user: Translate the below assembly code into C programming language:

```asm
<eliminate_mod>:
  endbr64
  push   %r15
  lea    -0x1(%rdx),%eax
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rsi,0x20(%rsp)
  mov    %r8,0x38(%rsp)
  mov    %eax,0x2c(%rsp)
  movsd  %xmm0,0x30(%rsp)
  test   %eax,%eax
  jle    L0
  mov    %eax,0x14(%rsp)
  mov    %edx,%ebx
  mov    %rcx,%rbp
  mov    $0x10,%r14d
  mov    %edx,0x10(%rsp)
  mov    $0x8,%r13d
  movq   $0x1,0x18(%rsp)
  cs nopw 0x0(%rax,%rax,1)
L46:
  mov    0x20(%rsp),%rdx
  mov    %ebx,%r8d
  mov    %ebx,%ecx
  sub    0x10(%rsp),%r8d
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <pivot@plt>
  cmp    0x18(%rsp),%ebx
  jle    L30
  mov    -0x10(%r15,%r14,1),%r11
  mov    0x14(%rsp),%esi
  lea    -0x10(%r14),%r12
  lea    (%r11,%r12,1),%rax
  lea    (%r11,%r13,1),%r9
  mov    %rax,(%rsp)
  mov    %esi,%eax
  and    $0xfffffffe,%esi
  mov    %esi,%r8d
  mov    %esi,0x28(%rsp)
  mov    0x18(%rsp),%rsi
  shr    %eax
  lea    -0x1(%rax),%edi
  lea    (%r11,%r14,1),%rax
  add    %esi,%r8d
  mov    %rax,0x8(%rsp)
  add    $0x1,%rdi
  movslq %r8d,%r8
  shl    $0x4,%rdi
  shl    $0x3,%r8
  lea    (%r11,%r8,1),%r10
  nopw   0x0(%rax,%rax,1)
L98:
  mov    (%r15,%rsi,8),%rdx
  mov    (%rsp),%rax
  movsd  (%rdx,%r12,1),%xmm2
  lea    (%rdx,%r13,1),%rcx
  divsd  (%rax),%xmm2
  cmp    0x8(%rsp),%rcx
  je     L13
  cmpl   $0x2,0x10(%rsp)
  je     L13
  movapd %xmm2,%xmm3
  xor    %eax,%eax
  unpcklpd %xmm3,%xmm3
  xchg   %ax,%ax
L82:
  movupd (%r9,%rax,1),%xmm1
  movupd (%rcx,%rax,1),%xmm0
  mulpd  %xmm3,%xmm1
  subpd  %xmm1,%xmm0
  movups %xmm0,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rdi,%rax
  jne    L82
  mov    0x14(%rsp),%ecx
  cmp    %ecx,0x28(%rsp)
  je     L58
  movsd  (%r10),%xmm1
  add    %r8,%rdx
  movsd  (%rdx),%xmm0
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rdx)
L58:
  mulsd  -0x10(%rbp,%r14,1),%xmm2
  movsd  0x0(%rbp,%rsi,8),%xmm0
  subsd  %xmm2,%xmm0
  movsd  %xmm0,0x0(%rbp,%rsi,8)
  add    $0x1,%rsi
  cmp    %esi,%ebx
  jg     L98
L30:
  addq   $0x1,0x18(%rsp)
  add    $0x8,%r13
  add    $0x8,%r14
  subl   $0x1,0x10(%rsp)
  subl   $0x1,0x14(%rsp)
  jne    L46
  movslq 0x2c(%rsp),%rax
  shl    $0x3,%rax
  add    %rax,0x20(%rsp)
  add    %rax,%r15
L71:
  mov    (%r15),%rdx
  movsd  0x30(%rsp),%xmm4
  movsd  (%rdx,%rax,1),%xmm0
  mov    0x20(%rsp),%rax
  divsd  (%rax),%xmm0
  andpd  D1(%rip),%xmm0
  comisd %xmm0,%xmm4
  jbe    L63
  mov    0x38(%rsp),%rax
  movl   $0xffffffff,(%rax)
L63:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L13:
  mov    0x18(%rsp),%rax
  nopl   (%rax)
L51:
  movsd  (%r11,%rax,8),%xmm1
  movsd  (%rdx,%rax,8),%xmm0
  mulsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L51
  jmp    L58
L0:
  xor    %eax,%eax
  jmp    L71
```

tool_calls: name: read_data
arguments: label: D1
datatype: qword[2]

tool: {"D1": [0x7fffffffffffffff,0x0000000000000000]}

assistant: ```c
void eliminate_mod(double **a, double *s, int n, double *b, double tol, int *er) {
  int k, i, j;
  double factor;
  for (k = 0; k < n - 1; k++) {
    pivot(a, b, s, n, k);
    for (i = k + 1; i < n; i++) {
      factor = a[i][k] / a[k][k];
      for (j = k + 1; j < n; j++) {
        a[i][j] = a[i][j] - factor * a[k][j];
      }
      b[i] = b[i] - factor * b[k];
    }
  }
  if (fabs(a[k][k] / s[k]) < tol)
    *er = -1;
}
```