user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<kbfft>:
  endbr64
  push   %r15
  push   %r14
  mov    %r9,%r14
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  mov    %r8,%rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x48,%rsp
  mov    %edi,0x3c(%rsp)
  mov    0x80(%rsp),%r15
  mov    %esi,0x38(%rsp)
  test   %esi,%esi
  jle    L291
  test   %edx,%edx
  jle    L291
  mov    %r9,%r8
  mov    %esi,%r10d
  mov    %r15,%rdi
  xor    %r9d,%r9d
  nopw   0x0(%rax,%rax,1)
L177:
  mov    %r9d,%esi
  xor    %ecx,%ecx
  xor    %edx,%edx
  nop
L135:
  mov    %esi,%eax
  add    $0x1,%ecx
  sar    %esi
  and    $0x1,%eax
  lea    (%rax,%rdx,2),%edx
  movslq %edx,%rax
  movss  (%rbx,%rax,4),%xmm0
  movss  %xmm0,(%r8)
  movss  0x0(%rbp,%rax,4),%xmm0
  movss  %xmm0,(%rdi)
  cmp    %ecx,%r13d
  jne    L135
  add    $0x1,%r9d
  add    $0x4,%r8
  add    $0x4,%rdi
  cmp    %r9d,%r10d
  jne    L177
L291:
  pxor   %xmm3,%xmm3
  movsd  D11(%rip),%xmm1
  movl   $0x3f800000,(%rbx)
  cvtsi2sdl 0x38(%rsp),%xmm3
  movl   $0x0,0x0(%rbp)
  movaps %xmm5,0x20(%rsp)
  movaps %xmm4,0x10(%rsp)
  divsd  %xmm3,%xmm1
  movsd  %xmm3,0x30(%rsp)
  cvtsd2ss %xmm1,%xmm1
  movaps %xmm1,%xmm0
  movss  %xmm1,0xc(%rsp)
  call   <cos@plt>
  movss  0xc(%rsp),%xmm1
  movss  %xmm0,0x4(%rbx)
  movaps %xmm1,%xmm0
  call   <sin@plt>
  mov    0x3c(%rsp),%ecx
  movsd  0x30(%rsp),%xmm3
  movaps 0x10(%rsp),%xmm4
  movaps 0x20(%rsp),%xmm5
  movaps %xmm0,%xmm1
  test   %ecx,%ecx
  jne    L147
  xorps  D15(%rip),%xmm1
L147:
  mov    0x38(%rsp),%eax
  movss  %xmm1,0x4(%rbp)
  lea    -0x1(%rax),%edi
  mov    %edi,0x20(%rsp)
  cmp    $0x2,%eax
  jle    L292
  lea    -0x3(%rax),%edx
  xor    %eax,%eax
  shl    $0x2,%rdx
  jmp    L107
  nopl   0x0(%rax,%rax,1)
L154:
  movss  0x4(%rbp),%xmm1
  add    $0x4,%rax
L107:
  movss  0x4(%rbp,%rax,1),%xmm8
  movss  0x4(%rbx),%xmm2
  movss  0x4(%rbx,%rax,1),%xmm0
  movaps %xmm8,%xmm6
  mulss  %xmm1,%xmm6
  movaps %xmm0,%xmm7
  addss  %xmm2,%xmm1
  addss  %xmm8,%xmm0
  mulss  %xmm2,%xmm7
  mulss  %xmm1,%xmm0
  movaps %xmm7,%xmm9
  subss  %xmm6,%xmm9
  subss  %xmm7,%xmm0
  movss  %xmm9,0x8(%rbx,%rax,1)
  subss  %xmm6,%xmm0
  movss  %xmm0,0x8(%rbp,%rax,1)
  cmp    %rdx,%rax
  jne    L154
  lea    0x1f(%r14),%rax
  sub    %r15,%rax
  cmp    $0x3e,%rax
  jbe    L137
  cmpl   $0x9,0x38(%rsp)
  jle    L137
  mov    0x38(%rsp),%edi
  xor    %esi,%esi
  mov    %r14,%rdx
  lea    -0x2(%rdi),%eax
  shr    %eax
  cmp    $0x1,%edi
  setg   %sil
  imul   %eax,%esi
  mov    %r15,%rax
  mov    %esi,%ecx
  shr    $0x2,%ecx
  sub    $0x1,%ecx
  shl    $0x5,%rcx
  lea    0x20(%r15,%rcx,1),%rcx
L275:
  movups (%rdx),%xmm1
  movups 0x10(%rdx),%xmm7
  add    $0x20,%rax
  add    $0x20,%rdx
  movups -0x20(%rax),%xmm0
  movups -0xc(%rdx),%xmm10
  movaps %xmm1,%xmm6
  shufps $0x88,%xmm7,%xmm6
  movups -0x10(%rax),%xmm7
  movaps %xmm0,%xmm2
  shufps $0x88,%xmm7,%xmm2
  movups -0x10(%rdx),%xmm7
  shufps $0xdd,%xmm7,%xmm1
  movups -0x10(%rax),%xmm7
  addps  %xmm6,%xmm1
  shufps $0xdd,%xmm7,%xmm0
