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

```asm
<solve1RK>:
  endbr64
  push   %r14
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  subsd  D36(%rip),%xmm1
  comisd D20(%rip),%xmm1
  movsd  %xmm0,(%rsp)
  jbe    L13
  movq   %xmm1,%r14
  mov    %rsi,%rbp
  mov    %rdi,%rbx
  xor    %r12d,%r12d
  nopw   0x0(%rax,%rax,1)
L2:
  movsd  (%rbx),%xmm0
  add    $0x1,%r12d
  add    $0x8,%rbp
  add    $0x8,%rbx
  movsd  -0x8(%rbp),%xmm2
  movsd  %xmm2,0x38(%rsp)
  call   <dp1@plt>
  movsd  (%rsp),%xmm3
  movsd  D13(%rip),%xmm8
  movapd %xmm0,%xmm1
  movsd  -0x8(%rbp),%xmm0
  mulsd  %xmm1,%xmm8
  movsd  %xmm1,0x30(%rsp)
  mulsd  %xmm3,%xmm8
  addsd  %xmm0,%xmm8
  mulsd  D13(%rip),%xmm0
  movsd  %xmm8,0x28(%rsp)
  mulsd  %xmm3,%xmm0
  addsd  -0x8(%rbx),%xmm0
  call   <dp1@plt>
  movsd  D13(%rip),%xmm6
  movsd  (%rsp),%xmm3
  movapd %xmm0,%xmm5
  movsd  -0x8(%rbp),%xmm0
  mulsd  %xmm5,%xmm6
  movsd  %xmm5,0x20(%rsp)
  mulsd  %xmm3,%xmm6
  addsd  %xmm0,%xmm6
  mulsd  D13(%rip),%xmm0
  movsd  %xmm6,0x18(%rsp)
  mulsd  %xmm3,%xmm0
  addsd  -0x8(%rbx),%xmm0
  call   <dp1@plt>
  movsd  (%rsp),%xmm6
  movapd %xmm0,%xmm7
  movsd  -0x8(%rbp),%xmm0
  movapd %xmm6,%xmm9
  movsd  %xmm7,0x10(%rsp)
  mulsd  %xmm7,%xmm9
  addsd  %xmm0,%xmm9
  mulsd  %xmm6,%xmm0
  addsd  -0x8(%rbx),%xmm0
  movsd  %xmm9,0x8(%rsp)
  call   <dp1@plt>
  mov    D68(%rip),%rax
  movsd  0x38(%rsp),%xmm2
  movsd  0x28(%rsp),%xmm8
  movsd  0x18(%rsp),%xmm6
  movq   %rax,%xmm4
  mov    D48(%rip),%rax
  movsd  0x30(%rsp),%xmm1
  divsd  %xmm4,%xmm2
  movsd  0x20(%rsp),%xmm5
  movsd  0x8(%rsp),%xmm9
  movq   %rax,%xmm3
  movsd  0x10(%rsp),%xmm7
  divsd  %xmm3,%xmm8
  divsd  %xmm3,%xmm6
  addsd  %xmm8,%xmm2
  divsd  %xmm3,%xmm5
  addsd  %xmm6,%xmm2
  movsd  (%rsp),%xmm6
  divsd  %xmm4,%xmm1
  divsd  %xmm4,%xmm9
  addsd  %xmm5,%xmm1
  movq   %r14,%xmm5
  divsd  %xmm3,%xmm7
  addsd  %xmm9,%xmm2
  mulsd  %xmm6,%xmm2
  addsd  -0x8(%rbx),%xmm2
  movsd  %xmm2,(%rbx)
  divsd  %xmm4,%xmm0
  addsd  %xmm7,%xmm1
  addsd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %r12d,%xmm0
  mulsd  %xmm6,%xmm1
  addsd  -0x8(%rbp),%xmm1
  movsd  %xmm1,0x0(%rbp)
  comisd %xmm0,%xmm5
  ja     L2
L13:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r14
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D36
datatype: byte[8]
name: retrieve_data
arguments: tag: D20
datatype: byte[16]
name: retrieve_data
arguments: tag: D13
datatype: f64
name: retrieve_data
arguments: tag: D68
datatype: f64
name: retrieve_data
arguments: tag: D48
datatype: f64

tool: {"D36": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D20": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

tool: D13: 0.5

tool: D68: 6

tool: D48: 3

assistant: ```c
void solve1RK(double *q1, double *p1, double dt, double Nsteps) {
  double k1, k2, k3, k4;
  double l1, l2, l3, l4;
  int i;
  for (i = 0; i < Nsteps - 1; i++) {
    k1 = p1[i];
    l1 = dp1(q1[i]);
    k2 = p1[i] + 0.5 * l1 * dt;
    l2 = dp1(q1[i] + 0.5 * p1[i] * dt);
    k3 = p1[i] + 0.5 * l2 * dt;
    l3 = dp1(q1[i] + 0.5 * p1[i] * dt);
    k4 = p1[i] + l3 * dt;
    l4 = dp1(q1[i] + p1[i] * dt);
    q1[i + 1] = q1[i] + (k1 / 6.0 + k2 / 3.0 + k3 / 3.0 + k4 / 6.0) * dt;
    p1[i + 1] = p1[i] + (l1 / 6.0 + l2 / 3.0 + l3 / 3.0 + l4 / 6.0) * dt;
  }
}
```