user: Please show me the C implementation that matches the assembly code listed below:

```asm
<pdef>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  movsd  %xmm0,-0x50(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0xa0,%rax
  movsd  0x8(%rax),%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  jb     L92
  mov    $0x0,%eax
  jmp    L97
L92:
  mov    -0x38(%rbp),%rax
  add    $0xa0,%rax
  mov    0x8(%rax),%rax
  mov    -0x40(%rbp),%rdx
  lea    0xa0(%rdx),%rbx
  movq   %rax,%xmm0
  call   <sqrt@plt>
  movq   %xmm0,%rax
  mov    %rax,0x8(%rbx)
  movl   $0x2,-0x1c(%rbp)
  jmp    L52
L6:
  movl   $0x1,-0x24(%rbp)
  jmp    L67
L45:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movl   $0x1,-0x20(%rbp)
  jmp    L121
L107:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm1
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x18(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  addl   $0x1,-0x20(%rbp)
L121:
  mov    -0x20(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L107
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x24(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  subsd  -0x18(%rbp),%xmm0
  movq   D8(%rip),%xmm1
  andpd  %xmm1,%xmm0
  comisd -0x50(%rbp),%xmm0
  jbe    L68
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x24(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  subsd  -0x18(%rbp),%xmm0
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x24(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm1
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  divsd  %xmm1,%xmm0
  mov    -0x24(%rbp),%eax
  cltq
  movsd  %xmm0,(%rdx,%rax,8)
  jmp    L28
L68:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x24(%rbp),%eax
  cltq
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
L28:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  addl   $0x1,-0x24(%rbp)
L67:
  mov    -0x24(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L45
  movl   $0x1,-0x20(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  jmp    L35
L135:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm1
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x18(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  addl   $0x1,-0x20(%rbp)
L35:
  mov    -0x20(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L135
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  movapd %xmm0,%xmm1
  subsd  -0x18(%rbp),%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  jb     L23
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  mov    $0x0,%eax
  jmp    L97
L23:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  shl    $0x5,%rax
  mov    %rax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  subsd  -0x18(%rbp),%xmm0
  movq   %xmm0,%rdx
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rcx
  mov    %rcx,%rax
  shl    $0x2,%rax
  add    %rcx,%rax
  shl    $0x5,%rax
  mov    %rax,%rcx
  mov    -0x40(%rbp),%rax
  lea    (%rcx,%rax,1),%rbx
  movq   %rdx,%xmm0
  call   <sqrt@plt>
  movq   %xmm0,%rax
  mov    -0x1c(%rbp),%edx
  movslq %edx,%rdx
  mov    %rax,(%rbx,%rdx,8)
  addl   $0x1,-0x1c(%rbp)
L52:
  mov    -0x1c(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jle    L6
  mov    $0x1,%eax
L97:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
data_type: qword

tool: D8: 9223372036854775807

assistant: ```c
int pdef(double a[][20], double l[][20], int n, double toler) {
  int i, j, k;
  double sum;
  if (a[1][1] <= 0) {
    return 0;
  } else
    l[1][1] = sqrt(a[1][1]);
  for (k = 2; k <= n; k++) {
    for (i = 1; i < k; i++) {
      sum = 0.;
      for (j = 1; j < i; j++)
        sum += l[i][j] * l[k][j];
      if (fabs(a[k][i] - sum) > toler) {
        l[k][i] = (a[k][i] - sum) / l[i][i];
      } else
        l[k][i] = 0.;
      l[i][k] = 0.;
    }
    for (j = 1, sum = 0.; j < k; j++)
      sum += l[k][j] * l[k][j];
    if (a[k][k] - sum <= 0.) {
      l[k][k] = 0.;
      return 0;
    } else
      l[k][k] = sqrt(a[k][k] - sum);
  }
  return 1;
}
```