $0x1,%rbx
  add    $0x1,%eax
  mov    %rbx,0x98(%rsp)
  mov    %eax,0x40(%rsp)
  jmp    L398
  nopw   0x0(%rax,%rax,1)
L61:
  mov    0x30(%rsp),%rax
  mov    0x48(%rsp),%r15
  add    %r8,%rax
  add    %r8,%r15
L53:
  movsd  (%rax),%xmm0
  subsd  (%rax,%rcx,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,-0x8(%rax)
  cmp    %rax,%r15
  jne    L53
  jmp    L24
  nopl   0x0(%rax)
L19:
  mov    0x80(%rsp),%r11
  mov    0x78(%rsp),%rdx
  lea    (%r11,%r8,1),%r15
  add    %r8,%rdx
  lea    -0x8(%rcx),%r11
  nopl   0x0(%rax,%rax,1)
L364:
  movsd  0x8(%r11,%rdx,1),%xmm0
  add    $0x8,%rdx
  movsd  %xmm0,-0x8(%rdx)
  cmp    %r15,%rdx
  jne    L364
  jmp    L274
  nopw   0x0(%rax,%rax,1)
L459:
  mov    0x40(%rsp),%rax
  lea    (%rax,%r8,1),%r15
  mov    %r8,%rax
  nopl   0x0(%rax)
L500:
  movsd  (%rax),%xmm0
  subsd  (%rax,%rcx,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,-0x8(%rax)
  cmp    %r15,%rax
  jne    L500
  jmp    L146
  nopl   0x0(%rax)
L186:
  mov    0x90(%rsp),%rdx
  lea    -0x8(%rcx),%r11
  lea    (%rdx,%r8,1),%r15
  mov    %r8,%rdx
  nopl   0x0(%rax,%rax,1)
L74:
  movsd  0x8(%r11,%rdx,1),%xmm0
  add    $0x8,%rdx
  movsd  %xmm0,-0x8(%rdx)
  cmp    %r15,%rdx
  jne    L74
  jmp    L564
  nopw   0x0(%rax,%rax,1)
L98:
  mov    0x38(%rsp),%rax
  lea    (%rax,%r15,1),%r12
  mov    %r15,%rax
  nopl   0x0(%rax)
L492:
  movsd  (%rax),%xmm0
  subsd  (%rax,%rcx,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,-0x8(%rax)
  cmp    %r12,%rax
  jne    L492
  jmp    L484
L458:
  mov    0x58(%rsp),%rdi
  call   <free@plt>
  mov    0x20(%rsp),%rdi
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x10(%rsp),%rdi
  add    $0xd8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1090 <free@plt>
L106:
  mov    0x60(%rsp),%ebx
  mov    0x20(%rsp),%rdx
  mov    0x58(%rsp),%rdi
  mov    %ebx,%esi
  call   <house@plt>
  mov    0x48(%rsp),%r15d
  mov    %ebx,%r8d
  mov    %rbp,%rdi
  mov    %ebx,0x60(%rsp)
  mov    0x10(%rsp),%rbx
  mov    $0x1,%r9d
  mov    0x20(%rsp),%rsi
  mov    %r15d,%ecx
  movsd  %xmm0,0x78(%rsp)
  mov    %rbx,%rdx
  call   <mmult@plt>
  mov    $0x1,%edx
  mov    %r15d,%esi
  mov    %rbx,%rdi
  movsd  0x78(%rsp),%xmm0
  call   <scale@plt>
  mov    0x60(%rsp),%ecx
  mov    %r15d,%r9d
  mov    %rbp,%rdx
  mov    0x20(%rsp),%rdi
  mov    $0x1,%r8d
  mov    %rbx,%rsi
  call   <mmult@plt>
L443:
  mov    0x10(%rsp),%rbx
  mov    0x20(%rsp),%r15
  mov    %r14d,%ecx
  mov    %rbp,%rdi
  mov    0x60(%rsp),%r8d
  mov    $0x1,%r9d
  mov    %rbx,%rdx
  mov    %r15,%rsi
  call   <mmult@plt>
  mov    $0x1,%edx
  mov    %r14d,%esi
  mov    %rbx,%rdi
  movsd  0x78(%rsp),%xmm0
  call   <scale@plt>
  mov    0x60(%rsp),%r9d
  mov    %r14d,%ecx
  mov    %rbp,%rdx
  mov    $0x1,%r8d
