user: What would the C source look like for the assembly code provided here:

```asm
<getPLU>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %esi,%eax
  mov    %edx,%ebx
  mov    0x50(%rsp),%r12
  test   %r8,%r8
  je     L349
  mov    %rcx,%rsi
  mov    %eax,%ecx
  imul   %eax,%ecx
  test   %ecx,%ecx
  jle    L482
  mov    %r8,%rdx
  lea    -0x1(%rcx),%ecx
  lea    0x8(%r8,%rcx,8),%rcx
L358:
  movq   $0x0,(%rdx)
  add    $0x8,%rdx
  cmp    %rcx,%rdx
  jne    L358
L482:
  test   %eax,%eax
  jle    L349
  mov    %eax,%edi
  mov    $0x0,%ecx
  movsd  D26(%rip),%xmm0
L516:
  mov    %eax,%edx
  imul   (%rsi,%rcx,4),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  movsd  %xmm0,(%r8,%rdx,8)
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  jne    L516
L349:
  cmp    %ebx,%eax
  je     L499
  jle    L203
  test   %r9,%r9
  je     L396
  test   %ebx,%ebx
  jle    L8
  movslq %ebx,%r11
  add    $0x1,%r11
  lea    0x0(,%r11,8),%rdi
  mov    %rdi,(%rsp)
  lea    0x8(%r9),%rsi
  lea    -0x1(%rbx),%r13d
  mov    %r13d,%r10d
  add    $0x1,%r10
  mov    $0x0,%r8d
  mov    $0x0,%edi
  mov    $0x1,%ecx
  movsd  D26(%rip),%xmm1
  lea    0x10(%r9),%r14
  jmp    L97
L499:
  test   %r9,%r9
  je     L372
  test   %eax,%eax
  jle    L245
  movslq %eax,%r11
  add    $0x1,%r11
  lea    0x0(,%r11,8),%r14
  lea    0x8(%r9),%rsi
  lea    -0x1(%rax),%ebx
  mov    %ebx,%r10d
  add    $0x1,%r10
  mov    $0x0,%r8d
  mov    $0x0,%edi
  mov    $0x1,%ecx
  movsd  D26(%rip),%xmm1
  lea    0x10(%r9),%r13
  jmp    L379
L200:
  lea    (%rdi,%rax,1),%r15d
  movslq %r15d,%r15
  lea    0x0(,%r15,8),%rdx
  add    %rcx,%r15
  shl    $0x3,%r15
L563:
  movsd  0x0(%rbp,%rdx,1),%xmm0
  movsd  %xmm0,(%r9,%rdx,1)
  add    $0x8,%rdx
  cmp    %rdx,%r15
  jne    L563
L180:
  add    $0x1,%rcx
  add    %r14,%rsi
  add    %eax,%edi
  add    %r11,%r8
L379:
  movsd  %xmm1,-0x8(%rsi)
  cmp    %r10,%rcx
  je     L290
  mov    %ebx,%edx
  sub    %ecx,%edx
  add    %r8,%rdx
  lea    0x0(%r13,%rdx,8),%r15
  mov    %rsi,%rdx
L110:
  movq   $0x0,(%rdx)
  add    $0x8,%rdx
  cmp    %r15,%rdx
  jne    L110
  test   %ecx,%ecx
  jg     L200
  jmp    L180
L372:
  test   %r12,%r12
  je     L245
  test   %eax,%eax
  jg     L252
L245:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L273:
  lea    (%rax,%r8,1),%ecx
  movslq %ecx,%rcx
  lea    (%r12,%rcx,8),%rdx
  add    %rdi,%rcx
  lea    (%r10,%rcx,8),%rcx
L558:
  movq   $0x0,(%rdx)
  add    $0x8,%rdx
  cmp    %rdx,%rcx
  jne    L558
L402:
  add    $0x1,%rdi
  add    %eax,%r8d
L477:
  mov    %edi,%r11d
  cmp    %edi,%eax
  jle    L143
  movslq %r8d,%rcx
  shl    $0x3,%rcx
  lea    0x0(%rbp,%rcx,1),%rsi
  add    %r12,%rcx
  mov    %rdi,%rdx
L34:
  movsd  (%rsi,%rdx,8),%xmm0
  movsd  %xmm0,(%rcx,%rdx,8)
  add    $0x1,%rdx
  cmp    %edx,%eax
  jg     L34
L143:
  cmp    %rdi,%r9
  je     L245
