user: What would the C source look like for the assembly code provided here?

```asm
<cosft2>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x30,%rsp
  mov    %rdi,%rbx
  mov    %esi,%ebp
  mov    %edx,%r12d
  pxor   %xmm0,%xmm0
  cvtsi2sd %esi,%xmm0
  movsd  D25(%rip),%xmm1
  divsd  %xmm0,%xmm1
  lea    0x28(%rsp),%rdi
  lea    0x20(%rsp),%rsi
  movsd  %xmm1,0x8(%rsp)
  movapd %xmm1,%xmm0
  call   <sincos@plt>
  movsd  0x28(%rsp),%xmm0
  movsd  0x20(%rsp),%xmm4
  movsd  %xmm4,0x10(%rsp)
  movsd  %xmm0,0x18(%rsp)
  movapd %xmm0,%xmm4
  mulsd  D9(%rip),%xmm4
  mulsd  %xmm0,%xmm4
  movsd  %xmm4,(%rsp)
  movsd  0x8(%rsp),%xmm0
  addsd  %xmm0,%xmm0
  call   <sin@plt>
  movsd  %xmm0,0x8(%rsp)
  cmp    $0x1,%r12d
  je     L166
  cmp    $0xffffffff,%r12d
  je     L108
L41:
  add    $0x30,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L166:
  mov    %ebp,%ecx
  shr    $0x1f,%ecx
  add    %ebp,%ecx
  sar    %ecx
  cmp    $0x1,%ebp
  jle    L79
  movslq %ebp,%rax
  lea    (%rbx,%rax,4),%rdx
  mov    $0x1,%eax
  movss  D24(%rip),%xmm3
L174:
  movss  (%rbx,%rax,4),%xmm0
  movss  (%rdx),%xmm2
  movaps %xmm0,%xmm1
  addss  %xmm2,%xmm1
  mulss  %xmm3,%xmm1
  subss  %xmm2,%xmm0
  cvtss2sd %xmm0,%xmm0
  movsd  0x18(%rsp),%xmm6
  mulsd  %xmm6,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movaps %xmm1,%xmm2
  addss  %xmm0,%xmm2
  movss  %xmm2,(%rbx,%rax,4)
  subss  %xmm0,%xmm1
  movss  %xmm1,(%rdx)
  movsd  (%rsp),%xmm7
  movapd %xmm7,%xmm0
  movsd  0x10(%rsp),%xmm4
  mulsd  %xmm4,%xmm0
  movsd  0x8(%rsp),%xmm5
  movapd %xmm5,%xmm1
  mulsd  %xmm6,%xmm1
  subsd  %xmm1,%xmm0
  movapd %xmm4,%xmm1
  addsd  %xmm4,%xmm0
  movsd  %xmm0,0x10(%rsp)
  mulsd  %xmm6,%xmm7
  movapd %xmm7,%xmm0
  mulsd  %xmm5,%xmm1
  addsd  %xmm1,%xmm0
  addsd  %xmm6,%xmm0
  movsd  %xmm0,0x18(%rsp)
  add    $0x1,%rax
  sub    $0x4,%rdx
  cmp    %eax,%ecx
  jge    L174
  movslq %ebp,%r12
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <realft@plt>
  cmp    $0x2,%ebp
  jle    L75
L172:
  lea    0xc(%rbx),%rax
  sub    $0x3,%ebp
  shr    %ebp
  mov    %ebp,%ebp
  lea    0x14(%rbx,%rbp,8),%rdx
  movsd  D42(%rip),%xmm2
  pxor   %xmm1,%xmm1
L135:
  movsd  (%rsp),%xmm5
  movapd %xmm5,%xmm0
  mulsd  %xmm2,%xmm0
  movsd  0x8(%rsp),%xmm7
  movapd %xmm7,%xmm3
  mulsd  %xmm1,%xmm3
  subsd  %xmm3,%xmm0
  movapd %xmm2,%xmm3
  addsd  %xmm0,%xmm2
  mulsd  %xmm1,%xmm5
  movapd %xmm5,%xmm0
  mulsd  %xmm7,%xmm3
  addsd  %xmm3,%xmm0
  addsd  %xmm0,%xmm1
  pxor   %xmm4,%xmm4
  cvtss2sd (%rax),%xmm4
  pxor   %xmm0,%xmm0
  cvtss2sd 0x4(%rax),%xmm0
  movapd %xmm4,%xmm3
  mulsd  %xmm2,%xmm3
  movapd %xmm0,%xmm5
  mulsd  %xmm1,%xmm5
  subsd  %xmm5,%xmm3
  cvtsd2ss %xmm3,%xmm3
  movss  %xmm3,(%rax)
  mulsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm4
  addsd  %xmm4,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,0x4(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L135
  movss  D24(%rip),%xmm0
  mulss  0x8(%rbx),%xmm0