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <mmult@plt>
  mov    0x80(%rsp),%rax
  add    $0x8,%rax
  mov    %rax,0x98(%rsp)
  mov    0x18(%rsp),%rax
  add    $0x8,%rax
  mov    %rax,0x28(%rsp)
  jmp    L269
L132:
  mov    0x20(%rsp),%rdx
  mov    0x38(%rsp),%esi
  mov    0x58(%rsp),%rdi
  call   <house@plt>
  mov    0x38(%rsp),%r8d
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x10(%rsp),%rdx
  mov    0x20(%rsp),%rsi
  mov    $0x1,%r9d
  movq   %xmm0,%rbx
  call   <mmult@plt>
  mov    0x10(%rsp),%rdi
  mov    %r15d,%esi
  movq   %rbx,%xmm0
  mov    $0x1,%edx
  call   <scale@plt>
  mov    %r15d,%r9d
  mov    0x10(%rsp),%r15
  mov    %rbp,%rdx
  mov    0x38(%rsp),%ecx
  mov    0x20(%rsp),%rdi
  mov    $0x1,%r8d
  mov    %r15,%rsi
  call   <mmult@plt>
  mov    0x38(%rsp),%r8d
  mov    $0x1,%r9d
  mov    %r14d,%ecx
  test   %r14d,%r14d
  jle    L255
  mov    0x10(%rsp),%r15
L255:
  mov    0x20(%rsp),%rsi
  mov    %r15,%rdx
  mov    %rbp,%rdi
  call   <mmult@plt>
  movq   %rbx,%xmm0
  mov    %r14d,%esi
  mov    %r15,%rdi
  mov    $0x1,%edx
  call   <scale@plt>
  mov    0x38(%rsp),%r9d
  mov    %r14d,%ecx
  mov    %rbp,%rdx
  mov    0x20(%rsp),%rsi
  mov    $0x1,%r8d
  mov    %r15,%rdi
  call   <mmult@plt>
  mov    0x50(%rsp),%rax
  add    $0x8,%rax
  mov    %rax,0x88(%rsp)
  jmp    L184
L147:
  mov    0xb8(%rsp),%rax
  movl   $0x0,0x64(%rsp)
  sub    $0x1,%rax
  mov    %rax,0xc8(%rsp)
  jmp    L551
```

assistant: ```c
void hessenberg(double *A, int N) {
  int k, i, j, t, u;
  double *x, *v, *AT, *w;
  double beta;
  x = (double *)malloc(sizeof(double) * N);
  v = (double *)malloc(sizeof(double) * N);
  AT = (double *)malloc(sizeof(double) * N * N);
  w = (double *)malloc(sizeof(double) * N);
  for (k = 0; k < N - 2; ++k) {
    for (i = k + 1; i < N; ++i) {
      x[i - k - 1] = A[i * N + k];
    }
    beta = house(x, N - k - 1, v);
    for (i = k + 1; i < N; i++) {
      t = i * N;
      u = 0;
      for (j = k; j < N; j++) {
        AT[u + i - k - 1] = A[j + t];
        u += (N - k - 1);
      }
    }
    mmult(AT, v, w, N - k, N - k - 1, 1);
    scale(w, N - k, 1, beta);
    mmult(v, w, AT, N - k - 1, 1, N - k);
    for (i = k + 1; i < N; i++) {
      t = i * N;
      for (j = k; j < N; j++) {
        A[t + j] -= AT[(i - k - 1) * (N - k) + j - k];
      }
    }
    for (i = 0; i < N; i++) {
      t = i * N;
      u = i * (N - k - 1);
      for (j = k + 1; j < N; j++) {
        AT[u + j - k - 1] = A[t + j];
      }
    }
    mmult(AT, v, w, N, N - k - 1, 1);
    scale(w, N, 1, beta);
    mmult(w, v, AT, N, 1, N - k - 1);
    for (i = 0; i < N; i++) {
      t = i * N;
      u = i * (N - k - 1);
      for (j = k + 1; j < N; j++) {
        A[t + j] -= AT[u + j - k - 1];
      }
    }
  }
  free(x);
  free(v);
  free(AT);
  free(w);
}
```