user: Translate the below assembly code into C programming language:

```asm
<radf2>:
  endbr64
  push   %r15
  mov    %edi,%r9d
  mov    %esi,%r11d
  mov    %rcx,%r10
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  test   %esi,%esi
  jle    L145
  cmp    $0x1,%edi
  jne    L165
  movslq %esi,%rax
  mov    %rax,%rcx
  lea    (%rdx,%rax,8),%rdx
  shl    $0x4,%rcx
  cmp    %rdx,%r10
  lea    (%r10,%rcx,1),%rdi
  setae  %sil
  cmp    %rdi,%rbx
  setae  %r8b
  or     %r8d,%esi
  cmp    $0x1,%r11d
  setne  %r8b
  test   %r8b,%sil
  je     L41
  add    %rbx,%rcx
  cmp    %rcx,%r10
  setae  %cl
  cmp    %rdi,%rdx
  setae  %sil
  or     %sil,%cl
  je     L41
  mov    %r11d,%ecx
  xor    %eax,%eax
  shr    %ecx
  shl    $0x4,%rcx
  nopl   0x0(%rax,%rax,1)
L86:
  movupd (%rbx,%rax,1),%xmm6
  movupd (%rdx,%rax,1),%xmm1
  movupd (%rdx,%rax,1),%xmm7
  addpd  %xmm6,%xmm1
  movapd %xmm6,%xmm0
  subpd  %xmm7,%xmm0
  movapd %xmm1,%xmm2
  unpcklpd %xmm0,%xmm2
  unpckhpd %xmm0,%xmm1
  movups %xmm2,(%r10,%rax,2)
  movups %xmm1,0x10(%r10,%rax,2)
  add    $0x10,%rax
  cmp    %rax,%rcx
  jne    L86
  mov    %r11d,%eax
  and    $0xfffffffe,%eax
  test   $0x1,%r11b
  je     L91
  add    %eax,%r11d
  mov    %eax,%edx
  add    %eax,%eax
  movslq %r11d,%r11
  lea    (%rbx,%rdx,8),%rcx
  movslq %eax,%rsi
  add    $0x2,%eax
  lea    (%rbx,%r11,8),%rdx
  cltq
  movsd  (%rdx),%xmm0
  addsd  (%rcx),%xmm0
  movsd  %xmm0,(%r10,%rsi,8)
  movsd  (%rcx),%xmm0
  subsd  (%rdx),%xmm0
  movsd  %xmm0,-0x8(%r10,%rax,8)
L91:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L165:
  movslq %edi,%rax
  lea    (%rdi,%rdi,1),%esi
  mov    %r11d,%edi
  imul   %r9d,%edi
  movslq %esi,%rsi
  lea    0x0(,%rax,8),%rbp
  mov    %rdx,%rax
  shl    $0x3,%rsi
  mov    %rcx,%rdx
  xor    %ecx,%ecx
  movslq %edi,%rdi
  nopl   0x0(%rax,%rax,1)
L125:
  movsd  (%rax),%xmm0
  addsd  (%rax,%rdi,8),%xmm0
  add    $0x1,%ecx
  movsd  %xmm0,(%rdx)
  movsd  (%rax),%xmm0
  subsd  (%rax,%rdi,8),%xmm0
  add    %rbp,%rax
  movsd  %xmm0,-0x8(%rdx,%rsi,1)
  add    %rsi,%rdx
  cmp    %ecx,%r11d
  jne    L125
L145:
  cmp    $0x1,%r9d
  jle    L91
  cmp    $0x2,%r9d
  je     L146
  mov    %r9d,%eax
  and    $0x1,%eax
  mov    %eax,-0xc(%rsp)
  test   %r11d,%r11d
  jle    L91
  mov    %r11d,%r13d
  movslq %r9d,%rax
  lea    (%r9,%r9,1),%r12d
  mov    %r10,%rsi
  imul   %r9d,%r13d
  movslq %r12d,%r12
  mov    %rax,-0x18(%rsp)
  xor    %ebp,%ebp
  shl    $0x3,%r12
  lea    0x0(,%rax,8),%r15
  lea    -0x18(%r12),%r14
  movslq %r13d,%r13
  shl    $0x3,%r13
  lea    (%rbx,%r13,1),%rdi
  nopl   0x0(%rax)
L121:
  mov    %rdi,%rdx
  lea    (%r14,%rsi,1),%rcx
  mov    $0x2,%eax
  sub    %r13,%rdx
  nopw   0x0(%rax,%rax,1)
L104:
  movsd  -0x10(%r8,%rax,8),%xmm0
  movsd  -0x8(%rdi,%rax,8),%xmm2
  add    $0x10,%rdx
  sub    $0x10,%rcx
  movsd  -0x8(%r8,%rax,8),%xmm3
