user: 请将以下的汇编代码转换成C语言代码:

```asm
<cgpc>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  mov    %esi,%ebx
  lea    0x0(,%rbx,8),%r13d
  sub    $0xf8,%rsp
  mov    %rdi,0x38(%rsp)
  mov    $0x40,%edi
  mov    %rdx,0x60(%rsp)
  mov    %rcx,0x28(%rsp)
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,0x50(%rsp)
  movslq %ebx,%rax
  mov    %rax,0x8(%rsp)
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,%r15
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,%r14
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,0x18(%rsp)
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,0xe0(%rsp)
  call   <malloc@plt>
  mov    %rax,0xe8(%rsp)
  mov    %ebx,%eax
  imul   %ebx,%eax
  mov    %eax,%edi
  shl    $0x3,%edi
  mov    %edi,0x8(%rsp)
  call   <malloc@plt>
  mov    0x8(%rsp),%edi
  mov    %rax,0x58(%rsp)
  call   <malloc@plt>
  mov    %r13d,%edi
  mov    %rax,0xb8(%rsp)
  call   <malloc@plt>
  mov    0x60(%rsp),%r13
  mov    %ebx,%r8d
  mov    %ebx,%ecx
  mov    0x38(%rsp),%rsi
  mov    %r15,%rdx
  mov    $0x1,%r9d
  mov    %rax,0x8(%rsp)
  mov    %r13,%rdi
  call   <mmult@plt>
  mov    $0x1,%r8d
  mov    %ebx,%ecx
  mov    %r15,%rdx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <msub@plt>
  test   %ebx,%ebx
  jle    L315
  mov    %ebx,%eax
  mov    0xb8(%rsp),%rbp
  mov    %r13,%rsi
  movslq %ebx,%r9
  shr    %eax
  mov    %r15,0x48(%rsp)
  lea    0x8(%r13),%r8
  mov    %ebx,%r13d
  sub    $0x1,%eax
  mov    %rbp,%rdi
  mov    %r14,0x40(%rsp)
  shl    $0x3,%r9
  shl    $0x4,%rax
  mov    %r12,0x68(%rsp)
  and    $0xfffffffe,%r13d
  xor    %edx,%edx
  mov    %rax,0x20(%rsp)
  lea    -0x1(%rbx),%eax
  xor    %r10d,%r10d
  mov    %rsi,%r12
  lea    0x0(,%rax,8),%r11
  mov    %eax,0x80(%rsp)
  mov    %rbp,%rax
  mov    %r11,0x70(%rsp)
  add    $0x8,%r11
  neg    %rax
  mov    %r11,0x10(%rsp)
  mov    %rsi,%r11
  mov    %rax,%rcx
  sub    %rbp,%r11
  mov    0x20(%rsp),%rbp
  mov    %rcx,%r14
  add    $0x10,%rbp
  mov    %rbp,0x30(%rsp)
  mov    0x30(%rsp),%r15
  mov    %rdi,%rbp
  nopl   0x0(%rax)
L286:
  cmpl   $0x2,0x80(%rsp)
  mov    %rdi,%rax
  jbe    L269
  cmp    %r8,%rdi
  je     L269
  lea    (%r15,%rdi,1),%rsi
  lea    -0x8(%r8,%r14,1),%rcx
  nopl   0x0(%rax,%rax,1)
L95:
  movupd (%rax,%rcx,1),%xmm3
  add    $0x10,%rax
  movups %xmm3,-0x10(%rax)
  cmp    %rax,%rsi
  jne    L95
  cmp    %ebx,%r13d
  je     L11
  lea    (%rdx,%r13,1),%eax
  cltq
  movsd  (%r12,%rax,8),%xmm0
  movsd  %xmm0,0x0(%rbp,%rax,8)
L11:
  add    $0x1,%r10d
  add    %r9,%rdi
  add    %r9,%r8
  add    %ebx,%edx
