// 
// sub_55D20 from 0x55d20 to 0x55d90 (112 bytes)
// 
// 2 xrefs:
// > sub_54DB0 @ 0x55610
// > sub_54DB0 @ 0x55928
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

long double __fastcall sub_55D20(float a1, float a2, long double a3)
{
  float v3; // s2
  float v4; // s3
  bool v5; // nf
  float v6; // s0
  float v7; // s1
  float v8; // s1

  LODWORD(a3) = 0;
  if ( a1 != 0.0 || a2 != 0.0 )
  {
    v3 = fabsf(a2);
    v4 = fabsf(a1);
    if ( v4 <= v3 )
    {
      v6 = a1 / v3;
      if ( a2 < 0.0 )
      {
        v8 = 5.0;
        goto LABEL_8;
      }
      v7 = 1.0;
    }
    else
    {
      v5 = a1 < 0.0;
      v6 = a2 / v4;
      if ( !v5 )
      {
        v8 = 3.0;
LABEL_8:
        *(float *)&a3 = v8 - v6;
        return a3;
      }
      v7 = 7.0;
    }
    *(float *)&a3 = v6 + v7;
  }
  return a3;
}