  movsd  (%rdi,%rax,8),%xmm4
  movapd %xmm0,%xmm1
  mulsd  %xmm2,%xmm1
  movapd %xmm3,%xmm5
  mulsd  %xmm3,%xmm2
  mulsd  %xmm4,%xmm0
  mulsd  %xmm4,%xmm5
  subsd  %xmm2,%xmm0
  movsd  (%rdx),%xmm2
  addsd  %xmm5,%xmm1
  addsd  %xmm0,%xmm2
  movsd  %xmm2,(%rsi,%rax,8)
  subsd  (%rdx),%xmm0
  movsd  %xmm0,0x18(%rcx)
  movsd  -0x8(%rdx),%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rsi,%rax,8)
  movsd  -0x8(%rdx),%xmm0
  add    $0x2,%rax
  subsd  %xmm1,%xmm0
  movsd  %xmm0,0x10(%rcx)
  cmp    %eax,%r9d
  jg     L104
  add    $0x1,%ebp
  add    %r15,%rdi
  add    %r12,%rsi
  cmp    %ebp,%r11d
  jne    L121
  mov    -0xc(%rsp),%eax
  test   %eax,%eax
  jne    L91
L24:
  lea    (%r9,%r9,1),%ecx
  mov    -0x18(%rsp),%rdi
  movq   D3(%rip),%xmm1
  xor    %edx,%edx
  imul   %r11d,%r9d
  movslq %ecx,%rcx
  shl    $0x3,%rdi
  shl    $0x3,%rcx
  add    %rdi,%r10
  lea    -0x8(%rbx,%rdi,1),%rax
  movslq %r9d,%rsi
  nopl   0x0(%rax,%rax,1)
L31:
  movsd  (%rax,%rsi,8),%xmm0
  add    $0x1,%edx
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,(%r10)
  movsd  (%rax),%xmm0
  add    %rdi,%rax
  movsd  %xmm0,-0x8(%r10)
  add    %rcx,%r10
  cmp    %edx,%r11d
  jg     L31
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L146:
  test   %r11d,%r11d
  jle    L91
  movq   $0x2,-0x18(%rsp)
  jmp    L24
L41:
  lea    0x0(,%rax,8),%rcx
  xor    %eax,%eax
  nop
L25:
  movsd  (%rdx,%rax,1),%xmm0
  addsd  (%rbx,%rax,1),%xmm0
  movsd  %xmm0,(%r10,%rax,2)
  movsd  (%rbx,%rax,1),%xmm0
  subsd  (%rdx,%rax,1),%xmm0
  movsd  %xmm0,0x8(%r10,%rax,2)
  add    $0x8,%rax
  cmp    %rax,%rcx
  jne    L25
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: disassemble_data
arguments: label: D3
type: byte[8]

tool: {"D3": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

assistant: ```c
void radf2(int ido, int l1, const double cc[], double ch[], const double wa1[]) {
  int i, k, ic;
  double ti2, tr2;
  for (k = 0; k < l1; k++) {
    ch[2 * k * ido] = cc[k * ido] + cc[(k + l1) * ido];
    ch[(2 * k + 1) * ido + ido - 1] = cc[k * ido] - cc[(k + l1) * ido];
  }
  if (ido < 2)
    return;
  if (ido != 2) {
    for (k = 0; k < l1; k++) {
      for (i = 2; i < ido; i += 2) {
        ic = ido - i;
        tr2 = wa1[i - 2] * cc[i - 1 + (k + l1) * ido] + wa1[i - 1] * cc[i + (k + l1) * ido];
        ti2 = wa1[i - 2] * cc[i + (k + l1) * ido] - wa1[i - 1] * cc[i - 1 + (k + l1) * ido];
        ch[i + 2 * k * ido] = cc[i + k * ido] + ti2;
        ch[ic + (2 * k + 1) * ido] = ti2 - cc[i + k * ido];
        ch[i - 1 + 2 * k * ido] = cc[i - 1 + k * ido] + tr2;
        ch[ic - 1 + (2 * k + 1) * ido] = cc[i - 1 + k * ido] - tr2;
      }
    }
    if (ido % 2 == 1)
      return;
  }
  for (k = 0; k < l1; k++) {
    ch[(2 * k + 1) * ido] = -cc[ido - 1 + (k + l1) * ido];
    ch[ido - 1 + 2 * k * ido] = cc[ido - 1 + k * ido];
  }
}
```