user: What is the c source code of the assembly code below:

```asm
<RedBlack_GaussSeidel>:
  endbr64
  push   %r15
  mov    %esi,%r15d
  mov    %edx,%esi
  push   %r14
  shr    $0x1f,%esi
  push   %r13
  add    %edx,%esi
  push   %r12
  sar    %esi
  push   %rbp
  mov    %esi,%r13d
  mov    %rdi,%rbp
  mov    %r15d,%edi
  push   %rbx
  mov    %edx,%ebx
  sub    $0x28,%rsp
  mov    %ecx,0x18(%rsp)
  mov    0x78(%rsp),%r12
  mov    %r9d,0x8(%rsp)
  mov    %r8d,0x1c(%rsp)
  movsd  %xmm0,0x10(%rsp)
  call   <CreateGrid@plt>
  mov    %r13d,%esi
  mov    %r15d,%edi
  mov    %rax,%r14
  call   <CreateGrid@plt>
  mov    %rax,%r13
  mov    0x70(%rsp),%rax
  movl   $0x0,(%rax)
  xor    %eax,%eax
  call   <omp_get_wtime@plt>
  test   %r15d,%r15d
  mov    0x8(%rsp),%r9d
  mov    0x18(%rsp),%ecx
  movsd  0x10(%rsp),%xmm2
  movsd  %xmm0,(%r12)
  jle    L160
  lea    -0x1(%r15),%r11d
  mov    $0x1,%r10d
  add    $0x2,%r11
  cs nopw 0x0(%rax,%rax,1)
L57:
  mov    %r10d,%edx
  and    $0x1,%edx
  cmp    %edx,%ebx
  jle    L334
  mov    -0x8(%rbp,%r10,8),%rdi
  mov    -0x8(%r13,%r10,8),%rsi
  movslq %edx,%rdx
  nopw   0x0(%rax,%rax,1)
L283:
  mov    %edx,%eax
  movsd  (%rdi,%rdx,8),%xmm1
  shr    $0x1f,%eax
  add    %edx,%eax
  add    $0x2,%rdx
  sar    %eax
  cltq
  movsd  %xmm1,(%rsi,%rax,8)
  cmp    %edx,%ebx
  jg     L283
L334:
  add    $0x1,%r10
  cmp    %r10,%r11
  jne    L57
  mov    %r15d,%r11d
  xor    %r10d,%r10d
  nopl   0x0(%rax)
L312:
  mov    %r10d,%edx
  and    $0x1,%edx
  cmp    %edx,%ebx
  jle    L184
  mov    0x0(%rbp,%r10,8),%rdi
  mov    (%r14,%r10,8),%rsi
  movslq %edx,%rdx
  cs nopw 0x0(%rax,%rax,1)
L69:
  mov    %edx,%eax
  movsd  (%rdi,%rdx,8),%xmm1
  shr    $0x1f,%eax
  add    %edx,%eax
  add    $0x2,%rdx
  sar    %eax
  cltq
  movsd  %xmm1,(%rsi,%rax,8)
  cmp    %edx,%ebx
  jg     L69
L184:
  add    $0x1,%r10
  cmp    %r10,%r11
  jne    L312
L160:
  test   %r9d,%r9d
  jne    L166
  mov    0x1c(%rsp),%eax
  test   %eax,%eax
  je     L23
  cmpl   $0x3,0x60(%rsp)
  je     L1
  jg     L151
  cmpl   $0x1,0x60(%rsp)
  je     L132
  cmpl   $0x2,0x60(%rsp)
  jne    L168
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %r13,%rdi
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %ebx,%ecx
  mov    %r15d,%edx
  mov    %r14,%rsi
  call   <RB_GS_OmpLoopV2@plt>
  pop    %rdi
  pop    %r8
  movapd %xmm0,%xmm2
  nopl   (%rax)
L250:
  cmp    $0x2,%r15d
  jle    L92
  lea    -0x3(%r15),%r9d
  sub    $0x1,%ebx
  mov    $0x1,%r8d
  lea    0x2(%r9),%r10
  nopl   0x0(%rax,%rax,1)
L137:
  mov    %r8d,%eax
  and    $0x1,%eax
  add    $0x1,%eax
  cmp    %ebx,%eax
  jge    L149
  mov    0x0(%r13,%r8,8),%rsi
  mov    0x0(%rbp,%r8,8),%rcx
  cltq
  nopl   0x0(%rax)
L295:
  mov    %eax,%edx
  sar    %edx
  movslq %edx,%rdx
  movsd  (%rsi,%rdx,8),%xmm1
  movsd  %xmm1,(%rcx,%rax,8)
  add    $0x2,%rax
  cmp    %eax,%ebx
  jg     L295
L149:
  add    $0x1,%r8
  cmp    %r8,%r10
  jne    L137
  lea    0x3(%r9),%r8
  mov    $0x2,%edi
  nopl   0x0(%rax,%rax,1)
L339:
  mov    %edi,%eax
  and    $0x1,%eax
  add    $0x1,%eax
  cmp    %ebx,%eax
  jge    L251
  mov    -0x8(%r14,%rdi,8),%rsi
  mov    -0x8(%rbp,%rdi,8),%rcx
  cltq
  nopl   0x0(%rax,%rax,1)
L105:
  mov    %eax,%edx
  sar    %edx
  movslq %edx,%rdx
  movsd  (%rsi,%rdx,8),%xmm1
  movsd  %xmm1,(%rcx,%rax,8)
  add    $0x2,%rax
  cmp    %eax,%ebx
  jg     L105
L251:
  add    $0x1,%rdi
  cmp    %rdi,%r8
  jne    L339
L92:
  xor    %eax,%eax
  movsd  %xmm2,0x8(%rsp)
  call   <omp_get_wtime@plt>
  subsd  (%r12),%xmm0
  movsd  0x8(%rsp),%xmm2
  movsd  %xmm0,(%r12)
  add    $0x28,%rsp
  movapd %xmm2,%xmm0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L166:
  mov    0x1c(%rsp),%eax
  test   %eax,%eax
  je     L205
  cmpl   $0x3,0x60(%rsp)
  je     L214
  jg     L44
  cmpl   $0x1,0x60(%rsp)
  je     L163
  cmpl   $0x2,0x60(%rsp)
  jne    L168
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %r13,%rdi
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %ebx,%ecx
  mov    %r15d,%edx
  mov    %r14,%rsi
  call   <RB_GS_OmpLoopV2err@plt>
  pop    %rdi
  pop    %r8
  movapd %xmm0,%xmm2
  jmp    L250
L151:
  cmpl   $0x4,0x60(%rsp)
  jne    L168
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %r15d,%edx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %ebx,%ecx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV4@plt>
  pop    %rax
  pop    %rdx
  movapd %xmm0,%xmm2
  jmp    L250
L44:
  cmpl   $0x4,0x60(%rsp)
  jne    L168
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %r15d,%edx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %ebx,%ecx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV4err@plt>
  pop    %rax
  pop    %rdx
  movapd %xmm0,%xmm2
  jmp    L250
L168:
  movsd  D8(%rip),%xmm2
  jmp    L250
L23:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_SeqLoop@plt>
  pop    %r11
  pop    %rax
  movapd %xmm0,%xmm2
  jmp    L250
L205:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_SeqLoopErr@plt>
  pop    %r11
  pop    %rax
  movapd %xmm0,%xmm2
  jmp    L250
L132:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV1@plt>
  pop    %r9
  pop    %r10
  movapd %xmm0,%xmm2
  jmp    L250
L214:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r14,%rsi
  mov    %r15d,%edx
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV3err@plt>
  pop    %rcx
  pop    %rsi
  movapd %xmm0,%xmm2
  jmp    L250
L1:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r14,%rsi
  mov    %r15d,%edx
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV3@plt>
  pop    %rcx
  pop    %rsi
  movapd %xmm0,%xmm2
  jmp    L250
L163:
  sub    $0x8,%rsp
  mov    %ecx,%r8d
  movapd %xmm2,%xmm0
  mov    %ebx,%ecx
  push   0x78(%rsp)
  mov    0x78(%rsp),%r9d
  mov    %r15d,%edx
  mov    %r14,%rsi
  mov    %r13,%rdi
  call   <RB_GS_OmpLoopV1err@plt>
  pop    %r9
  pop    %r10
  movapd %xmm0,%xmm2
  jmp    L250
```