L61:
  movaps %xmm0,%xmm1
  addss  (%rbx,%r12,4),%xmm0
  movss  %xmm1,(%rbx,%r12,4)
  sub    $0x2,%r12
  cmp    $0x1,%r12d
  jg     L61
  jmp    L41
L79:
  movslq %ebp,%r12
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <realft@plt>
  cmp    $0x2,%ebp
  jg     L172
  jne    L41
L75:
  movss  D24(%rip),%xmm0
  mulss  0x8(%rbx),%xmm0
  jmp    L61
L108:
  movslq %ebp,%rsi
  lea    0x0(,%rsi,4),%rdx
  lea    (%rbx,%rdx,1),%r12
  movss  (%r12),%xmm1
  cmp    $0x3,%ebp
  jle    L48
  mov    %r12,%rax
  lea    -0x8(%rbx,%rdx,1),%rdx
  lea    -0x4(%rbp),%ecx
  shr    %ecx
  mov    %ecx,%ecx
  shl    $0x3,%rcx
  sub    %rcx,%rdx
L7:
  movss  -0x8(%rax),%xmm0
  subss  (%rax),%xmm0
  movss  %xmm0,(%rax)
  sub    $0x8,%rax
  cmp    %rdx,%rax
  jne    L7
  addss  %xmm1,%xmm1
  movss  %xmm1,0x8(%rbx)
L123:
  mov    $0x3,%eax
  movsd  D42(%rip),%xmm2
  pxor   %xmm1,%xmm1
L188:
  movsd  (%rsp),%xmm7
  movapd %xmm7,%xmm0
  mulsd  %xmm2,%xmm0
  movsd  0x8(%rsp),%xmm6
  movapd %xmm6,%xmm3
  mulsd  %xmm1,%xmm3
  subsd  %xmm3,%xmm0
  movapd %xmm2,%xmm3
  addsd  %xmm0,%xmm2
  mulsd  %xmm1,%xmm7
  movapd %xmm7,%xmm0
  mulsd  %xmm6,%xmm3
  addsd  %xmm3,%xmm0
  addsd  %xmm0,%xmm1
  pxor   %xmm4,%xmm4
  cvtss2sd (%rbx,%rax,4),%xmm4
  pxor   %xmm0,%xmm0
  cvtss2sd 0x4(%rbx,%rax,4),%xmm0
  movapd %xmm4,%xmm3
  mulsd  %xmm2,%xmm3
  movapd %xmm0,%xmm5
  mulsd  %xmm1,%xmm5
  addsd  %xmm5,%xmm3
  cvtsd2ss %xmm3,%xmm3
  movss  %xmm3,(%rbx,%rax,4)
  mulsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm4
  subsd  %xmm4,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,0x4(%rbx,%rax,4)
  add    $0x2,%rax
  cmp    %eax,%ebp
  jge    L188
  mov    $0xffffffff,%edx
  mov    %rbx,%rdi
  call   <realft@plt>
  mov    %ebp,%edx
  shr    $0x1f,%edx
  add    %ebp,%edx
  sar    %edx
L78:
  mov    $0x1,%eax
  movsd  D0(%rip),%xmm4
  movss  D24(%rip),%xmm3
L149:
  movss  (%rbx,%rax,4),%xmm2
  movss  (%r12),%xmm5
  movaps %xmm2,%xmm0
  addss  %xmm5,%xmm0
  movapd %xmm4,%xmm1
  movsd  0x18(%rsp),%xmm7
  divsd  %xmm7,%xmm1
  subss  %xmm5,%xmm2
  cvtss2sd %xmm2,%xmm2
  mulsd  %xmm2,%xmm1
  cvtsd2ss %xmm1,%xmm1
  movaps %xmm0,%xmm2
  addss  %xmm1,%xmm2
  mulss  %xmm3,%xmm2
  movss  %xmm2,(%rbx,%rax,4)
  subss  %xmm1,%xmm0
  mulss  %xmm3,%xmm0
  movss  %xmm0,(%r12)
  movsd  (%rsp),%xmm5
  movapd %xmm5,%xmm0
  movsd  0x10(%rsp),%xmm6
  mulsd  %xmm6,%xmm0
  movsd  0x8(%rsp),%xmm2
  movapd %xmm2,%xmm1
  mulsd  %xmm7,%xmm1
  subsd  %xmm1,%xmm0
  movapd %xmm6,%xmm1
  addsd  %xmm6,%xmm0
  movsd  %xmm0,0x10(%rsp)
  mulsd  %xmm7,%xmm5
  movapd %xmm5,%xmm0
  mulsd  %xmm2,%xmm1
  addsd  %xmm1,%xmm0
  addsd  %xmm7,%xmm0
  movsd  %xmm0,0x18(%rsp)
  add    $0x1,%rax
  sub    $0x4,%r12
  cmp    %eax,%edx
  jge    L149
  jmp    L41
L48:
  addss  %xmm1,%xmm1
  movss  %xmm1,0x8(%rbx)
  je     L123
  mov    $0xffffffff,%edx
  mov    %rbx,%rdi
  call   <realft@plt>
  cmp    $0x1,%ebp
  jle    L41
  mov    $0x1,%edx
  jmp    L78
```