  movups -0x1c(%rdx),%xmm7
  addps  %xmm2,%xmm0
  shufps $0x88,%xmm10,%xmm7
  subps  %xmm7,%xmm6
  movaps %xmm1,%xmm7
  unpcklps %xmm6,%xmm7
  unpckhps %xmm6,%xmm1
  movups %xmm1,-0x10(%rdx)
  movups %xmm7,-0x20(%rdx)
  movups -0x1c(%rax),%xmm6
  movups -0xc(%rax),%xmm7
  shufps $0x88,%xmm7,%xmm6
  subps  %xmm6,%xmm2
  movaps %xmm2,%xmm1
  movaps %xmm0,%xmm2
  unpcklps %xmm1,%xmm2
  unpckhps %xmm1,%xmm0
  movups %xmm2,-0x20(%rax)
  movups %xmm0,-0x10(%rax)
  cmp    %rcx,%rax
  jne    L275
  mov    %esi,%eax
  mov    0x20(%rsp),%r10d
  and    $0xfffffffc,%eax
  add    %eax,%eax
  movslq %eax,%rcx
  lea    0x0(,%rcx,4),%rdx
  lea    0x4(,%rcx,4),%rcx
  lea    (%r14,%rcx,1),%rsi
  lea    (%r14,%rdx,1),%r8
  add    %r15,%rcx
  movss  (%r8),%xmm1
  movss  (%rsi),%xmm2
  lea    (%r15,%rdx,1),%rdi
  movss  (%rdi),%xmm0
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  movss  (%rcx),%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdi)
  subss  (%rsi),%xmm1
  movss  %xmm1,(%rsi)
  subss  (%rcx),%xmm0
  movss  %xmm0,(%rcx)
  lea    0x2(%rax),%ecx
  cmp    %r10d,%ecx
  jge    L174
  lea    0x3(%rax),%ecx
  lea    0x8(%rdx),%rsi
  movslq %ecx,%rcx
  lea    (%r14,%rsi,1),%r8
  add    %r15,%rsi
  shl    $0x2,%rcx
  movss  (%r8),%xmm1
  movss  (%rsi),%xmm0
  lea    (%r14,%rcx,1),%rdi
  add    %r15,%rcx
  movss  (%rdi),%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  movss  (%rcx),%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rsi)
  subss  (%rdi),%xmm1
  movss  %xmm1,(%rdi)
  subss  (%rcx),%xmm0
  movss  %xmm0,(%rcx)
  lea    0x4(%rax),%ecx
  cmp    %r10d,%ecx
  jge    L174
  lea    0x5(%rax),%ecx
  lea    0x10(%rdx),%rsi
  movslq %ecx,%rcx
  lea    (%r14,%rsi,1),%r8
  add    %r15,%rsi
  shl    $0x2,%rcx
  movss  (%r8),%xmm1
  movss  (%rsi),%xmm0
  lea    (%r14,%rcx,1),%rdi
  add    %r15,%rcx
  movss  (%rdi),%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r8)
  movss  (%rcx),%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rsi)
  subss  (%rdi),%xmm1
  movss  %xmm1,(%rdi)
  subss  (%rcx),%xmm0
  movss  %xmm0,(%rcx)
  lea    0x6(%rax),%ecx
  cmp    %ecx,%r10d
  jle    L174
  add    $0x7,%eax
  add    $0x18,%rdx
  cltq
  lea    (%r14,%rdx,1),%rcx
  add    %r15,%rdx
  shl    $0x2,%rax
  movss  (%rcx),%xmm1
  movss  (%rdx),%xmm0
  lea    (%r14,%rax,1),%rsi
  add    %r15,%rax
  movss  (%rsi),%xmm2
  addss  %xmm1,%xmm2
  movss  %xmm2,(%rcx)
  movss  (%rax),%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rdx)
  subss  (%rsi),%xmm1
  movss  %xmm1,(%rsi)
  subss  (%rax),%xmm0
  movss  %xmm0,(%rax)
L174:
  mov    0x38(%rsp),%edi
  mov    $0x2,%r12d
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  sub    $0x2,%r13d
  mov    %eax,0x30(%rsp)
  lea    0x4(%r14),%rax
  mov    %rax,0x10(%rsp)
  mov    %r13d,0xc(%rsp)
  js     L210
  nopl   0x0(%rax)
L54:
  mov    0x30(%rsp),%edi
  movslq %r12d,%rsi
  add    %r12d,%r12d
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  lea    -0x1(%rax),%r13d
  mov    %eax,0x30(%rsp)
  imul   %r12d,%r13d