  sub    %r9,%r14
  cmp    %r10d,%ebx
  jne    L286
  mov    0xb8(%rsp),%rbp
  mov    %ebx,%esi
  mov    0x40(%rsp),%r14
  mov    0x68(%rsp),%r12
  mov    0x48(%rsp),%r15
  mov    %rbp,%rdi
  call   <ichol@plt>
  mov    %rbp,%rdi
  mov    %ebx,%edx
  mov    %ebx,%esi
  call   <mdisplay@plt>
  mov    0x58(%rsp),%rcx
  mov    %rbp,%rdi
  mov    %ebx,%edx
  mov    %ebx,%esi
  call   <mtranspose@plt>
  mov    0x8(%rsp),%rbp
  mov    %r15,%rdx
  mov    %ebx,%esi
  mov    0x58(%rsp),%rdi
  mov    %rbp,%rcx
  call   <linsolve_lower@plt>
  mov    0x38(%rsp),%rax
  lea    0x8(%rbp),%rdx
  lea    0x10(%r14),%r9
  add    $0x8,%rax
  cmp    %rax,%r12
  setne  %al
  cmpl   $0x1,0x80(%rsp)
  seta   %cl
  and    %ecx,%eax
  cmp    %rdx,%r14
  setne  %cl
  and    %ecx,%eax
  lea    0x8(%r14),%rcx
  cmp    %rcx,%r12
  setne  %cl
  and    %ecx,%eax
  cmp    %rdx,%r12
  setne  %dl
  test   %dl,%al
  je     L235
  mov    0x38(%rsp),%rdi
  cmp    %r9,%rdi
  lea    0x10(%rdi),%r8
  mov    %rdi,%rcx
  setae  %al
  cmp    %r8,%r14
  setae  %dl
  or     %dl,%al
  je     L220
  mov    0x8(%rsp),%r11
  mov    0x20(%rsp),%rdi
  mov    %r14,%rsi
  mov    %r12,%rdx
  movapd D27(%rip),%xmm1
  mov    0x50(%rsp),%rbp
  mov    %r11,%rax
  lea    0x10(%r11,%rdi,1),%rdi
  sub    %r11,%rsi
  sub    %r11,%rcx
  sub    %r11,%rdx
  cs nopw 0x0(%rax,%rax,1)
L244:
  movupd (%rax),%xmm0
  xorpd  %xmm1,%xmm0
  movups %xmm0,(%rsi,%rax,1)
  movupd (%rcx,%rax,1),%xmm6
  movups %xmm6,(%rdx,%rax,1)
  add    $0x10,%rax
  cmp    %rdi,%rax
  jne    L244
  mov    %rbp,0x50(%rsp)
  cmp    %ebx,%r13d
  je     L231
  mov    0x8(%rsp),%rax
  mov    %r13d,%r13d
  movsd  (%rax,%r13,8),%xmm0
  mov    0x38(%rsp),%rax
  xorpd  D15(%rip),%xmm0
  movsd  %xmm0,(%r14,%r13,8)
  movsd  (%rax,%r13,8),%xmm0
  movsd  %xmm0,(%r12,%r13,8)
L231:
  mov    0x28(%rsp),%rdi
  mov    %ebx,%esi
  mov    %r8,0x20(%rsp)
  mov    %r9,0x10(%rsp)
  call   <l2norm@plt>
  mov    0x50(%rsp),%rdi
  mov    0x18(%rsp),%r11
  cmp    $0x2,%ebx
  mov    0x20(%rsp),%r8
  lea    0x8(%r12),%rdx
  movl   $0x0,0x40(%rsp)
  lea    0x8(%rdi),%rax
  lea    0x18(%rdi),%r13
  movsd  %xmm0,0x68(%rsp)
  mov    %rax,0x70(%rsp)
  lea    0x8(%r11),%r9
  mov    %r13,%rbp
  lea    0x10(%rdi),%rsi
  mov    0x80(%rsp),%eax
  mov    %r13,0x78(%rsp)
  mov    %r9,%r13
  mov    %r9,0x98(%rsp)
  mov    0x10(%rsp),%r9
  mov    %rax,%r10
  lea    0x8(,%rax,8),%rcx
  mov    %rax,0xc0(%rsp)
  setne  %al
  cmp    %r8,%rdx
  setne  %dil
  and    %edi,%eax
  cmp    %r9,%r13
  setne  %dil
  and    %edi,%eax
