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

```asm
<leech_three_signal_rk4>:
  endbr64
  push   %r15
  mov    %edx,%eax
  movapd %xmm0,%xmm4
  movapd %xmm0,%xmm2
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x2b8,%rsp
  movdqu 0x8(%r8),%xmm5
  movsd  D5(%rip),%xmm1
  divsd  D18(%rip),%xmm4
  mov    %rdi,0x18(%rsp)
  mov    0x2f0(%rsp),%rdi
  mov    %ecx,0x48(%rsp)
  mulsd  %xmm0,%xmm1
  movsd  (%rsi),%xmm0
  mov    %rdi,0x50(%rsp)
  mov    %fs:0x28,%rdx
  mov    %rdx,0x2a8(%rsp)
  xor    %edx,%edx
  movaps %xmm5,0x240(%rsp)
  movdqu 0x18(%r8),%xmm6
  movsd  %xmm4,(%rsp)
  movaps %xmm6,0x250(%rsp)
  movdqu 0x28(%r8),%xmm7
  movaps %xmm7,0x260(%rsp)
  movdqu 0x38(%r8),%xmm5
  movaps %xmm5,0x270(%rsp)
  movdqu 0x48(%r8),%xmm6
  movaps %xmm6,0x280(%rsp)
  movdqu 0x58(%r8),%xmm7
  movsd  %xmm0,(%rdi)
  movsd  0x18(%rsi),%xmm0
  movaps %xmm7,0x290(%rsp)
  movsd  %xmm0,0x8(%rdi)
  movsd  0x30(%rsi),%xmm0
  movsd  %xmm0,0x10(%rdi)
  cmp    $0x1,%eax
  jbe    L0
  lea    (%rax,%rax,2),%eax
  movl   $0x3,0x58(%rsp)
  mov    %r9,%r13
  mov    %eax,0x5c(%rsp)
  lea    0x240(%rsp),%rax
  movl   $0x0,0x4c(%rsp)
  mov    %rax,0x8(%rsp)
  nopl   0x0(%rax)
L10:
  mov    0x48(%rsp),%eax
  test   %eax,%eax
  je     L59
  mov    0x4c(%rsp),%r15d
  lea    0x1a0(%rsp),%r12
  movl   $0x0,0x10(%rsp)
  lea    0x150(%rsp),%r8
  mov    %r12,%rax
  lea    0x60(%rsp),%r11
  mov    %r8,%r12
  mov    %r15d,0x14(%rsp)
  lea    0x100(%rsp),%r9
  mov    %rax,%r8
  lea    0xb0(%rsp),%rbp
  lea    0x1f0(%rsp),%r14
  nopl   0x0(%rax)
L49:
  mov    0x18(%rsp),%rax
  mov    0x8(%rsp),%rdx
  mov    %r9,%rsi
  mov    %r13,%rcx
  mov    %rbx,%rdi
  mov    %r8,0x40(%rsp)
  movsd  (%rax,%r15,8),%xmm0
  mov    0x14(%rsp),%eax
  mov    %r11,0x38(%rsp)
  mov    %r9,0x20(%rsp)
  movsd  %xmm0,0x10(%r13)
  lea    0x1(%rax),%r15d
  movsd  %xmm0,0x18(%r13)
  movsd  %xmm2,0x30(%rsp)
  movsd  %xmm1,0x28(%rsp)
  call   <derivs_three@plt>
  movsd  0x28(%rsp),%xmm1
  movsd  0x30(%rsp),%xmm2
  xor    %eax,%eax
  mov    0x38(%rsp),%r11
  mov    0x20(%rsp),%r9
  mov    0x40(%rsp),%r8
  nopw   0x0(%rax,%rax,1)
L57:
  movsd  (%r9,%rax,1),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  (%rbx,%rax,1),%xmm0
  movsd  %xmm0,(%r11,%rax,1)
  add    $0x8,%rax
  cmp    $0x48,%rax
  jne    L57
  mov    0x18(%rsp),%rax
  mov    0x8(%rsp),%rdx
  mov    %r11,%rdi
  mov    %r13,%rcx
  mov    %r12,%rsi
  mov    %r9,0x30(%rsp)
  lea    (%rax,%r15,8),%rax
  mov    %r8,0x28(%rsp)
  movsd  (%rax),%xmm0
  mov    %r11,0x20(%rsp)
  movsd  %xmm1,0x40(%rsp)
  movsd  %xmm0,0x10(%r13)
  movsd  (%rax),%xmm0
  movsd  %xmm2,0x38(%rsp)
  movsd  %xmm0,0x18(%r13)
  addl   $0x2,0x14(%rsp)
  call   <derivs_three@plt>
  movsd  0x40(%rsp),%xmm1
  movsd  0x38(%rsp),%xmm2
  xor    %eax,%eax
  mov    0x20(%rsp),%r11
  mov    0x30(%rsp),%r9
  mov    0x28(%rsp),%r8
  nopl   0x0(%rax)
L72:
  movsd  (%r12,%rax,1),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  (%rbx,%rax,1),%xmm0
  movsd  %xmm0,0x0(%rbp,%rax,1)
  add    $0x8,%rax
  cmp    $0x48,%rax
  jne    L72
  mov    0x8(%rsp),%rdx
  mov    %r8,%rsi
  mov    %r13,%rcx
  mov    %rbp,%rdi
  mov    %r11,0x30(%rsp)
  mov    %r9,0x28(%rsp)
  mov    %r8,0x20(%rsp)
  movsd  %xmm1,0x40(%rsp)