  test   %r13d,%r13d
  js     L109
  mov    0x10(%rsp),%rdi
  movslq 0x30(%rsp),%r8
  movslq %r12d,%r11
  lea    -0x1(%rsi),%eax
  shl    $0x2,%r11
  xor    %r9d,%r9d
  xor    %r10d,%r10d
  lea    (%rdi,%rax,4),%rdi
  shl    $0x2,%r8
  nopw   0x0(%rax,%rax,1)
L271:
  lea    (%r14,%r9,1),%rax
  lea    (%r15,%r9,1),%rdx
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L247:
  movss  (%rbx,%rcx,1),%xmm0
  movss  0x0(%rbp,%rcx,1),%xmm2
  add    %r8,%rcx
  movss  (%rax,%rsi,4),%xmm1
  movss  (%rdx,%rsi,4),%xmm8
  movaps %xmm0,%xmm7
  movaps %xmm2,%xmm6
  addss  %xmm2,%xmm0
  mulss  %xmm1,%xmm7
  addss  %xmm8,%xmm1
  mulss  %xmm8,%xmm6
  mulss  %xmm1,%xmm0
  movss  (%rax),%xmm1
  movaps %xmm7,%xmm2
  subss  %xmm6,%xmm2
  subss  %xmm7,%xmm0
  subss  %xmm2,%xmm1
  subss  %xmm6,%xmm0
  movss  %xmm1,(%rax,%rsi,4)
  movss  (%rdx),%xmm1
  add    $0x4,%rax
  subss  %xmm0,%xmm1
  movss  %xmm1,(%rdx,%rsi,4)
  addss  -0x4(%rax),%xmm2
  add    $0x4,%rdx
  movss  %xmm2,-0x4(%rax)
  addss  -0x4(%rdx),%xmm0
  movss  %xmm0,-0x4(%rdx)
  cmp    %rax,%rdi
  jne    L247
  add    %r12d,%r10d
  add    %r11,%rdi
  add    %r11,%r9
  cmp    %r13d,%r10d
  jle    L271
L109:
  subl   $0x1,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    $0xffffffff,%eax
  jne    L54
L210:
  mov    0x3c(%rsp),%eax
  test   %eax,%eax
  je     L233
  mov    0x38(%rsp),%ebx
  test   %ebx,%ebx
  jle    L233
  lea    0xf(%r14),%rax
  sub    %r15,%rax
  cmp    $0x1e,%rax
  jbe    L196
  cmpl   $0x2,0x20(%rsp)
  jbe    L196
  shr    $0x2,%ebx
  movapd %xmm3,%xmm2
  xor    %eax,%eax
  mov    %ebx,%edx
  unpcklpd %xmm2,%xmm2
  shl    $0x4,%rdx
L268:
  movlps 0x8(%r14,%rax,1),%xmm4
  cvtps2pd (%r14,%rax,1),%xmm0
  cvtps2pd %xmm4,%xmm1
  divpd  %xmm2,%xmm0
  divpd  %xmm2,%xmm1
  cvtpd2ps %xmm0,%xmm0
  cvtpd2ps %xmm1,%xmm1
  movlhps %xmm1,%xmm0
  movups %xmm0,(%r14,%rax,1)
  cvtps2pd (%r15,%rax,1),%xmm0
  divpd  %xmm2,%xmm0
  movlps 0x8(%r15,%rax,1),%xmm5
  cvtps2pd %xmm5,%xmm1
  divpd  %xmm2,%xmm1
  cvtpd2ps %xmm0,%xmm0
  cvtpd2ps %xmm1,%xmm1
  movlhps %xmm1,%xmm0
  movups %xmm0,(%r15,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdx
  jne    L268
  mov    0x38(%rsp),%eax
  mov    %eax,%ebx
  and    $0xfffffffc,%ebx
  mov    %ebx,%edx
  mov    %eax,%ebx
  test   $0x3,%al
  je     L233
  mov    %edx,%eax
  pxor   %xmm0,%xmm0
  shl    $0x2,%rax
  lea    (%r14,%rax,1),%rcx
  cvtss2sd (%rcx),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%rcx)
  lea    (%r15,%rax,1),%rcx
  pxor   %xmm0,%xmm0
  cvtss2sd (%rcx),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%rcx)
  lea    0x1(%rdx),%ecx
  cmp    %ebx,%ecx
  jge    L233
  lea    0x4(%rax),%rcx
  pxor   %xmm0,%xmm0
  add    $0x2,%edx
  lea    (%r14,%rcx,1),%rsi
  add    %r15,%rcx
  cvtss2sd (%rsi),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%rsi)
  pxor   %xmm0,%xmm0
  cvtss2sd (%rcx),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%rcx)
  cmp    %ebx,%edx
  jge    L233
  add    $0x8,%rax
  pxor   %xmm0,%xmm0
  add    %rax,%r14
  add    %r15,%rax