  cmp    %r9,%rdx
  setne  %dil
  and    %edi,%eax
  cmp    %r8,%r13
  setne  %dil
  and    %edi,%eax
  lea    (%r12,%rcx,1),%rdi
  cmp    %rdi,%rsi
  setae  %dil
  cmp    %rdx,%rbp
  setbe  %r8b
  or     %r8d,%edi
  lea    0x18(%r11),%r8
  and    %edi,%eax
  lea    0x18(%r12),%rdi
  cmp    %rdi,%r13
  setae  %dil
  cmp    %r8,%rdx
  setae  %r8b
  add    %r11,%rcx
  or     %r8d,%edi
  and    %edi,%eax
  cmp    %rcx,%rsi
  setae  %cl
  cmp    %r13,%rbp
  mov    %r10d,%r13d
  mov    0x50(%rsp),%rbp
  setbe  %sil
  or     $0x1,%r13d
  or     %esi,%ecx
  movslq %r13d,%r13
  mov    0x38(%rsp),%rsi
  and    %ecx,%eax
  shl    $0x3,%r13
  mov    %al,0x87(%rsp)
  mov    %r10d,%eax
  shr    %eax
  sub    $0x1,%eax
  shl    $0x4,%rax
  lea    0x18(%r11,%rax,1),%rax
  mov    %rax,0x90(%rsp)
  mov    %r10d,%eax
  and    $0xfffffffe,%eax
  mov    %eax,0xa4(%rsp)
  lea    (%rsi,%r13,1),%rax
  mov    %rax,0x20(%rsp)
  lea    (%r14,%r13,1),%rax
  mov    %rax,0x28(%rsp)
  lea    (%r12,%r13,1),%rax
  add    %r11,%r13
  cmp    %rdx,%rsi
  mov    %rax,0x30(%rsp)
  lea    -0x2(%rbx),%eax
  setne  %dl
  cmp    $0x2,%r10d
  lea    0x10(%r14,%rax,8),%rax
  mov    %rax,0xc8(%rsp)
  seta   %al
  and    %eax,%edx
  mov    %ebx,%eax
  shr    %eax
  mov    %dl,0x86(%rsp)
  sub    $0x1,%eax
  add    $0x1,%rax
  shl    $0x4,%rax
  mov    %rax,0x88(%rsp)
  mov    %ebx,%eax
  and    $0xfffffffe,%eax
  mov    %eax,0xa0(%rsp)
  cltq
  shl    $0x3,%rax
  lea    (%r12,%rax,1),%r10
  add    %rsi,%rax
  mov    %rax,0x10(%rsp)
  mov    %r11,%rax
  neg    %r11
  mov    %r11,0xa8(%rsp)
  mov    %r14,%r11
  sub    %rax,%r11
  mov    %r14,%rax
  neg    %rax
  mov    %r11,0xb0(%rsp)
  mov    %rax,0xd0(%rsp)
  mov    %r12,%rax
  sub    %r14,%rax
  mov    %rax,0xd8(%rsp)
  nopl   0x0(%rax,%rax,1)
L159:
  mov    0x8(%rsp),%rsi
  mov    %ebx,%r8d
  mov    $0x1,%ecx
  mov    %rbp,%rdx
  mov    $0x1,%r9d
  mov    %r15,%rdi
  mov    %r10,0x48(%rsp)
  addl   $0x1,0x40(%rsp)
  call   <mmult@plt>
  mov    0x18(%rsp),%rdx
  mov    %ebx,%r8d
  mov    %ebx,%ecx
  mov    0x60(%rsp),%rdi
  mov    $0x1,%r9d
  mov    %r14,%rsi
  call   <mmult@plt>
  mov    0x70(%rsp),%rdx
  mov    %ebx,%r8d
  mov    %r14,%rdi
  mov    0x18(%rsp),%rsi
  mov    $0x1,%r9d
  mov    $0x1,%ecx
  call   <mmult@plt>
  test   %ebx,%ebx
  movsd  0x0(%rbp),%xmm0
  mov    0x48(%rsp),%r10
  divsd  0x8(%rbp),%xmm0
  movsd  %xmm0,0x10(%rbp)
  jle    L270
  mov    0x38(%rsp),%rdi
  mulsd  (%r14),%xmm0
  mov    0x18(%rsp),%rax
  addsd  (%rdi),%xmm0
  movsd  %xmm0,(%r12)
  movsd  (%rax),%xmm0