tool_calls: name: read_data
arguments: data_tag: D8
type: byte[8]

tool: {"D8": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

assistant: ```c
double RedBlack_GaussSeidel(double **u, int m, int n, double eps, int maxit, int omp, int sqrerr, int version, int iterations_print, int *iterations, double *wtime) {
  double err;
  double **red;
  double **black;
  int i, j;
  red = CreateGrid(m, n / 2);
  black = CreateGrid(m, n / 2);
  *iterations = 0;
  *wtime = omp_get_wtime();
#pragma omp parallel shared(u, m, n, red, black) private(i, j)
  {
#pragma omp for
    for (i = 0; i < m; i++)
      for (j = (i + 1) % 2; j < n; j += 2) {
        black[i][j / 2] = u[i][j];
      }
#pragma omp for
    for (i = 0; i < m; i++)
      for (j = i % 2; j < n; j += 2) {
        red[i][j / 2] = u[i][j];
      }
  }
  if (sqrerr == 0)
    if (omp == 0)
      err = RB_GS_SeqLoop(black, red, m, n, eps, maxit, iterations_print, iterations);
    else
      switch (version) {
      case 1:
        err = RB_GS_OmpLoopV1(black, red, m, n, eps, maxit, iterations_print, iterations);
        break;
      case 2:
        err = RB_GS_OmpLoopV2(black, red, m, n, eps, maxit, iterations_print, iterations);
        break;
      case 3:
        err = RB_GS_OmpLoopV3(black, red, m, n, eps, maxit, iterations_print, iterations);
        break;
      case 4:
        err = RB_GS_OmpLoopV4(black, red, m, n, eps, maxit, iterations_print, iterations);
        break;
      default:
        err = -1.0;
        break;
      }
  else if (omp == 0)
    err = RB_GS_SeqLoopErr(black, red, m, n, eps, maxit, iterations_print, iterations);
  else
    switch (version) {
    case 1:
      err = RB_GS_OmpLoopV1err(black, red, m, n, eps, maxit, iterations_print, iterations);
      break;
    case 2:
      err = RB_GS_OmpLoopV2err(black, red, m, n, eps, maxit, iterations_print, iterations);
      break;
    case 3:
      err = RB_GS_OmpLoopV3err(black, red, m, n, eps, maxit, iterations_print, iterations);
      break;
    case 4:
      err = RB_GS_OmpLoopV4err(black, red, m, n, eps, maxit, iterations_print, iterations);
      break;
    default:
      err = -1.0;
      break;
    }
#pragma omp parallel private(j)
  {
#pragma omp for
    for (i = 1; i < m - 1; i++)
      for (j = i % 2 + 1; j < n - 1; j += 2) {
        u[i][j] = black[i][j / 2];
      }
#pragma omp for
    for (i = 1; i < m - 1; i++)
      for (j = (i + 1) % 2 + 1; j < n - 1; j += 2) {
        u[i][j] = red[i][j / 2];
      }
  }
  *wtime = omp_get_wtime() - *wtime;
  return err;
}
```