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

```asm
<main>:
  endbr64
  push   %r15
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  push   %r14
  mov    $0x1,%edi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xa8(%rsp)
  xor    %eax,%eax
  call   <matrix@plt>
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  mov    $0x1,%edi
  mov    %rax,0x8(%rsp)
  call   <matrix@plt>
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  mov    $0x1,%edi
  mov    %rax,%rbx
  call   <matrix@plt>
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  mov    $0x1,%edi
  mov    %rax,0x30(%rsp)
  call   <matrix@plt>
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  mov    $0x1,%edi
  mov    %rax,0x20(%rsp)
  call   <matrix@plt>
  mov    $0x14,%ecx
  mov    $0x1,%edx
  mov    $0x14,%esi
  mov    $0x1,%edi
  mov    %rax,%rbp
  call   <matrix@plt>
  lea    D23(%rip),%rsi
  lea    D92(%rip),%rdi
  mov    %rax,0x10(%rsp)
  call   <fopen@plt>
  mov    %rax,0x28(%rsp)
  test   %rax,%rax
  je     L126
L210:
  mov    0x28(%rsp),%rdi
  mov    %rbx,%r12
  mov    %rbp,%r13
  call   <feof@plt>
  test   %eax,%eax
  jne    L75
L111:
  mov    0x28(%rsp),%rbp
  lea    0x50(%rsp),%rbx
  mov    $0x50,%esi
  mov    %rbx,%rdi
  mov    %rbx,0x18(%rsp)
  mov    %rbp,%rdx
  call   <fgets@plt>
  mov    %rbp,%rdx
  mov    $0x50,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  lea    0x48(%rsp),%rcx
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    0x4c(%rsp),%rdx
  lea    D125(%rip),%rsi
  call   <fscanf@plt>
  mov    %rbp,%rdx
  mov    $0x50,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  mov    0x4c(%rsp),%ecx
  test   %ecx,%ecx
  jle    L56
  mov    0x8(%rsp),%rax
  mov    %r12,0x38(%rsp)
  mov    $0x1,%r15d
  lea    0x8(%rax),%r14
  nopw   0x0(%rax,%rax,1)
L267:
  mov    $0x4,%r12d
  mov    $0x1,%ebx
  nopl   0x0(%rax,%rax,1)
L47:
  mov    (%r14),%rdx
  lea    D16(%rip),%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  add    %r12,%rdx
  add    $0x4,%r12
  call   <fscanf@plt>
  mov    0x4c(%rsp),%eax
  cmp    %ebx,%eax
  jge    L47
  add    $0x1,%r15d
  add    $0x8,%r14
  cmp    %r15d,%eax
  jge    L267
  mov    0x38(%rsp),%r12
L56:
  mov    0x28(%rsp),%r15
  mov    0x18(%rsp),%rdi
  mov    $0x50,%esi
  mov    %r15,%rdx
  call   <fgets@plt>
  mov    0x48(%rsp),%r11d
  mov    0x4c(%rsp),%esi
  test   %r11d,%r11d
  jle    L304
  mov    %r12,0x18(%rsp)
  mov    0x20(%rsp),%rbp
  mov    $0x4,%ebx
  mov    $0x1,%r14d
  nopw   0x0(%rax,%rax,1)
L197:
  mov    $0x1,%r12d
  test   %esi,%esi
  jle    L198
  nopw   0x0(%rax,%rax,1)
L234:
  mov    0x0(%rbp,%r12,8),%rdx
  lea    D16(%rip),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  add    $0x1,%r12
  add    %rbx,%rdx
  call   <fscanf@plt>
  mov    0x4c(%rsp),%esi
  cmp    %r12d,%esi
  jge    L234
  mov    0x48(%rsp),%r11d
L198:
  add    $0x1,%r14d
  add    $0x4,%rbx
  cmp    %r14d,%r11d
  jge    L197
  mov    0x18(%rsp),%r12
L304:
  test   %esi,%esi
  jle    L94
  lea    0x1(%rsi),%r10d
  mov    0x8(%rsp),%rdi
  mov    0x20(%rsp),%r8
  mov    $0x4,%edx
  lea    0x0(,%r10,4),%rbp
  lea    0x1(%r11),%ebx
  nopl   0x0(%rax)
L100:
  mov    $0x1,%eax
  nopl   (%rax)
L57:
  mov    (%rdi,%rax,8),%rcx
  movss  (%rcx,%rdx,1),%xmm0
  mov    (%r12,%rax,8),%rcx
  add    $0x1,%rax
  movss  %xmm0,(%rcx,%rdx,1)
  cmp    %rax,%r10
  jne    L57
  test   %r11d,%r11d
  jle    L50
  mov    (%r8,%rdx,2),%r9
  mov    0x0(%r13,%rdx,2),%rcx
  mov    $0x1,%eax
  cs nopw 0x0(%rax,%rax,1)
L149:
  movss  (%r9,%rax,4),%xmm0
  movss  %xmm0,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%rbx
  jne    L149
L50:
  add    $0x4,%rdx
  cmp    %rdx,%rbp
  jne    L100
L94:
  mov    %r13,%rdx
  mov    %r11d,%ecx
  mov    %r12,%rdi
  call   <gaussj@plt>
  lea    D100(%rip),%rdi
  call   <puts@plt>
  mov    0x4c(%rsp),%edx
  test   %edx,%edx
  jle    L99
  lea    0x8(%r12),%r15
  mov    $0x1,%ebp
  lea    D77(%rip),%rbx
L255:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L194:
  mov    (%r15),%rdx
  pxor   %xmm0,%xmm0
  lea    0x1(%rax),%r14
  mov    %rbx,%rdi
  cvtss2sd 0x4(%rdx,%rax,4),%xmm0
  mov    $0x1,%eax
  call   <printf@plt>
  mov    %r14,%rax
  lea    0x1(%r14),%edx
  cmp    %edx,0x4c(%rsp)
  jge    L194
  mov    $0xa,%edi
  add    $0x1,%ebp
  add    $0x8,%r15
  call   <putchar@plt>
  cmp    %ebp,0x4c(%rsp)
  jge    L255
L99:
  lea    D188(%rip),%rdi
  lea    D77(%rip),%r15
  call   <puts@plt>
  mov    0x4c(%rsp),%esi
  mov    $0x1,%eax
  test   %esi,%esi
  jle    L2
  mov    %r13,0x18(%rsp)
  mov    0x30(%rsp),%rbp
  mov    %rax,%rbx
  nopl   0x0(%rax,%rax,1)
L217:
  mov    0x8(%rsp),%rax
  mov    0x0(%rbp,%rbx,8),%r10
  mov    $0x1,%r9d
  mov    (%rax,%rbx,8),%r8
  lea    0x4(%r10),%rcx
  nopl   0x0(%rax,%rax,1)
L108:
  movl   $0x0,(%rcx)
  lea    0x0(,%r9,4),%rdi
  mov    $0x1,%eax
  pxor   %xmm1,%xmm1
  nopw   0x0(%rax,%rax,1)
L18:
  mov    (%r12,%rax,8),%rdx
  movss  (%rdx,%rdi,1),%xmm0
  mulss  (%r8,%rax,4),%xmm0
  add    $0x1,%rax
  addss  %xmm0,%xmm1
  movss  %xmm1,(%rcx)
  cmp    %eax,%esi
  jge    L18
  add    $0x1,%r9
  add    $0x4,%rcx
  cmp    %r9d,%esi
  jge    L108
  test   %esi,%esi
  jle    L206
  mov    $0x4,%r14d
  mov    $0x1,%r13d
  jmp    L303
  xchg   %ax,%ax
L39:
  mov    0x0(%rbp,%rbx,8),%r10
L303:
  pxor   %xmm0,%xmm0
  mov    %r15,%rdi
  mov    $0x1,%eax
  add    $0x1,%r13d
  cvtss2sd (%r10,%r14,1),%xmm0
  call   <printf@plt>
  add    $0x4,%r14
  cmp    %r13d,0x4c(%rsp)
  jge    L39
L206:
  mov    $0xa,%edi
  add    $0x1,%rbx
  call   <putchar@plt>
  mov    0x4c(%rsp),%esi
  cmp    %ebx,%esi
  jge    L217
  mov    0x18(%rsp),%r13
L2:
  lea    D160(%rip),%rdi
  mov    $0x4,%ebp
  lea    D65(%rip),%r15
  call   <puts@plt>
  lea    D87(%rip),%rdx
  lea    D183(%rip),%rsi
  xor    %eax,%eax
  lea    D39(%rip),%rdi
  lea    D152(%rip),%r14
  call   <printf@plt>
  mov    0x48(%rsp),%eax
  movl   $0x1,0x18(%rsp)
  test   %eax,%eax
  jle    L38