  add    $0x1,%r11d
  test   %r11d,%r11d
  jg     L273
  jmp    L402
L4:
  lea    (%rdi,%rbx,1),%r15d
  movslq %r15d,%r15
  lea    0x0(,%r15,8),%rdx
  add    %rcx,%r15
  shl    $0x3,%r15
L230:
  movsd  0x0(%rbp,%rdx,1),%xmm0
  movsd  %xmm0,(%r9,%rdx,1)
  add    $0x8,%rdx
  cmp    %r15,%rdx
  jne    L230
L352:
  add    $0x1,%rcx
  add    (%rsp),%rsi
  add    %ebx,%edi
  add    %r11,%r8
L97:
  movsd  %xmm1,-0x8(%rsi)
  cmp    %r10,%rcx
  je     L8
  mov    %r13d,%edx
  sub    %ecx,%edx
  add    %r8,%rdx
  lea    (%r14,%rdx,8),%r15
  mov    %rsi,%rdx
L136:
  movq   $0x0,(%rdx)
  add    $0x8,%rdx
  cmp    %r15,%rdx
  jne    L136
  test   %ecx,%ecx
  jg     L4
  jmp    L352
L8:
  mov    %ebx,%edx
  imul   %ebx,%edx
  movslq %edx,%rdx
  shl    $0x3,%rdx
  sub    %ebx,%eax
  imul   %ebx,%eax
  shl    $0x3,%eax
  lea    0x0(%rbp,%rdx,1),%rsi
  lea    (%r9,%rdx,1),%rdi
  mov    %eax,%edx
  call   <memcpy@plt>
L396:
  test   %r12,%r12
  je     L245
  test   %ebx,%ebx
  jle    L245
  lea    -0x1(%rbx),%r8d
  mov    $0x0,%edi
  mov    $0x0,%esi
  lea    0x8(%r12),%r9
  jmp    L411
L195:
  lea    (%rdi,%rbx,1),%edx
  movslq %edx,%rdx
  lea    (%r12,%rdx,8),%rax
  add    %rsi,%rdx
  lea    (%r9,%rdx,8),%rdx
L373:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L373
L215:
  add    $0x1,%rsi
  add    %ebx,%edi
L411:
  mov    %esi,%r10d
  cmp    %esi,%ebx
  jle    L127
  movslq %edi,%rdx
  shl    $0x3,%rdx
  lea    0x0(%rbp,%rdx,1),%rcx
  add    %r12,%rdx
  mov    %rsi,%rax
L423:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L423
L127:
  cmp    %r8,%rsi
  je     L245
  add    $0x1,%r10d
  test   %r10d,%r10d
  jg     L195
  jmp    L215
L203:
  jge    L245
  test   %r9,%r9
  je     L210
  test   %eax,%eax
  jle    L245
  movslq %eax,%rdx
  lea    0x1(%rdx),%rdi
  mov    %rdi,0x8(%rsp)
  lea    -0x1(%rax),%r14d
  mov    %r14d,%edx
  lea    0x1(%rdx),%rdi
  mov    %ebx,%r13d
  mov    $0x0,%r10d
  mov    $0x0,%r11d
  mov    $0x1,%r8d
  movsd  D26(%rip),%xmm1
  lea    0x8(%r9),%r15
  lea    0x10(%r9),%rsi
  mov    %ebx,(%rsp)
  mov    %rdi,%rbx
  mov    %r12,0x50(%rsp)
  mov    %rsi,%r12
  jmp    L431
L593:
  movslq %r13d,%rdx
  lea    0x0(%rbp,%rdx,8),%rdi
  lea    (%r11,%rax,1),%edx
  movslq %edx,%rdx
  lea    (%r9,%rdx,8),%rsi
  lea    0x0(,%r8,8),%rcx
  mov    $0x0,%edx
L527:
  movsd  (%rdi,%rdx,1),%xmm0
  movsd  %xmm0,(%rsi,%rdx,1)
  add    $0x8,%rdx
  cmp    %rcx,%rdx
  jne    L527
L184:
  add    $0x1,%r8
  add    (%rsp),%r13d
  add    %eax,%r11d
  add    0x8(%rsp),%r10
L431:
  movsd  %xmm1,(%r9,%r10,8)
  cmp    %rbx,%r8
  je     L312
  lea    (%r15,%r10,8),%rdx
  mov    %r14d,%ecx
  sub    %r8d,%ecx
  add    %r10,%rcx
  lea    (%r12,%rcx,8),%rcx
L551:
  movq   $0x0,(%rdx)
  add    $0x8,%rdx
  cmp    %rcx,%rdx
  jne    L551
  test   %r8d,%r8d
  jg     L593
  jmp    L184
L210:
  test   %r12,%r12
  je     L245