tool_calls: name: extract_symbolic_data
arguments: tag: D25
datatype: byte[8]
name: extract_symbolic_data
arguments: tag: D9
datatype: f32[2]
name: extract_symbolic_data
arguments: tag: D24
datatype: f32
name: extract_symbolic_data
arguments: tag: D42
datatype: f64
name: extract_symbolic_data
arguments: tag: D0
datatype: f32[2]

tool: {"D25": [0x18,0x2d,0x44,0x54,0xfb,0x21,0xf9,0x3f]}

tool: {"D9": [0.0,-2.0]}

tool: D24: 0.5

tool: D42: 1

tool: {"D0": [0.0,1.75]}

assistant: ```c
void cosft2(float y[], int n, int isign) {
  void realft(float data[], unsigned long n, int isign);
  int i;
  float sum, sum1, y1, y2, ytemp;
  double theta, wi = 0.0, wi1, wpi, wpr, wr = 1.0, wr1, wtemp;
  theta = 0.5 * 3.141592653589793 / n;
  wr1 = cos(theta);
  wi1 = sin(theta);
  wpr = -2.0 * wi1 * wi1;
  wpi = sin(2.0 * theta);
  if (isign == 1) {
    for (i = 1; i <= n / 2; i++) {
      y1 = 0.5 * (y[i] + y[n - i + 1]);
      y2 = wi1 * (y[i] - y[n - i + 1]);
      y[i] = y1 + y2;
      y[n - i + 1] = y1 - y2;
      wr1 = (wtemp = wr1) * wpr - wi1 * wpi + wr1;
      wi1 = wi1 * wpr + wtemp * wpi + wi1;
    }
    realft(y, n, 1);
    for (i = 3; i <= n; i += 2) {
      wr = (wtemp = wr) * wpr - wi * wpi + wr;
      wi = wi * wpr + wtemp * wpi + wi;
      y1 = y[i] * wr - y[i + 1] * wi;
      y2 = y[i + 1] * wr + y[i] * wi;
      y[i] = y1;
      y[i + 1] = y2;
    }
    sum = 0.5 * y[2];
    for (i = n; i >= 2; i -= 2) {
      sum1 = sum;
      sum += y[i];
      y[i] = sum1;
    }
  } else if (isign == -1) {
    ytemp = y[n];
    for (i = n; i >= 4; i -= 2)
      y[i] = y[i - 2] - y[i];
    y[2] = 2.0 * ytemp;
    for (i = 3; i <= n; i += 2) {
      wr = (wtemp = wr) * wpr - wi * wpi + wr;
      wi = wi * wpr + wtemp * wpi + wi;
      y1 = y[i] * wr + y[i + 1] * wi;
      y2 = y[i + 1] * wr - y[i] * wi;
      y[i] = y1;
      y[i + 1] = y2;
    }
    realft(y, n, -1);
    for (i = 1; i <= n / 2; i++) {
      y1 = y[i] + y[n - i + 1];
      y2 = (0.5 / wi1) * (y[i] - y[n - i + 1]);
      y[i] = 0.5 * (y1 + y2);
      y[n - i + 1] = 0.5 * (y1 - y2);
      wr1 = (wtemp = wr1) * wpr - wi1 * wpi + wr1;
      wi1 = wi1 * wpr + wtemp * wpi + wi1;
    }
  }
}
```