  mulsd  0x10(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  cmp    $0x1,%ebx
  je     L270
  cmpb   $0x0,0x87(%rsp)
  je     L106
  mov    %rdi,%rcx
  movsd  0x10(%rbp),%xmm1
  mov    0xa8(%rsp),%rdi
  mov    0x98(%rsp),%rax
  mov    0x90(%rsp),%rsi
  mov    0xb0(%rsp),%r11
  unpcklpd %xmm1,%xmm1
  add    %rdi,%rcx
  lea    (%r12,%rdi,1),%rdx
  nopl   0x0(%rax)
L68:
  movupd (%r11,%rax,1),%xmm0
  movupd (%rcx,%rax,1),%xmm5
  mulpd  %xmm1,%xmm0
  addpd  %xmm5,%xmm0
  movups %xmm0,(%rdx,%rax,1)
  movupd (%rax),%xmm0
  add    $0x10,%rax
  mulpd  %xmm1,%xmm0
  movups %xmm0,-0x10(%rax)
  cmp    %rax,%rsi
  jne    L68
  mov    0xa4(%rsp),%esi
  cmp    %esi,0x80(%rsp)
  je     L270
  mov    0x28(%rsp),%rax
  movsd  0x10(%rbp),%xmm0
  mulsd  (%rax),%xmm0
  mov    0x20(%rsp),%rax
  addsd  (%rax),%xmm0
  mov    0x30(%rsp),%rax
  movsd  %xmm0,(%rax)
  movsd  0x0(%r13),%xmm0
  mulsd  0x10(%rbp),%xmm0
  movsd  %xmm0,0x0(%r13)
L270:
  mov    0x18(%rsp),%rsi
  mov    %ebx,%r8d
  mov    $0x1,%ecx
  mov    %r15,%rdx
  mov    %r15,%rdi
  mov    %r10,0x48(%rsp)
  call   <madd@plt>
  mov    0x8(%rsp),%rcx
  mov    %r15,%rdx
  mov    %ebx,%esi
  mov    0x58(%rsp),%rdi
  call   <linsolve_lower@plt>
  mov    0x78(%rsp),%rdx
  mov    %ebx,%r8d
  mov    %r15,%rdi
  mov    0x8(%rsp),%rsi
  mov    $0x1,%r9d
  mov    $0x1,%ecx
  call   <mmult@plt>
  movsd  0x18(%rbp),%xmm1
  pxor   %xmm6,%xmm6
  mov    0x48(%rsp),%r10
  ucomisd %xmm1,%xmm6
  ja     L88
  movapd %xmm1,%xmm0
  sqrtsd %xmm0,%xmm0
L90:
  divsd  0x0(%rbp),%xmm1
  movsd  D18(%rip),%xmm2
  mulsd  0x68(%rsp),%xmm2
  mov    %ebx,%esi
  movsd  %xmm1,0x20(%rbp)
  mov    $0x1,%edx
  mov    %r14,%rdi
  mov    %r10,0x50(%rsp)
  comisd %xmm0,%xmm2
  movapd %xmm1,%xmm0
  setae  0x48(%rsp)
  call   <scale@plt>
  mov    %ebx,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <mdisplay@plt>
  mov    0x8(%rsp),%rsi
  mov    %ebx,%ecx
  mov    %r14,%rdx
  mov    $0x1,%r8d
  mov    %r14,%rdi
  call   <msub@plt>
  mov    0x40(%rsp),%esi
  lea    D29(%rip),%rdi
  call   <printf@plt>
  test   %ebx,%ebx
  mov    0x50(%rsp),%r10
  jle    L213
  xor    %eax,%eax
  cmpb   $0x0,0x86(%rsp)
  je     L295
  mov    0x88(%rsp),%rdx
  mov    0x38(%rsp),%rcx
  nopl   0x0(%rax)
L25:
  movupd (%r12,%rax,1),%xmm4
  movups %xmm4,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdx
  jne    L25
  cmp    %ebx,0xa0(%rsp)
  je     L213
  movsd  (%r10),%xmm0
  mov    0x10(%rsp),%rax
  movsd  %xmm0,(%rax)
L213:
  cmpl   $0x3e7,0x40(%rsp)
  jg     L277
  cmpb   $0x0,0x48(%rsp)
  je     L159
