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

```asm
<rick_four1_nr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  lea    (%rsi,%rsi,1),%r12d
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  test   %r12d,%r12d
  jle    L58
  cmp    $0x1,%esi
  mov    %edx,%ebx
  mov    %esi,%r15d
  mov    $0x3,%ecx
  setg   %r8b
  mov    $0x1,%edx
  nopl   (%rax)
L121:
  mov    %r15d,%eax
  cmp    %r15d,%edx
  jle    L109
  test   %r8b,%r8b
  jne    L33
  jmp    L109
  nopw   0x0(%rax,%rax,1)
L100:
  cmp    %eax,%edx
  jle    L109
L33:
  sub    %eax,%edx
  sar    %eax
  cmp    $0x1,%eax
  jg     L100
L109:
  add    %eax,%edx
  cmp    %ecx,%r12d
  jl     L88
  cmp    %ecx,%edx
  jle    L11
  movslq %edx,%rax
  movsd  (%rdi,%rcx,8),%xmm2
  shl    $0x3,%rax
  lea    (%rdi,%rax,1),%rsi
  lea    0x8(%rdi,%rax,1),%rax
  movsd  (%rsi),%xmm1
  movsd  (%rax),%xmm0
  movsd  %xmm2,(%rsi)
  movsd  0x8(%rdi,%rcx,8),%xmm2
  movsd  %xmm2,(%rax)
  movsd  %xmm1,(%rdi,%rcx,8)
  movsd  %xmm0,0x8(%rdi,%rcx,8)
L11:
  add    $0x2,%rcx
  jmp    L121
  nopl   0x0(%rax)
L122:
  cmp    %r14d,%r15d
  jg     L84
L58:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L88:
  cmp    $0x2,%r12d
  jle    L58
  mov    $0x2,%r13d
  lea    0x8(%rdi),%rbp
  nopl   0x0(%rax)
L84:
  mov    %r13d,%r14d
  mov    %ebx,%eax
  pxor   %xmm0,%xmm0
  movsd  D11(%rip),%xmm1
  imul   %r14d,%eax
  add    %r13d,%r13d
  cvtsi2sd %eax,%xmm0
  divsd  %xmm0,%xmm1
  movsd  D14(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm1,0x8(%rsp)
  call   <sin@plt>
  movsd  D18(%rip),%xmm5
  movsd  0x8(%rsp),%xmm1
  mulsd  %xmm0,%xmm5
  mulsd  %xmm0,%xmm5
  movapd %xmm1,%xmm0
  movsd  %xmm5,(%rsp)
  call   <sin@plt>
  movslq %r13d,%rsi
  movslq %r14d,%rax
  movsd  (%rsp),%xmm5
  movapd %xmm0,%xmm6
  mov    %rbp,%r8
  shl    $0x3,%rsi
  mov    $0x1,%edi
  mov    D38(%rip),%rcx
  pxor   %xmm4,%xmm4
  lea    0x8(,%rax,8),%r9
  movq   %rcx,%xmm3
  xchg   %ax,%ax
L32:
  lea    (%r9,%r8,1),%rdx
  mov    %r8,%rax
  mov    %edi,%ecx
  cmp    %edi,%r12d
  jl     L7
  xchg   %ax,%ax
L47:
  movsd  -0x8(%rdx),%xmm2
  movsd  (%rdx),%xmm0
  add    %r13d,%ecx
  movapd %xmm2,%xmm1
  movapd %xmm0,%xmm7
  mulsd  %xmm3,%xmm1
  mulsd  %xmm4,%xmm7
  mulsd  %xmm4,%xmm2
  mulsd  %xmm3,%xmm0
  subsd  %xmm7,%xmm1
  addsd  %xmm2,%xmm0
  movsd  (%rax),%xmm2
  subsd  %xmm1,%xmm2
  movsd  %xmm2,-0x8(%rdx)
  movsd  0x8(%rax),%xmm2
  subsd  %xmm0,%xmm2
  movsd  %xmm2,(%rdx)
  addsd  (%rax),%xmm1
  addsd  0x8(%rax),%xmm0
  add    %rsi,%rdx
  movsd  %xmm1,(%rax)
  movsd  %xmm0,0x8(%rax)
  add    %rsi,%rax
  cmp    %ecx,%r12d
  jge    L47
L7:
  movapd %xmm5,%xmm0
  movapd %xmm6,%xmm1
  add    $0x2,%edi
  add    $0x10,%r8
  mulsd  %xmm4,%xmm1
  mulsd  %xmm3,%xmm0
  subsd  %xmm1,%xmm0
  movapd %xmm5,%xmm1
  mulsd  %xmm4,%xmm1
  addsd  %xmm3,%xmm0
  mulsd  %xmm6,%xmm3
  addsd  %xmm1,%xmm3
  addsd  %xmm3,%xmm4
  cmp    %r14d,%edi
  jg     L122
  movapd %xmm0,%xmm3
  jmp    L32
```

tool_calls: name: read_data
arguments: data_tag: D11
data_type: f64
name: read_data
arguments: data_tag: D14
data_type: f64
name: read_data
arguments: data_tag: D18
data_type: f32[2]
name: read_data
arguments: data_tag: D38
data_type: f64

tool: D11: 6.28318530717959

tool: D14: 0.5

tool: {"D18": [0.0,-2.0]}

tool: D38: 1

assistant: ```c
void rick_four1_nr(rdata, nn, isign) double *rdata;
int nn;
int isign;
{
  double tempr, tempi;
  double wr, wi, wpr, wpi, wtemp, theta, temp2;
  int n, m, i, j, mmax, istep;
  n = 2 * nn;
  j = 1;
  for (i = 1; i <= n; i += 2) {
    if (j > i) {
      tempr = rdata[j];
      tempi = rdata[j + 1];
      rdata[j] = rdata[i];
      rdata[j + 1] = rdata[i + 1];
      rdata[i] = tempr;
      rdata[i + 1] = tempi;
    }
    m = n / 2;
    while ((m >= 2) && (j > m)) {
      j = j - m;
      m /= 2;
    }
    j += m;
  }
  mmax = 2;
  while (n > mmax) {
    istep = 2 * mmax;
    theta = 6.28318530717959 / (isign * mmax);
    temp2 = sin(0.5 * theta);
    wpr = -2.0 * temp2 * temp2;
    wpi = sin(theta);
    wr = 1.0;
    wi = 0.0;
    for (m = 1; m <= mmax; m += 2) {
      for (i = m; i <= n; i += istep) {
        j = i + mmax;
        tempr = wr * rdata[j] - wi * rdata[j + 1];
        tempi = wr * rdata[j + 1] + wi * rdata[j];
        rdata[j] = rdata[i] - tempr;
        rdata[j + 1] = rdata[i + 1] - tempi;
        rdata[i] = rdata[i] + tempr;
        rdata[i + 1] = rdata[i + 1] + tempi;
      }
      wtemp = wr;
      wr = wr * wpr - wi * wpi + wr;
      wi = wi * wpr + wtemp * wpi + wi;
    }
    mmax = istep;
  }
}
```