user: Demonstrate the C code that generates the assembly output below:

```asm
<rkStep>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %edi,%ebx
  mov    %rsi,%r12
  mov    %rdx,-0x60(%rbp)
  movsd  %xmm0,-0x70(%rbp)
  movsd  %xmm1,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %edi,%rdx
  shl    $0x3,%rdx
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L208:
  cmp    %rcx,%rsp
  je     L193
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L208
L193:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L123
  orq    $0x0,-0x8(%rsp,%rax,1)
L123:
  mov    %rsp,-0x58(%rbp)
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L113:
  cmp    %rcx,%rsp
  je     L147
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L113
L147:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L163
  orq    $0x0,-0x8(%rsp,%rax,1)
L163:
  mov    %rsp,%r14
  lea    0xf(%rdx),%rax
  mov    %rax,%rsi
  and    $0xfffffffffffffff0,%rsi
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rcx
  sub    %rax,%rcx
L58:
  cmp    %rcx,%rsp
  je     L158
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L58
L158:
  mov    %rsi,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L108
  orq    $0x0,-0x8(%rsp,%rax,1)
L108:
  mov    %rsp,%r15
  lea    0xf(%rdx),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rsi
  sub    %rax,%rsi
L124:
  cmp    %rsi,%rsp
  je     L13
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L124
L13:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L31
  orq    $0x0,-0x8(%rsp,%rax,1)
L31:
  mov    %rsp,-0x68(%rbp)
  add    $0xf,%rdx
  mov    %rdx,%rax
  and    $0xfffffffffffffff0,%rax
  and    $0xfffffffffffff000,%rdx
  mov    %rsp,%rcx
  sub    %rdx,%rcx
L188:
  cmp    %rcx,%rsp
  je     L37
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L188
L37:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L73
  orq    $0x0,-0x8(%rsp,%rdx,1)
L73:
  mov    %rsp,%r13
  mov    -0x58(%rbp),%rsi
  mov    %r12,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  test   %ebx,%ebx
  jle    L210
  movsd  -0x48(%rbp),%xmm3
  mulsd  D16(%rip),%xmm3
  movsd  %xmm3,-0x50(%rbp)
  mov    %ebx,%ebx
  mov    $0x0,%eax
L95:
  mov    -0x58(%rbp),%rcx
  movsd  -0x50(%rbp),%xmm0
  mulsd  (%rcx,%rax,8),%xmm0
  addsd  (%r12,%rax,8),%xmm0
  movsd  %xmm0,0x0(%r13,%rax,8)
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L95
  mov    %r14,%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  mov    $0x0,%eax
L201:
  movsd  -0x50(%rbp),%xmm0
  mulsd  (%r14,%rax,8),%xmm0
  addsd  (%r12,%rax,8),%xmm0
  movsd  %xmm0,0x0(%r13,%rax,8)
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L201
  mov    %r15,%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  mov    $0x0,%eax
L159:
  movsd  -0x48(%rbp),%xmm0
  mulsd  (%r15,%rax,8),%xmm0
  addsd  (%r12,%rax,8),%xmm0
  movsd  %xmm0,0x0(%r13,%rax,8)
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L159
  mov    -0x68(%rbp),%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  mov    $0x0,%eax
  movsd  D19(%rip),%xmm1
L119:
  movsd  (%r14,%rax,8),%xmm0
  addsd  (%r15,%rax,8),%xmm0
  addsd  %xmm0,%xmm0
  mov    -0x58(%rbp),%rdi
  addsd  (%rdi,%rax,8),%xmm0
  mov    -0x68(%rbp),%rdx
  addsd  (%rdx,%rax,8),%xmm0
  mulsd  -0x48(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  addsd  (%r12,%rax,8),%xmm0
  mov    -0x60(%rbp),%rsi
  movsd  %xmm0,(%rsi,%rax,8)
  add    $0x1,%rax
  cmp    %rbx,%rax
  jne    L119
L69:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L103
  mov    $0x0,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L210:
  mov    %r14,%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  mov    %r15,%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  mov    -0x68(%rbp),%rsi
  mov    %r13,%rdi
  movsd  -0x70(%rbp),%xmm0
  call   <kepler@plt>
  jmp    L69
L103:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D16
type_guessed: f64
name: extract_symbolic_data
arguments: data_tag: D19
type_guessed: f64

tool: D16: 0.5

tool: D19: 6

assistant: ```c
int rkStep(int neqn, double *y, double *yp, double t, double dt) {
  double k1[neqn], k2[neqn], k3[neqn], k4[neqn], yt[neqn];
  int i;
  kepler(t, y, k1);
  for (i = 0; i < neqn; i++) {
    yt[i] = y[i] + 0.5 * dt * k1[i];
  }
  kepler(t, yt, k2);
  for (i = 0; i < neqn; i++) {
    yt[i] = y[i] + 0.5 * dt * k2[i];
  }
  kepler(t, yt, k3);
  for (i = 0; i < neqn; i++) {
    yt[i] = y[i] + dt * k3[i];
  }
  kepler(t, yt, k4);
  for (i = 0; i < neqn; i++) {
    yp[i] = y[i] + dt * (k1[i] + 2.0 * (k2[i] + k3[i]) + k4[i]) / 6.0;
  }
  return 0;
}
```