L277:
  mov    %rbp,%rdi
  mov    %rbp,0x50(%rsp)
  call   <free@plt>
  mov    %r15,%rdi
  call   <free@plt>
  mov    %r14,%rdi
  call   <free@plt>
  mov    0xe0(%rsp),%rdi
  call   <free@plt>
  mov    0xe8(%rsp),%rdi
  call   <free@plt>
  mov    0x18(%rsp),%rdi
  call   <free@plt>
  mov    0x58(%rsp),%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0xb8(%rsp),%rdi
  call   <free@plt>
  movzbl 0x48(%rsp),%eax
  add    $0xf8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L269:
  mov    0x10(%rsp),%rax
  lea    (%rax,%rdi,1),%rcx
  mov    %rdi,%rax
  nopl   0x0(%rax)
L36:
  movsd  (%r11,%rax,1),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,-0x8(%rax)
  cmp    %rcx,%rax
  jne    L36
  jmp    L11
  nopl   0x0(%rax)
L295:
  mov    0xc0(%rsp),%rcx
  mov    0x38(%rsp),%rsi
  nopl   (%rax)
L86:
  movsd  (%r12,%rax,8),%xmm0
  mov    %rax,%rdx
  movsd  %xmm0,(%rsi,%rax,8)
  add    $0x1,%rax
  cmp    %rdx,%rcx
  jne    L86
  jmp    L213
  nopl   0x0(%rax)
L106:
  mov    %rdi,%rsi
  mov    %rax,%rcx
  lea    0x8(%r14),%rax
  mov    0xc8(%rsp),%rdx
  mov    0xd8(%rsp),%rdi
  add    0xd0(%rsp),%rsi
  sub    %r14,%rcx
  nopl   (%rax)
L211:
  movsd  0x10(%rbp),%xmm0
  mulsd  (%rax),%xmm0
  lea    (%rcx,%rax,1),%r8
  addsd  (%rsi,%rax,1),%xmm0
  movsd  %xmm0,(%rdi,%rax,1)
  movsd  (%r8),%xmm0
  mulsd  0x10(%rbp),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%r8)
  cmp    %rdx,%rax
  jne    L211
  jmp    L270
L235:
  mov    0x38(%rsp),%rax
  lea    0x10(%rax),%r8
  mov    %rax,%rcx
L220:
  mov    0x8(%rsp),%r11
  mov    0x70(%rsp),%rdi
  mov    %r14,%rsi
  mov    %r12,%rdx
  movq   D15(%rip),%xmm1
  mov    0x50(%rsp),%rbp
  mov    %r11,%rax
  lea    0x8(%r11,%rdi,1),%rdi
  sub    %r11,%rsi
  sub    %r11,%rcx
  sub    %r11,%rdx
  cs nopw 0x0(%rax,%rax,1)
L131:
  movsd  (%rax),%xmm0
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,(%rsi,%rax,1)
  movsd  (%rcx,%rax,1),%xmm0
  movsd  %xmm0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    %rax,%rdi
  jne    L131
  mov    %rbp,0x50(%rsp)
  jmp    L231
L315:
  mov    0xb8(%rsp),%rbp
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <ichol@plt>
  mov    %ebx,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <mdisplay@plt>
  mov    0x58(%rsp),%r13
  mov    %ebx,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  mov    %r13,%rcx
  call   <mtranspose@plt>
  mov    0x8(%rsp),%rcx
  mov    %r15,%rdx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <linsolve_lower@plt>
  lea    -0x1(%rbx),%eax
  lea    0x10(%r14),%r9
  mov    %eax,0x80(%rsp)
