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

```asm
<pandg_back>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movss  %xmm0,-0x34(%rbp)
  movss  %xmm1,-0x38(%rbp)
  movss  %xmm2,-0x3c(%rbp)
  mov    -0x28(%rbp),%rax
  movss  (%rax),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D5(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x20(%rbp)
  mov    -0x30(%rbp),%rax
  movss  (%rax),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D16(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x1c(%rbp)
  mov    -0x20(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %eax,%ebx
  mov    -0x1c(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  imul   %ebx,%eax
  mov    %eax,%edi
  call   <asin@plt>
  cvtsd2ss %xmm0,%xmm0
  movss  %xmm0,-0x18(%rbp)
  mov    -0x20(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  neg    %eax
  mov    %eax,%ebx
  mov    -0x20(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %eax,%r12d
  mov    -0x1c(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  imul   %r12d,%eax
  mov    %ebx,%esi
  mov    %eax,%edi
  call   <atan2@plt>
  movd   %xmm0,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  imul   %eax,%ebx
  mov    %ebx,%r12d
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  movss  -0x14(%rbp),%xmm0
  subss  -0x3c(%rbp),%xmm0
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %ebx,%edx
  imul   %eax,%edx
  mov    %r12d,%eax
  sub    %edx,%eax
  mov    %eax,%edi
  call   <asin@plt>
  movsd  D28(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  mov    -0x28(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  movss  -0x14(%rbp),%xmm0
  subss  -0x3c(%rbp),%xmm0
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  mov    %ebx,%r12d
  mov    -0x34(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  imul   %ebx,%eax
  lea    (%r12,%rax,1),%ebx
  mov    -0x18(%rbp),%eax
  movd   %eax,%xmm0
  call   <cos@plt>
  mov    %eax,%r12d
  movss  -0x14(%rbp),%xmm0
  subss  -0x3c(%rbp),%xmm0
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  call   <sin@plt>
  imul   %r12d,%eax
  mov    %ebx,%esi
  mov    %eax,%edi
  call   <atan2@plt>
  movd   %xmm0,%eax
  movd   %eax,%xmm0
  subss  -0x38(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtss2sd %xmm0,%xmm1
  movsd  D11(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  mov    -0x30(%rbp),%rax
  movss  %xmm0,(%rax)
  nop
  add    $0x30,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_tag: D5
type: byte[8]
name: read_data
arguments: data_tag: D16
type: byte[8]
name: read_data
arguments: data_tag: D28
type: byte[8]
name: read_data
arguments: data_tag: D11
type: byte[8]

tool: {"D5": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0x3f]}

tool: {"D16": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0xbf]}

tool: {"D28": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0x40]}

tool: {"D11": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0xc0]}

assistant: ```c
void pandg_back(float *lat, float *lon, float a, float b, float r) {
  float pr, gr, pm, gm;
  pr = (3.1415926 / 180.0) * *lat;
  gr = -(3.1415926 / 180.0) * *lon;
  pm = asin(cos(pr) * cos(gr));
  gm = atan2(cos(pr) * sin(gr), -sin(pr));
  *lat = (180.0 / 3.1415926) * asin(sin(a) * sin(pm) - cos(a) * cos(pm) * cos(gm - r));
  *lon = -(180.0 / 3.1415926) * (-b + atan2(cos(pm) * sin(gm - r), sin(a) * cos(pm) * cos(gm - r) + cos(a) * sin(pm)));
}
```