  test   %eax,%eax
  jg     L251
  jmp    L245
L65:
  lea    (%rdi,%rbx,1),%edx
  movslq %edx,%rdx
  lea    (%r12,%rdx,8),%rax
  add    %rsi,%rdx
  lea    (%r9,%rdx,8),%rdx
L533:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L533
L537:
  add    $0x1,%rsi
  add    %ebx,%edi
L157:
  mov    %esi,%r10d
  cmp    %esi,%ebx
  jle    L519
  movslq %edi,%rdx
  shl    $0x3,%rdx
  lea    0x0(%rbp,%rdx,1),%rcx
  add    %r12,%rdx
  mov    %rsi,%rax
L187:
  movsd  (%rcx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L187
L519:
  cmp    %r8,%rsi
  je     L245
  add    $0x1,%r10d
  test   %r10d,%r10d
  jg     L65
  jmp    L537
L290:
  test   %r12,%r12
  je     L245
L252:
  lea    -0x1(%rax),%r9d
  mov    $0x0,%r8d
  mov    $0x0,%edi
  lea    0x8(%r12),%r10
  jmp    L477
L312:
  mov    (%rsp),%ebx
  mov    0x50(%rsp),%r12
  test   %r12,%r12
  je     L245
L251:
  lea    -0x1(%rax),%r8d
  mov    $0x0,%edi
  mov    $0x0,%esi
  lea    0x8(%r12),%r9
  jmp    L157
```

tool_calls: name: parse_data
arguments: label: D26
type_guessed: f64

tool: D26: 1

assistant: ```c
void getPLU(double *A, int M, int N, int *ipiv, double *P, double *L, double *U) {
  int i, j, k;
  if (P) {
    for (i = 0; i < M * M; ++i) {
      P[i] = 0.0;
    }
    for (j = 0; j < M; ++j) {
      P[ipiv[j] * M + j] = 1.0;
    }
  }
  if (M == N) {
    if (L) {
      for (i = 0; i < M; ++i) {
        for (j = 0; j < i; ++j) {
          L[i * M + j] = A[i * M + j];
        }
        L[i * M + i] = 1.0;
        for (j = i + 1; j < M; ++j) {
          L[i * M + j] = 0.0;
        }
      }
    }
    if (U) {
      for (i = 0; i < M; ++i) {
        for (j = 0; j < i; ++j) {
          U[i * M + j] = 0.0;
        }
        for (j = i; j < M; ++j) {
          U[i * M + j] = A[i * M + j];
        }
      }
    }
  } else if (M > N) {
    if (L) {
      for (i = 0; i < N; ++i) {
        for (j = 0; j < i; ++j) {
          L[i * N + j] = A[i * N + j];
        }
        L[i * N + i] = 1.0;
        for (j = i + 1; j < N; ++j) {
          L[i * N + j] = 0.0;
        }
      }
      memcpy(L + N * N, A + N * N, sizeof(double) * (M - N) * N);
    }
    if (U) {
      for (i = 0; i < N; ++i) {
        for (j = 0; j < i; ++j) {
          U[i * N + j] = 0.0;
        }
        for (j = i; j < N; ++j) {
          U[i * N + j] = A[i * N + j];
        }
      }
    }
  } else if (M < N) {
    if (L) {
      for (i = 0; i < M; ++i) {
        for (j = 0; j < i; ++j) {
          L[i * M + j] = A[i * N + j];
        }
        L[i * M + i] = 1.0;
        for (j = i + 1; j < M; ++j) {
          L[i * M + j] = 0.0;
        }
      }
    }
    if (U) {
      for (i = 0; i < M; ++i) {
        for (j = 0; j < i; ++j) {
          U[i * N + j] = 0.0;
        }
        for (j = i; j < N; ++j) {
          U[i * N + j] = A[i * N + j];
        }
      }
    }
  }
}
```