  mov    0x38(%rsp),%rax
  lea    0x10(%rax),%r8
  jmp    L231
L88:
  movapd %xmm1,%xmm0
  mov    %r10,0x50(%rsp)
  movsd  %xmm1,0x48(%rsp)
  call   <sqrt@plt>
  mov    0x50(%rsp),%r10
  movsd  0x48(%rsp),%xmm1
  jmp    L90
```

tool_calls: name: retrieve_data
arguments: label: D27
type: byte[16]
name: retrieve_data
arguments: label: D15
type: byte[16]
name: retrieve_data
arguments: label: D18
type: byte[8]
name: retrieve_data
arguments: label: D29
type: string

tool: {"D27": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

tool: {"D15": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: {"D18": [0xc4,0xbd,0xd7,0xd9,0xdf,0x7c,0xdb,0x3d]}

tool: D29: %d 


assistant: ```c
int cgpc(double *xi, int N, double *A, double *b, double *xf) {
  int i, j, t, rcode;
  int iter, siter;
  double *temp, *rk, *pk, *dx, *jac, *apk, *U, *y, *AB;
  double stol, gtol, bn;
  temp = (double *)malloc(sizeof(double) * 8);
  rk = (double *)malloc(sizeof(double) * N);
  pk = (double *)malloc(sizeof(double) * N);
  apk = (double *)malloc(sizeof(double) * N);
  dx = (double *)malloc(sizeof(double) * N);
  jac = (double *)malloc(sizeof(double) * N);
  U = (double *)malloc(sizeof(double) * N * N);
  AB = (double *)malloc(sizeof(double) * N * N);
  y = (double *)malloc(sizeof(double) * N);
  iter = 0;
  rcode = 0;
  siter = (int)1000;
  gtol = pow((double)1e-15, 1.0 / 3.0);
  stol = gtol * gtol;
  mmult(A, xi, rk, N, N, 1);
  msub(rk, b, rk, N, 1);
  for (i = 0; i < N; ++i) {
    t = i * N;
    for (j = 0; j < N; ++j) {
      AB[t + j] = A[t + j];
    }
  }
  ichol(AB, N);
  mdisplay(AB, N, N);
  mtranspose(AB, N, N, U);
  linsolve_lower(U, N, rk, y);
  for (i = 0; i < N; ++i) {
    pk[i] = -y[i];
    xf[i] = xi[i];
  }
  bn = l2norm(b, N);
  while (rcode == 0 && iter < siter) {
    iter++;
    mmult(rk, y, temp, 1, N, 1);
    mmult(A, pk, apk, N, N, 1);
    mmult(pk, apk, temp + 1, 1, N, 1);
    temp[2] = temp[0] / temp[1];
    for (i = 0; i < N; ++i) {
      xf[i] = xi[i] + temp[2] * pk[i];
      apk[i] *= temp[2];
    }
    madd(rk, apk, rk, 1, N);
    linsolve_lower(U, N, rk, y);
    mmult(rk, y, temp + 3, 1, N, 1);
    if (sqrt(temp[3]) <= stol * bn) {
      rcode = 1;
    }
    temp[4] = temp[3] / temp[0];
    scale(pk, N, 1, temp[4]);
    mdisplay(xf, 1, N);
    msub(pk, y, pk, N, 1);
    printf("%d \n", iter);
    for (i = 0; i < N; ++i) {
      xi[i] = xf[i];
    }
  }
  free(temp);
  free(rk);
  free(pk);
  free(dx);
  free(jac);
  free(apk);
  free(U);
  free(y);
  free(AB);
  return rcode;
}
```