user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<least_square>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r12
  push   %rbx
  sub    $0xb0,%rsp
  mov    %edi,-0x74(%rbp)
  mov    %esi,-0x78(%rbp)
  mov    %rdx,-0x80(%rbp)
  mov    %rcx,-0x88(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%r12
  mov    -0x78(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x78(%rbp),%eax
  add    $0x1,%eax
  imul   %eax,%edx
  movslq %edx,%rax
  sub    $0x1,%rax
  mov    %rax,-0x58(%rbp)
  movslq %edx,%rax
  mov    %rax,-0xa0(%rbp)
  movq   $0x0,-0x98(%rbp)
  movslq %edx,%rax
  mov    %rax,-0xb0(%rbp)
  movq   $0x0,-0xa8(%rbp)
  movslq %edx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L172:
  cmp    %rdx,%rsp
  je     L66
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L172
L66:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L36
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L36:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x50(%rbp)
  mov    -0x78(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0xc0(%rbp)
  movq   $0x0,-0xb8(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0xd0(%rbp)
  movq   $0x0,-0xc8(%rbp)
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L94:
  cmp    %rdx,%rsp
  je     L18
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L94
L18:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L159
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L159:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x74(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x38(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%ebx
  mov    $0x0,%edx
  div    %rbx
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L72:
  cmp    %rdx,%rsp
  je     L71
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L72
L71:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L26
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L26:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x30(%rbp)
  movl   $0x0,-0x64(%rbp)
  movl   $0x0,-0x60(%rbp)
  movl   $0x0,-0x5c(%rbp)
  movl   $0x0,-0x5c(%rbp)
  jmp    L139
L83:
  movl   $0x0,-0x60(%rbp)
  jmp    L106
L87:
  movl   $0x0,-0x64(%rbp)
  jmp    L143
L80:
  mov    -0x5c(%rbp),%edx
  mov    -0x60(%rbp),%eax
  add    %eax,%edx
  mov    -0x64(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x80(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rax
  mov    %edx,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  movq   %xmm0,%rax
  mov    -0x30(%rbp),%rdx
  mov    -0x64(%rbp),%ecx
  movslq %ecx,%rcx
  mov    %rax,(%rdx,%rcx,8)
  addl   $0x1,-0x64(%rbp)
L143:
  mov    -0x64(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jl     L80
  mov    -0x78(%rbp),%eax
  add    $0x1,%eax
  imul   -0x5c(%rbp),%eax
  mov    %eax,%edx
  mov    -0x60(%rbp),%eax
  lea    (%rdx,%rax,1),%ebx
  mov    -0x74(%rbp),%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <get_sum@plt>
  movq   %xmm0,%rax
  mov    -0x50(%rbp),%rdx
  movslq %ebx,%rcx
  mov    %rax,(%rdx,%rcx,8)
  addl   $0x1,-0x60(%rbp)
L106:
  mov    -0x60(%rbp),%eax
  cmp    -0x78(%rbp),%eax
  jle    L87
  movl   $0x0,-0x64(%rbp)
  jmp    L129
L162:
  mov    -0x64(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x80(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    -0x5c(%rbp),%edx
  mov    %edx,%edi
  movq   %rax,%xmm0
  call   <pow@plt>
  movq   %xmm0,%rax
  mov    -0x30(%rbp),%rdx
  mov    -0x64(%rbp),%ecx
  movslq %ecx,%rcx
  mov    %rax,(%rdx,%rcx,8)
  addl   $0x1,-0x64(%rbp)
L129:
  mov    -0x64(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jl     L162
  mov    -0x74(%rbp),%edx
  mov    -0x30(%rbp),%rcx
  mov    -0x88(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <get_crossed_sum@plt>
  movq   %xmm0,%rax
  mov    -0x40(%rbp),%rdx
  mov    -0x5c(%rbp),%ecx
  movslq %ecx,%rcx
  mov    %rax,(%rdx,%rcx,8)
  addl   $0x1,-0x5c(%rbp)
L139:
  mov    -0x5c(%rbp),%eax
  cmp    -0x78(%rbp),%eax
  jle    L83
  mov    -0x78(%rbp),%eax
  lea    0x1(%rax),%edi
  mov    -0x90(%rbp),%rcx
  mov    -0x40(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  mov    %rax,%rsi
  call   <gauss_jordan_iteration@plt>
  mov    %r12,%rsp
  nop
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L15
  call   <__stack_chk_fail@plt>
L15:
  lea    -0x20(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void least_square(uint32_t plot_num, uint32_t order, double x[], double y[], double a[]) {
  double c[(order + 1) * (order + 1)];
  double d[order + 1];
  double temp[plot_num];
  uint32_t i = 0;
  uint32_t j = 0;
  uint32_t k = 0;
  for (k = 0; k <= order; k++) {
    for (j = 0; j <= order; j++) {
      for (i = 0; i < plot_num; i++)
        temp[i] = pow(x[i], k + j);
      c[k * (order + 1) + j] = get_sum(temp, plot_num);
    }
    for (i = 0; i < plot_num; i++)
      temp[i] = pow(x[i], k);
    d[k] = get_crossed_sum(y, temp, plot_num);
  }
  gauss_jordan_iteration(order + 1, c, d, a);
}
```