user: Demonstrate the C code that generates the assembly output below:

```asm
<fwt53>:
  endbr64
  push   %r15
  mov    %rsi,%r15
  push   %r14
  mov    %edx,%r14d
  imul   %ecx,%r14d
  push   %r13
  mov    %ecx,%r13d
  push   %r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  shl    $0x3,%r14d
  mov    %rdi,%rbx
  mov    %r14d,%edi
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %r14d,%edx
  mov    %r15,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <memcpy@plt>
  test   %r13d,%r13d
  jle    L70
  lea    -0x3(%rbp),%r9d
  movslq %ebp,%rcx
  mov    %r12,%rdi
  mov    %r12,%rdx
  shr    %r9d
  movsd  D38(%rip),%xmm3
  movsd  D11(%rip),%xmm2
  lea    0x0(,%rcx,8),%r11
  add    %r9,%r9
  xor    %r8d,%r8d
  lea    0x10(%r12),%r14
  xor    %r10d,%r10d
  movsd  D46(%rip),%xmm1
  nopl   0x0(%rax,%rax,1)
L32:
  cmp    $0x2,%ebp
  jle    L103
  lea    (%r8,%r9,1),%rax
  lea    (%r14,%rax,8),%rsi
  mov    %rdx,%rax
L1:
  movsd  (%rax),%xmm0
  addsd  0x10(%rax),%xmm0
  add    $0x10,%rax
  mulsd  %xmm2,%xmm0
  addsd  -0x8(%rax),%xmm0
  movsd  %xmm0,-0x8(%rax)
  cmp    %rax,%rsi
  jne    L1
L103:
  movsd  -0x8(%rdx,%rcx,8),%xmm0
  subsd  -0x10(%rdx,%rcx,8),%xmm0
  movsd  %xmm0,-0x8(%rdx,%rcx,8)
  cmp    $0x2,%ebp
  jle    L84
  lea    (%r8,%r9,1),%rax
  lea    (%r14,%rax,8),%rsi
  mov    %rdx,%rax
  nopw   0x0(%rax,%rax,1)
L102:
  movsd  0x8(%rax),%xmm0
  addsd  0x18(%rax),%xmm0
  add    $0x10,%rax
  mulsd  %xmm1,%xmm0
  addsd  (%rax),%xmm0
  movsd  %xmm0,(%rax)
  cmp    %rax,%rsi
  jne    L102
L84:
  movsd  0x8(%rdx),%xmm0
  lea    0x1(%r10),%esi
  add    %rcx,%r8
  mulsd  %xmm3,%xmm0
  addsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  add    %r11,%rdx
  cmp    %esi,%r13d
  je     L19
  mov    %esi,%r10d
  jmp    L32
  nop
L70:
  add    $0x8,%rsp
  mov    %r12,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <free@plt>
  cs nopw 0x0(%rax,%rax,1)
L19:
  mov    %ebp,%r9d
  movsd  D48(%rip),%xmm2
  xor    %ecx,%ecx
  lea    -0x1(%rbp),%r8d
  movsd  D33(%rip),%xmm1
  sar    %r9d
  nopl   0x0(%rax)
L56:
  xor    %edx,%edx
  test   %ebp,%ebp
  jg     L6
  jmp    L79
  nopl   0x0(%rax,%rax,1)
L74:
  mulsd  %xmm1,%xmm0
  imul   %esi,%eax
  add    %ecx,%eax
  cltq
  movsd  %xmm0,(%rbx,%rax,8)
  lea    0x1(%rdx),%rax
  cmp    %r8,%rdx
  je     L79
L124:
  mov    %rax,%rdx
L6:
  mov    %edx,%eax
  movsd  (%rdi,%rdx,8),%xmm0
  sar    %eax
  test   $0x1,%dl
  je     L74
  mulsd  %xmm2,%xmm0
  add    %r9d,%eax
  imul   %esi,%eax
  add    %ecx,%eax
  cltq
  movsd  %xmm0,(%rbx,%rax,8)
  lea    0x1(%rdx),%rax
  cmp    %r8,%rdx
  jne    L124
L79:
  lea    0x1(%rcx),%eax
  add    %r11,%rdi
  cmp    %ecx,%r10d
  je     L70
  mov    %eax,%ecx
  jmp    L56
```

tool_calls: name: disassemble_data
arguments: data_tag: D38
type: f64
name: disassemble_data
arguments: data_tag: D11
type: byte[8]
name: disassemble_data
arguments: data_tag: D46
type: f64
name: disassemble_data
arguments: data_tag: D48
type: byte[8]
name: disassemble_data
arguments: data_tag: D33
type: byte[8]

tool: D38: 0.5

tool: {"D11": [0x00,0x00,0x00,0x00,0x00,0x00,0xe0,0xbf]}

tool: D46: 0.25

tool: {"D48": [0xcd,0x3b,0x7f,0x66,0x9e,0xa0,0xe6,0x3f]}

tool: {"D33": [0xcd,0x3b,0x7f,0x66,0x9e,0xa0,0xf6,0x3f]}

assistant: ```c
void fwt53(double *wav, const double *x, const int nx, const int ny) {
  const double a0 = -0.5;
  const double a1 = 0.25;
  const double s0 = sqrt(2.0);
  const double s1 = sqrt(2.0) * 0.5;
  register int i, j, off;
  double *tempx = malloc(nx * ny * sizeof(double));
  memcpy(tempx, x, nx * ny * sizeof(double));
  for (j = 0; j < ny; ++j) {
    off = nx * j;
    for (i = 1; i < nx - 1; i += 2) {
      tempx[off + i] += a0 * (tempx[off + i - 1] + tempx[off + i + 1]);
    }
    tempx[off + nx - 1] += 2 * a0 * tempx[off + nx - 2];
    for (i = 2; i < nx; i += 2) {
      tempx[off + i] += a1 * (tempx[off + i - 1] + tempx[off + i + 1]);
    }
    tempx[off] += 2 * a1 * tempx[off + 1];
  }
  for (j = 0; j < ny; ++j) {
    off = nx * j;
    for (i = 0; i < nx; ++i) {
      if (i % 2 == 0)
        wav[(i / 2) * ny + j] = s0 * tempx[off + i];
      else
        wav[(nx / 2 + i / 2) * ny + j] = s1 * tempx[off + i];
    }
  }
  free(tempx);
}
```