  mov    %r12,0x38(%rsp)
  mov    0x20(%rsp),%r12
  mov    %rbp,%rbx
  cs nopw 0x0(%rax,%rax,1)
L155:
  mov    0x18(%rsp),%esi
  lea    D181(%rip),%rdi
  xor    %eax,%eax
  mov    $0x1,%ebp
  call   <printf@plt>
  mov    0x4c(%rsp),%esi
  test   %esi,%esi
  jle    L121
  mov    %rbx,%rax
  mov    %r12,%rbx
  mov    %rax,%r12
  nopl   0x0(%rax)
L216:
  mov    0x10(%rsp),%rax
  pxor   %xmm1,%xmm1
  mov    (%rax,%rbp,8),%rdi
  mov    0x8(%rsp),%rax
  add    %r12,%rdi
  mov    (%rax,%rbp,8),%r9
  mov    $0x1,%eax
  movl   $0x0,(%rdi)
  nopl   0x0(%rax)
L242:
  mov    0x0(%r13,%rax,8),%rdx
  movss  (%rdx,%r12,1),%xmm0
  mulss  (%r9,%rax,4),%xmm0
  add    $0x1,%rax
  addss  %xmm0,%xmm1
  movss  %xmm1,(%rdi)
  cmp    %eax,%esi
  jge    L242
  mov    (%rbx,%rbp,8),%rax
  pxor   %xmm0,%xmm0
  mov    %r15,%rsi
  mov    %r14,%rdi
  cvtss2sd %xmm1,%xmm1
  add    $0x1,%rbp
  cvtss2sd (%rax,%r12,1),%xmm0
  mov    $0x2,%eax
  call   <printf@plt>
  mov    0x4c(%rsp),%esi
  cmp    %ebp,%esi
  jge    L216
  mov    %r12,%rax
  mov    %rbx,%r12
  mov    %rax,%rbx
L121:
  addl   $0x1,0x18(%rsp)
  add    $0x4,%rbx
  mov    0x18(%rsp),%eax
  cmp    %eax,0x48(%rsp)
  jge    L155
  mov    0x38(%rsp),%r12
L38:
  lea    D18(%rip),%rdi
  call   <puts@plt>
  lea    D63(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  mov    0x28(%rsp),%rdi
  call   <feof@plt>
  test   %eax,%eax
  je     L111
L75:
  mov    0x28(%rsp),%rdi
  call   <fclose@plt>
  mov    0x10(%rsp),%rdi
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    %r13,%rdi
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    0x20(%rsp),%rdi
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    0x30(%rsp),%rdi
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    %r12,%rdi
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    0x8(%rsp),%rdi
  mov    $0x14,%r8d
  mov    $0x1,%ecx
  mov    $0x14,%edx
  mov    $0x1,%esi
  call   <free_matrix@plt>
  mov    0xa8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L314
  add    $0xb8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L126:
  lea    D81(%rip),%rdi
  call   <nrerror@plt>
  jmp    L210
L314:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D23
data_type: string
name: extract_symbolic_data
arguments: label: D92
data_type: string
name: extract_symbolic_data
arguments: label: D125
data_type: string
name: extract_symbolic_data
arguments: label: D16
data_type: string
name: extract_symbolic_data
arguments: label: D100
data_type: string
name: extract_symbolic_data
arguments: label: D77
data_type: string
name: extract_symbolic_data
arguments: label: D188
data_type: string
name: extract_symbolic_data
arguments: label: D160
data_type: string
name: extract_symbolic_data
arguments: label: D65
data_type: string
name: extract_symbolic_data
arguments: label: D87
data_type: string
name: extract_symbolic_data
arguments: label: D183
data_type: string
name: extract_symbolic_data
arguments: label: D39
