user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<brent>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  movsd  %xmm0,-0x48(%rbp)
  movsd  %xmm1,-0x50(%rbp)
  mov    %edi,-0x54(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    -0x54(%rbp),%eax
  mov    %eax,%edi
  call   <max_err@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x48(%rbp),%rax
  mov    -0x60(%rbp),%rdx
  movq   %rax,%xmm0
  call   *%rdx
  movq   %xmm0,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x50(%rbp),%rax
  mov    -0x60(%rbp),%rdx
  movq   %rax,%xmm0
  call   *%rdx
  movq   %xmm0,%rax
  mov    %rax,-0x20(%rbp)
L43:
  movsd  -0x48(%rbp),%xmm0
  addsd  -0x50(%rbp),%xmm0
  movsd  D8(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    -0x60(%rbp),%rdx
  movq   %rax,%xmm0
  call   *%rdx
  movq   %xmm0,%rax
  mov    %rax,-0x8(%rbp)
  movsd  -0x48(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  subsd  -0x20(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  -0x28(%rbp),%xmm1
  subsd  -0x8(%rbp),%xmm1
  movapd %xmm0,%xmm2
  divsd  %xmm1,%xmm2
  movsd  -0x50(%rbp),%xmm0
  mulsd  -0x28(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x20(%rbp),%xmm1
  subsd  -0x28(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  -0x20(%rbp),%xmm1
  subsd  -0x8(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  addsd  %xmm0,%xmm2
  movsd  -0x10(%rbp),%xmm0
  mulsd  -0x28(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x8(%rbp),%xmm1
  subsd  -0x28(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  movsd  -0x8(%rbp),%xmm1
  subsd  -0x20(%rbp),%xmm1
  divsd  %xmm1,%xmm0
  addsd  %xmm2,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x8(%rbp),%xmm3
  movsd  -0x30(%rbp),%xmm2
  movsd  -0x38(%rbp),%xmm1
  movsd  -0x50(%rbp),%xmm0
  mov    -0x48(%rbp),%rax
  movapd %xmm3,%xmm4
  movapd %xmm2,%xmm3
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <condicoes@plt>
  test   %eax,%eax
  jne    L16
  movsd  -0x50(%rbp),%xmm0
  subsd  -0x48(%rbp),%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movsd  -0x20(%rbp),%xmm1
  movapd %xmm1,%xmm2
  subsd  -0x28(%rbp),%xmm2
  movapd %xmm0,%xmm1
  divsd  %xmm2,%xmm1
  movsd  -0x50(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x8(%rbp),%xmm3
  movsd  -0x30(%rbp),%xmm2
  movsd  -0x38(%rbp),%xmm1
  movsd  -0x50(%rbp),%xmm0
  mov    -0x48(%rbp),%rax
  movapd %xmm3,%xmm4
  movapd %xmm2,%xmm3
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <condicoes@plt>
  test   %eax,%eax
  jne    L16
  movsd  -0x10(%rbp),%xmm0
  movsd  %xmm0,-0x38(%rbp)
L16:
  mov    -0x38(%rbp),%rax
  mov    -0x60(%rbp),%rdx
  movq   %rax,%xmm0
  call   *%rdx
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x30(%rbp),%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  jbe    L34
  movsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  jmp    L18
L34:
  movsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x30(%rbp),%xmm0
  movsd  %xmm0,-0x28(%rbp)
L18:
  movsd  -0x30(%rbp),%xmm0
  movq   D2(%rip),%xmm1
  andpd  %xmm1,%xmm0
  comisd -0x18(%rbp),%xmm0
  jae    L43
  movsd  -0x38(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D8
type: byte[8]
name: parse_data
arguments: data_label: D2
type: qword

tool: {"D8": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40]}

tool: D2: 9223372036854775807

assistant: ```c
double brent(double x0, double x1, int p, double (*f)(double x)) {
  double xm, fxm, x2, fx2;
  double maxerr = max_err(p);
  double fx0 = f(x0);
  double fx1 = f(x1);
  do {
    xm = (x0 + x1) / 2;
    fxm = f(xm);
    x2 = x0 * fx1 * fxm / (fx0 - fx1) / (fx0 - fxm) + x1 * fx0 * fxm / (fx1 - fx0) / (fx1 - fxm) + xm * fx0 * fx1 / (fxm - fx0) / (fxm - fx1);
    if (!condicoes(x0, x1, x2, fx2, fxm)) {
      x2 = x1 - fx1 * (x1 - x0) / (fx1 - fx0);
      if (!condicoes(x0, x1, x2, fx2, fxm)) {
        x2 = xm;
      }
    }
    fx2 = f(x2);
    if (fx0 * fx2 < 0) {
      x1 = x2;
      fx1 = fx2;
    } else {
      x0 = x2;
      fx0 = fx2;
    }
  } while (fabs(fx2) >= maxerr);
  return x2;
}
```