// 
// acosf from 0x180127650 to 0x18012787c (556 bytes)
// 
// 3 xrefs:
// > sub_1800107D0 @ 0x180010fae
// > sub_1800107D0 @ 0x180011494
// > <???> @ 0x1802029fc
// 
// 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
// 

float __cdecl acosf(float X)
{
  float v1; // xmm6_4
  __int64 v2; // rdx
  float v3; // xmm6_4
  float v4; // xmm4_4
  float v5; // xmm2_4
  float v6; // xmm5_4
  float v7; // [rsp+70h] [rbp+8h]

  v1 = 0.0;
  v2 = (unsigned __int8)(LODWORD(X) >> 23);
  if ( (LODWORD(X) & 0x7FFFFFFFu) > 0x7F800000 )
    return handle_nanf(LODWORD(X), v2);
  if ( (unsigned int)v2 < 0x65 )
  {
    v3 = 1.5707964;
LABEL_10:
    set_statfp(32);
    return v3;
  }
  if ( (unsigned int)v2 < 0x7F )
  {
    v4 = X;
    if ( X < 0.0 )
      v4 = -X;
    if ( (unsigned int)v2 < 0x7E )
    {
      v5 = v4 * v4;
      v7 = v4 * v4;
    }
    else
    {
      v5 = (float)(1.0 - v4) * 0.5;
      v7 = v5;
      v1 = fsqrt(v5);
      v4 = v1;
    }
    v6 = (float)((float)((float)((float)((float)((float)(-0.013381929 - (float)(v5 * 0.0039613745)) * v5) - 0.056529868)
                               * v5)
                       + 0.1841616)
               * v5)
       / (float)(1.1049696 - (float)(v5 * 0.8364113));
    if ( (unsigned int)v2 < 0x7E )
    {
      return 1.570796326794897 - (X - (6.123233995736766e-17 - (float)(v6 * X)));
    }
    else if ( X >= 0.0 )
    {
      return (float)((float)((float)(v4 + v4) * v6)
                   + (float)((float)((float)(v7
                                           - (float)(COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000)
                                                   * COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000)))
                                   / (float)(COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000) + v1))
                           + (float)((float)(v7
                                           - (float)(COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000)
                                                   * COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000)))
                                   / (float)(COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000) + v1))))
           + (float)(COERCE_FLOAT(LODWORD(v1) & 0xFFFF0000) * 2.0);
    }
    else
    {
      return 3.141592653589793
           - ((float)(v6 * v4)
            - 6.123233995736766e-17
            + v1
            + (float)(v6 * v4)
            - 6.123233995736766e-17
            + v1);
    }
  }
  else
  {
    if ( X == 1.0 )
      return 0.0;
    if ( X == -1.0 )
    {
      v3 = 3.1415927;
      goto LABEL_10;
    }
    handle_errorf((unsigned int)"acosf", 13, -4194304, 1, 8, 33, LODWORD(X), 0, 1);
  }
  return X;
}