data_type: string
name: extract_symbolic_data
arguments: label: D152
data_type: string
name: extract_symbolic_data
arguments: label: D181
data_type: string
name: extract_symbolic_data
arguments: label: D18
data_type: string
name: extract_symbolic_data
arguments: label: D63
data_type: string
name: extract_symbolic_data
arguments: label: D81
data_type: string

tool: D23: r

tool: D92: matrx1.dat

tool: D125: %d %d 

tool: D16: %f 

tool: D100: 
Inverse of matrix a : 

tool: D77: %12.6f

tool: D188: 
a times a-inverse:

tool: D160: 
Check the following for equality:

tool: D65:  

tool: D87: matrix*sol'n

tool: D183: original

tool: D39: %21s %14s


tool: D152: %8s %12.6f %12.6f


tool: D181: vector %2d: 


tool: D18: ***********************************

tool: D63: press RETURN for next problem:

tool: D81: Data file matrx1.dat not found


assistant: ```c
int main(void) {
  int j, k, l, m, n;
  float **a, **ai, **u, **b, **x, **t;
  char dummy[80];
  FILE *fp;
  a = matrix(1, 20, 1, 20);
  ai = matrix(1, 20, 1, 20);
  u = matrix(1, 20, 1, 20);
  b = matrix(1, 20, 1, 20);
  x = matrix(1, 20, 1, 20);
  t = matrix(1, 20, 1, 20);
  if ((fp = fopen("matrx1.dat", "r")) == NULL)
    nrerror("Data file matrx1.dat not found\n");
  while (!feof(fp)) {
    fgets(dummy, 80, fp);
    fgets(dummy, 80, fp);
    fscanf(fp, "%d %d ", &n, &m);
    fgets(dummy, 80, fp);
    for (k = 1; k <= n; k++)
      for (l = 1; l <= n; l++)
        fscanf(fp, "%f ", &a[k][l]);
    fgets(dummy, 80, fp);
    for (l = 1; l <= m; l++)
      for (k = 1; k <= n; k++)
        fscanf(fp, "%f ", &b[k][l]);
    for (l = 1; l <= n; l++) {
      for (k = 1; k <= n; k++)
        ai[k][l] = a[k][l];
      for (k = 1; k <= m; k++)
        x[l][k] = b[l][k];
    }
    gaussj(ai, n, x, m);
    printf("\nInverse of matrix a : \n");
    for (k = 1; k <= n; k++) {
      for (l = 1; l <= n; l++)
        printf("%12.6f", ai[k][l]);
      printf("\n");
    }
    printf("\na times a-inverse:\n");
    for (k = 1; k <= n; k++) {
      for (l = 1; l <= n; l++) {
        u[k][l] = 0.0;
        for (j = 1; j <= n; j++)
          u[k][l] += (a[k][j] * ai[j][l]);
      }
      for (l = 1; l <= n; l++)
        printf("%12.6f", u[k][l]);
      printf("\n");
    }
    printf("\nCheck the following for equality:\n");
    printf("%21s %14s\n", "original", "matrix*sol'n");
    for (l = 1; l <= m; l++) {
      printf("vector %2d: \n", l);
      for (k = 1; k <= n; k++) {
        t[k][l] = 0.0;
        for (j = 1; j <= n; j++)
          t[k][l] += (a[k][j] * x[j][l]);
        printf("%8s %12.6f %12.6f\n", " ", b[k][l], t[k][l]);
      }
    }
    printf("***********************************\n");
    printf("press RETURN for next problem:\n");
    (void)getchar();
  }
  fclose(fp);
  free_matrix(t, 1, 20, 1, 20);
  free_matrix(x, 1, 20, 1, 20);
  free_matrix(b, 1, 20, 1, 20);
  free_matrix(u, 1, 20, 1, 20);
  free_matrix(ai, 1, 20, 1, 20);
  free_matrix(a, 1, 20, 1, 20);
  return 0;
}
```