  cvtss2sd (%r14),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%r14)
  pxor   %xmm0,%xmm0
  cvtss2sd (%rax),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%rax)
L233:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L292:
  mov    0x20(%rsp),%edx
  test   %edx,%edx
  jle    L174
L137:
  xor    %eax,%eax
L149:
  movss  (%r14,%rax,4),%xmm1
  movss  0x4(%r14,%rax,4),%xmm2
  movss  (%r15,%rax,4),%xmm0
  addss  %xmm1,%xmm2
  movss  %xmm2,(%r14,%rax,4)
  movss  0x4(%r15,%rax,4),%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%r15,%rax,4)
  subss  0x4(%r14,%rax,4),%xmm1
  movss  %xmm1,0x4(%r14,%rax,4)
  subss  0x4(%r15,%rax,4),%xmm0
  movss  %xmm0,0x4(%r15,%rax,4)
  add    $0x2,%rax
  cmp    %eax,0x20(%rsp)
  jg     L149
  jmp    L174
L196:
  mov    0x38(%rsp),%eax
  xor    %edx,%edx
L169:
  pxor   %xmm0,%xmm0
  cvtss2sd (%r14,%rdx,4),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%r14,%rdx,4)
  pxor   %xmm0,%xmm0
  cvtss2sd (%r15,%rdx,4),%xmm0
  divsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,(%r15,%rdx,4)
  add    $0x1,%rdx
  cmp    %rdx,%rax
  jne    L169
  jmp    L233
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D11
datatype: f64
name: extract_symbolic_data
arguments: data_tag: D15
datatype: byte[16]

tool: D11: 6.283185306

tool: {"D15": [0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

assistant: ```c
void kbfft(int l, int n, int k, float *pr, float *pi, float *fr, float *fi) {
  int it, m, is, i, j, nv, l0;
  float p, q, s, vr, vi, poddr, poddi;
  for (it = 0; it <= n - 1; it++) {
    m = it;
    is = 0;
    for (i = 0; i <= k - 1; i++) {
      j = m / 2;
      is = 2 * is + (m - 2 * j);
      m = j;
      fr[it] = pr[is];
      fi[it] = pi[is];
    }
  }
  pr[0] = 1.0;
  pi[0] = 0.0;
  p = 6.283185306 / (1.0 * n);
  pr[1] = cos(p);
  pi[1] = -sin(p);
  if (l != 0)
    pi[1] = -pi[1];
  for (i = 2; i <= n - 1; i++) {
    p = pr[i - 1] * pr[1];
    q = pi[i - 1] * pi[1];
    s = (pr[i - 1] + pi[i - 1]) * (pr[1] + pi[1]);
    pr[i] = p - q;
    pi[i] = s - p - q;
  }
  for (it = 0; it <= n - 2; it = it + 2) {
    vr = fr[it];
    vi = fi[it];
    fr[it] = vr + fr[it + 1];
    fi[it] = vi + fi[it + 1];
    fr[it + 1] = vr - fr[it + 1];
    fi[it + 1] = vi - fi[it + 1];
  }
  m = n / 2;
  nv = 2;
  for (l0 = k - 2; l0 >= 0; l0--) {
    m = m / 2;
    nv = 2 * nv;
    for (it = 0; it <= (m - 1) * nv; it = it + nv)
      for (j = 0; j <= (nv / 2) - 1; j++) {
        p = pr[m * j] * fr[it + j + nv / 2];
        q = pi[m * j] * fi[it + j + nv / 2];
        s = pr[m * j] + pi[m * j];
        s = s * (fr[it + j + nv / 2] + fi[it + j + nv / 2]);
        poddr = p - q;
        poddi = s - p - q;
        fr[it + j + nv / 2] = fr[it + j] - poddr;
        fi[it + j + nv / 2] = fi[it + j] - poddi;
        fr[it + j] = fr[it + j] + poddr;
        fi[it + j] = fi[it + j] + poddi;
      }
  }
  if (l != 0)
    for (i = 0; i <= n - 1; i++) {
      fr[i] = fr[i] / (1.0 * n);
      fi[i] = fi[i] / (1.0 * n);
    }
  return;
}
```