user: What would the C source look like for the assembly code provided here:

```asm
<stopcheck>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rsi,0x20(%rsp)
  mov    %rcx,0x10(%rsp)
  movsd  %xmm2,0x8(%rsp)
  movsd  %xmm3,0x18(%rsp)
  cmp    $0x1,%r9d
  je     L44
  movq   %xmm0,%rbx
  mov    %edi,%r14d
  mov    %rdx,%rbp
  mov    %r8,%r12
  movq   %xmm1,%r13
  cmp    $0x5,%r9d
  je     L72
  mov    %r9d,0x4(%rsp)
  cmp    $0xf,%r9d
  je     L34
  lea    0x0(,%rdi,8),%edi
  call   <malloc@plt>
  mov    %rax,%r15
  movq   D8(%rip),%xmm0
  movq   %rbx,%xmm4
  andpd  %xmm0,%xmm4
  movq   %r13,%xmm7
  andpd  %xmm0,%xmm7
  maxsd  %xmm7,%xmm4
  test   %r14d,%r14d
  jle    L88
  mov    %rax,%rbx
  mov    %r14d,%eax
  lea    (%r15,%rax,8),%r13
  mov    %r15,%rax
  mov    %r15,%rsi
  neg    %rsi
  mov    %rsi,0x28(%rsp)
  sub    %r15,%rbp
  movq   D8(%rip),%xmm3
  sub    %r15,%r12
  movsd  D26(%rip),%xmm6
  mov    0x10(%rsp),%rdx
  sub    %r15,%rdx
  movapd %xmm3,%xmm5
L48:
  movsd  0x0(%rbp,%rax,1),%xmm2
  andpd  %xmm3,%xmm2
  movsd  (%r12,%rax,1),%xmm0
  andpd  %xmm3,%xmm0
  movapd %xmm6,%xmm1
  divsd  %xmm0,%xmm1
  maxsd  %xmm1,%xmm2
  movsd  (%rdx,%rax,1),%xmm1
  andpd  %xmm5,%xmm1
  movapd %xmm1,%xmm0
  mulsd  %xmm2,%xmm0
  divsd  %xmm4,%xmm0
  movsd  %xmm0,(%rax)
  add    $0x8,%rax
  cmp    %r13,%rax
  jne    L48
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <array_max_abs@plt>
  movl   $0x1,0x4(%rsp)
  movsd  0x8(%rsp),%xmm7
  comisd %xmm0,%xmm7
  jae    L18
  movq   D8(%rip),%xmm3
  movsd  D26(%rip),%xmm6
  mov    0x20(%rsp),%rax
  add    0x28(%rsp),%rax
  movapd %xmm3,%xmm5
L7:
  movsd  0x0(%rbp,%rbx,1),%xmm0
  movapd %xmm0,%xmm1
  andpd  %xmm3,%xmm1
  movsd  (%r12,%rbx,1),%xmm2
  andpd  %xmm3,%xmm2
  movapd %xmm6,%xmm4
  divsd  %xmm2,%xmm4
  maxsd  %xmm4,%xmm1
  subsd  (%rax,%rbx,1),%xmm0
  andpd  %xmm5,%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%rbx)
  add    $0x8,%rbx
  cmp    %r13,%rbx
  jne    L7
L69:
  mov    %r14d,%esi
  mov    %r15,%rdi
  call   <array_max_abs@plt>
  movsd  0x18(%rsp),%xmm7
  comisd %xmm0,%xmm7
  setae  %al
  movzbl %al,%eax
  add    %eax,%eax
  mov    %eax,0x4(%rsp)
L18:
  mov    %r15,%rdi
  call   <free@plt>
L34:
  mov    0x4(%rsp),%eax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L44:
  movl   $0x3,0x4(%rsp)
  jmp    L34
L72:
  mov    %r9d,0x4(%rsp)
  jmp    L34
L88:
  mov    %r14d,%esi
  mov    %rax,%rdi
  call   <array_max_abs@plt>
  movl   $0x1,0x4(%rsp)
  movsd  0x8(%rsp),%xmm7
  comisd %xmm0,%xmm7
  jae    L18
  jmp    L69
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type_guessed: qword
name: disassemble_data
arguments: data_tag: D26
type_guessed: f64

tool: D8: 9223372036854775807

tool: D26: 1

assistant: ```c
int stopcheck(double fx, int N, double *xc, double *xf, double *jac, double *dx, double fsval, double gtol, double stol, int retval) {
  int rcode, i;
  double num, den;
  double stop0;
  double *scheck;
  rcode = 0;
  if (retval == 1) {
    rcode = 3;
    return rcode;
  }
  if (retval == 5) {
    rcode = 5;
    return rcode;
  }
  if (retval == 15) {
    rcode = 15;
    return rcode;
  }
  scheck = (double *)malloc(sizeof(double) * N);
  if (fabs(fx) > fabs(fsval)) {
    den = fabs(fx);
  } else {
    den = fabs(fsval);
  }
  for (i = 0; i < N; ++i) {
    if (fabs(xf[i]) > 1.0 / fabs(dx[i])) {
      num = fabs(xf[i]);
    } else {
      num = 1.0 / fabs(dx[i]);
    }
    scheck[i] = fabs(jac[i]) * num / den;
  }
  stop0 = array_max_abs(scheck, N);
  if (stop0 <= gtol) {
    rcode = 1;
  } else {
    for (i = 0; i < N; ++i) {
      if (fabs(xf[i]) > 1.0 / fabs(dx[i])) {
        den = fabs(xf[i]);
      } else {
        den = 1.0 / fabs(dx[i]);
      }
      num = fabs(xf[i] - xc[i]);
      scheck[i] = num / den;
    }
    stop0 = array_max_abs(scheck, N);
    if (stop0 <= stol) {
      rcode = 2;
    }
  }
  free(scheck);
  return rcode;
}
```