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

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x2c(%rbp),%rdx
  lea    -0x30(%rbp),%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L6
  lea    D77(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L6:
  mov    -0x30(%rbp),%edx
  mov    -0x2c(%rbp),%eax
  imul   %edx,%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L0
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L0:
  mov    -0x2c(%rbp),%eax
  cltq
  shl    $0x3,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L22
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L22:
  lea    D36(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x24(%rbp)
  jmp    L48
L27:
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movsd  D47(%rip),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x24(%rbp)
L48:
  mov    -0x2c(%rbp),%eax
  cmp    %eax,-0x24(%rbp)
  jl     L27
  movl   $0x0,-0x28(%rbp)
  jmp    L72
L63:
  movl   $0x0,-0x24(%rbp)
  jmp    L39
L99:
  mov    -0x2c(%rbp),%eax
  imul   -0x28(%rbp),%eax
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x28(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x24(%rbp)
L39:
  mov    -0x2c(%rbp),%eax
  cmp    %eax,-0x24(%rbp)
  jl     L99
  addl   $0x1,-0x28(%rbp)
L72:
  mov    -0x30(%rbp),%eax
  cmp    %eax,-0x28(%rbp)
  jl     L63
  mov    -0x2c(%rbp),%edx
  mov    -0x30(%rbp),%eax
  mov    %eax,%esi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x2c(%rbp),%esi
  mov    -0x30(%rbp),%eax
  mov    -0x10(%rbp),%rdi
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rdx
  mov    %rdi,%r8
  mov    %eax,%edi
  call   <mxv@plt>
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D20
type_infered: string
name: disassemble_data
arguments: data_tag: D27
type_infered: string
name: disassemble_data
arguments: data_tag: D77
type_infered: string
name: disassemble_data
arguments: data_tag: D13
type_infered: string
name: disassemble_data
arguments: data_tag: D12
type_infered: string
name: disassemble_data
arguments: data_tag: D36
type_infered: string
name: disassemble_data
arguments: data_tag: D47
type_infered: f64
name: disassemble_data
arguments: data_tag: D8
type_infered: string

tool: D20: Please give m and n: 

tool: D27: %d %d

tool: D77: memory allocation for a

tool: D13: memory allocation for b

tool: D12: memory allocation for c

tool: D36: Initializing matrix B and vector c

tool: D47: 2

tool: D8: Executing mxv function for m = %d n = %d


assistant: ```c
int main(int argc, char *argv[]) {
  double *a, *b, *c;
  int i, j, m, n;
  printf("Please give m and n: ");
  scanf("%d %d", &m, &n);
  printf("\n");
  if ((a = (double *)malloc(m * sizeof(double))) == NULL)
    perror("memory allocation for a");
  if ((b = (double *)malloc(m * n * sizeof(double))) == NULL)
    perror("memory allocation for b");
  if ((c = (double *)malloc(n * sizeof(double))) == NULL)
    perror("memory allocation for c");
  printf("Initializing matrix B and vector c\n");
  for (j = 0; j < n; j++)
    c[j] = 2.0;
  for (i = 0; i < m; i++)
    for (j = 0; j < n; j++)
      b[i * n + j] = i;
  printf("Executing mxv function for m = %d n = %d\n", m, n);
  (void)mxv(m, n, a, b, c);
  free(a);
  free(b);
  free(c);
  return (0);
}
```