  movsd  %xmm2,0x38(%rsp)
  call   <derivs_three@plt>
  movsd  0x40(%rsp),%xmm1
  movsd  0x38(%rsp),%xmm2
  xor    %eax,%eax
  mov    0x30(%rsp),%r11
  mov    0x28(%rsp),%r9
  mov    0x20(%rsp),%r8
  nopw   0x0(%rax,%rax,1)
L31:
  movsd  (%r8,%rax,1),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  (%rbx,%rax,1),%xmm0
  movsd  %xmm0,0x0(%rbp,%rax,1)
  add    $0x8,%rax
  cmp    $0x48,%rax
  jne    L31
  mov    0x14(%rsp),%r15d
  mov    0x18(%rsp),%rax
  mov    %r13,%rcx
  mov    %r14,%rsi
  mov    0x8(%rsp),%rdx
  mov    %rbp,%rdi
  mov    %r11,0x30(%rsp)
  lea    (%rax,%r15,8),%rax
  mov    %r9,0x28(%rsp)
  movsd  (%rax),%xmm0
  mov    %r8,0x20(%rsp)
  movsd  %xmm1,0x40(%rsp)
  movsd  %xmm0,0x10(%r13)
  movsd  (%rax),%xmm0
  movsd  %xmm2,0x38(%rsp)
  movsd  %xmm0,0x18(%r13)
  call   <derivs_three@plt>
  movsd  0x40(%rsp),%xmm1
  movsd  0x38(%rsp),%xmm2
  xor    %eax,%eax
  mov    0x30(%rsp),%r11
  mov    0x28(%rsp),%r9
  mov    0x20(%rsp),%r8
  nopl   0x0(%rax)
L87:
  movsd  (%r12,%rax,1),%xmm0
  addsd  (%r8,%rax,1),%xmm0
  addsd  %xmm0,%xmm0
  addsd  (%r9,%rax,1),%xmm0
  addsd  (%r14,%rax,1),%xmm0
  mulsd  (%rsp),%xmm0
  addsd  (%rbx,%rax,1),%xmm0
  movsd  %xmm0,(%rbx,%rax,1)
  add    $0x8,%rax
  cmp    $0x48,%rax
  jne    L87
  addl   $0x1,0x10(%rsp)
  mov    0x10(%rsp),%eax
  cmp    %eax,0x48(%rsp)
  jne    L49
  mov    0x4c(%rsp),%eax
  mov    0x48(%rsp),%edx
  lea    (%rax,%rdx,2),%eax
  mov    %eax,0x4c(%rsp)
L59:
  movsd  (%rbx),%xmm0
  mov    0x58(%rsp),%eax
  mov    0x50(%rsp),%rdx
  mov    %rax,%rsi
  movsd  %xmm0,(%rdx,%rax,8)
  movsd  0x18(%rbx),%xmm0
  lea    0x1(%rax),%eax
  movsd  %xmm0,(%rdx,%rax,8)
  movsd  0x30(%rbx),%xmm0
  lea    0x2(%rsi),%eax
  add    $0x3,%esi
  mov    %esi,0x58(%rsp)
  movsd  %xmm0,(%rdx,%rax,8)
  cmp    0x5c(%rsp),%esi
  jne    L10
L0:
  mov    0x2a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x2b8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D5
datatype: byte[8]
name: extract_symbolic_data
arguments: data_tag: D18
datatype: f64

tool: {"D5": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: D18: 6

assistant: ```c
void leech_three_signal_rk4(double *Kt, double *y, const double dt, const unsigned N, const unsigned stride, const double *p, double *kij, double *output) {
  unsigned i, j, k, nKt = 0;
  double dt2, dt6;
  double y1[9], y2[9], k1[9], k2[9], k3[9], k4[9], P[12];
  dt2 = dt / 2.;
  dt6 = dt / 6.;
  for (j = 0; j < 12; j++)
    P[j] = p[j + 1];
  for (j = 0; j < 3; j++)
    output[j] = y[3 * j];
  for (i = 1; i < N; i++) {
    for (j = 0; j < stride; j++) {
      kij[2] = Kt[nKt];
      kij[3] = Kt[nKt++];
      derivs_three(y, k1, P, kij);
      for (k = 0; k < 9; k++)
        y1[k] = y[k] + k1[k] * dt2;
      kij[2] = Kt[nKt];
      kij[3] = Kt[nKt++];
      derivs_three(y1, k2, P, kij);
      for (k = 0; k < 9; k++)
        y2[k] = y[k] + k2[k] * dt2;
      derivs_three(y2, k3, P, kij);
      for (k = 0; k < 9; k++)
        y2[k] = y[k] + k3[k] * dt;
      kij[2] = Kt[nKt];
      kij[3] = Kt[nKt];
      derivs_three(y2, k4, P, kij);
      for (k = 0; k < 9; k++)
        y[k] += dt6 * (k1[k] + 2. * (k2[k] + k3[k]) + k4[k]);
    }
    for (j = 0; j < 3; j++)
      output[3 * i + j] = y[3 * j];
  }
}
```