user: 请将以下的汇编代码转换成C语言代码:

```asm
<leapfrog>:
  endbr64
  push   %r15
  movapd %xmm0,%xmm4
  mov    %ecx,%r15d
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  test   %ecx,%ecx
  jle    L16
  lea    0x18(%r13),%rax
  lea    0x8(%rdi),%rbx
  movsd  D7(%rip),%xmm3
  cmp    %rax,%rbx
  lea    -0x1(%rcx),%esi
  mulsd  %xmm1,%xmm3
  setne  %bpl
  cmp    $0x5,%esi
  seta   %al
  and    %al,%bpl
  je     L52
  mov    %esi,%edi
  movapd %xmm3,%xmm5
  lea    0x8(%r13),%rcx
  mov    %rbx,%rax
  shr    $0x2,%edi
  unpcklpd %xmm5,%xmm5
  lea    -0x1(%rdi),%r8d
  shl    $0x5,%r8
  lea    0x28(%r12,%r8,1),%r8
  nopl   (%rax)
L111:
  movupd (%rcx),%xmm0
  movupd (%rax),%xmm2
  add    $0x20,%rax
  add    $0x20,%rcx
  movhpd -0x10(%rcx),%xmm0
  movhpd -0x10(%rax),%xmm2
  mulpd  %xmm5,%xmm0
  addpd  %xmm2,%xmm0
  movlpd %xmm0,-0x20(%rax)
  movhpd %xmm0,-0x10(%rax)
  cmp    %r8,%rax
  jne    L111
  lea    0x0(,%rdi,4),%eax
  lea    0x1(%rax),%ecx
  movslq %ecx,%rcx
  movsd  0x0(%r13,%rcx,8),%xmm0
  lea    (%r12,%rcx,8),%rdi
  lea    0x2(%rax),%ecx
  mulsd  %xmm3,%xmm0
  addsd  (%rdi),%xmm0
  movsd  %xmm0,(%rdi)
  cmp    %ecx,%r15d
  jle    L11
  add    $0x3,%eax
  cltq
  movsd  0x0(%r13,%rax,8),%xmm0
  lea    (%r12,%rax,8),%rcx
  mulsd  %xmm3,%xmm0
  addsd  (%rcx),%xmm0
  movsd  %xmm0,(%rcx)
L11:
  shr    %esi
  mov    %esi,%r14d
  lea    0x1(%rsi),%edi
L115:
  mov    %edi,%ecx
  movapd %xmm1,%xmm5
  mov    %r12,%rax
  shr    %ecx
  unpcklpd %xmm5,%xmm5
  sub    $0x1,%ecx
  shl    $0x5,%rcx
  lea    0x20(%r12,%rcx,1),%rcx
  nopl   0x0(%rax)
L70:
  movupd 0x10(%rax),%xmm0
  movlpd 0x8(%rax),%xmm0
  add    $0x20,%rax
  movupd -0x20(%rax),%xmm2
  mulpd  %xmm5,%xmm0
  movhpd -0x10(%rax),%xmm2
  addpd  %xmm2,%xmm0
  movlpd %xmm0,-0x20(%rax)
  movhpd %xmm0,-0x10(%rax)
  cmp    %rax,%rcx
  jne    L70
  mov    %edi,%ecx
  and    $0xfffffffe,%ecx
  lea    (%rcx,%rcx,1),%eax
  cmp    %ecx,%edi
  je     L128
L18:
  cltq
  shl    $0x3,%rax
  mulsd  0x8(%r12,%rax,1),%xmm1
  lea    (%r12,%rax,1),%rcx
  addsd  (%rcx),%xmm1
  movsd  %xmm1,(%rcx)
L128:
  movapd %xmm4,%xmm0
  mov    %r15d,%ecx
  mov    %r13,%rsi
  mov    %r12,%rdi
  movsd  %xmm3,0x8(%rsp)
  call   <deriv@plt>
  xor    %eax,%eax
  test   %bpl,%bpl
  movsd  0x8(%rsp),%xmm3
  je     L44
  mov    %r14d,%ecx
  movapd %xmm3,%xmm2
  lea    0x8(%r13),%rdx
  mov    %rbx,%rax
  shr    %ecx
  unpcklpd %xmm2,%xmm2
  sub    $0x1,%ecx
  shl    $0x5,%rcx
  lea    0x28(%r12,%rcx,1),%rcx
  nopl   (%rax)
L15:
  movupd (%rdx),%xmm0
  movupd (%rax),%xmm1
  add    $0x20,%rax
  add    $0x20,%rdx
  movhpd -0x10(%rdx),%xmm0
  movhpd -0x10(%rax),%xmm1
  mulpd  %xmm2,%xmm0
  addpd  %xmm1,%xmm0
  movlpd %xmm0,-0x20(%rax)
  movhpd %xmm0,-0x10(%rax)
  cmp    %rax,%rcx
  jne    L15
  and    $0xfffffffe,%r14d
  add    %r14d,%r14d
  lea    0x1(%r14),%eax
  cltq
  movsd  0x0(%r13,%rax,8),%xmm0
  lea    (%r12,%rax,8),%rdx
  lea    0x2(%r14),%eax
  mulsd  %xmm3,%xmm0
  addsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  cmp    %eax,%r15d
  jle    L99
  add    $0x3,%r14d
  movslq %r14d,%r14
  mulsd  0x0(%r13,%r14,8),%xmm3
  lea    (%r12,%r14,8),%rax
  addsd  (%rax),%xmm3
  movsd  %xmm3,(%rax)
L99:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L44:
  movsd  0x8(%r13,%rax,8),%xmm0
  mulsd  %xmm3,%xmm0
  addsd  0x8(%r12,%rax,8),%xmm0
  movsd  %xmm0,0x8(%r12,%rax,8)
  add    $0x2,%rax
  cmp    %eax,%r15d
  jg     L44
  jmp    L99
  nopl   0x0(%rax)
L52:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L73:
  movsd  0x8(%r13,%rax,8),%xmm0
  mulsd  %xmm3,%xmm0
  addsd  0x8(%r12,%rax,8),%xmm0
  movsd  %xmm0,0x8(%r12,%rax,8)
  add    $0x2,%rax
  cmp    %eax,%r15d
  jg     L73
  mov    %esi,%r14d
  shr    %r14d
  lea    0x1(%r14),%edi
  cmp    $0x1,%esi
  ja     L115
  xor    %eax,%eax
  jmp    L18
  nopl   0x0(%rax)
L16:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <deriv@plt>
```

tool_calls: name: read_data
arguments: label: D7
type_guessed: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0x3f]}

assistant: ```c
void leapfrog(double y[], double dydt[], void *p, int n, double t, double h) {
  for (int i = 0; i < n; i += 2)
    y[i + 1] += .5 * h * dydt[i + 1];
  for (int i = 0; i < n; i += 2)
    y[i] += h * y[i + 1];
  deriv(y, dydt, p, n, t);
  for (int i = 0; i < n; i += 2)
    y[i + 1] += .5 * h * dydt[i + 1];
}
```