user: 下面的汇编指令对应的C源代码是什么：

```asm
<FastAtan2>:
  endbr64
  movaps %xmm0,%xmm3
  ucomiss D145(%rip),%xmm1
  jp     L66
  jne    L66
  ucomiss D145(%rip),%xmm0
  jp     L15
  pxor   %xmm0,%xmm0
  je     L53
L15:
  movss  D93(%rip),%xmm0
  comiss D145(%rip),%xmm3
  ja     L53
  pxor   %xmm0,%xmm0
  comiss %xmm3,%xmm0
  ja     L27
L66:
  pxor   %xmm4,%xmm4
  movaps %xmm3,%xmm0
  xorps  D159(%rip),%xmm0
  movaps %xmm3,%xmm2
  cmpltss %xmm4,%xmm2
  andps  %xmm2,%xmm0
  andnps %xmm3,%xmm2
  orps   %xmm2,%xmm0
  movaps %xmm4,%xmm5
  movaps %xmm1,%xmm2
  xorps  D159(%rip),%xmm2
  movaps %xmm1,%xmm4
  cmpltss %xmm5,%xmm4
  andps  %xmm4,%xmm2
  andnps %xmm1,%xmm4
  orps   %xmm4,%xmm2
  mov    $0x0,%eax
  comiss %xmm2,%xmm0
  jbe    L65
  movaps %xmm0,%xmm4
  movaps %xmm2,%xmm0
  movaps %xmm4,%xmm2
  mov    $0x2,%eax
L65:
  divss  %xmm2,%xmm0
  comiss D184(%rip),%xmm0
  jbe    L105
  movaps %xmm0,%xmm2
  mulss  D146(%rip),%xmm2
  subss  D39(%rip),%xmm2
  addss  %xmm0,%xmm2
  movaps %xmm0,%xmm4
  addss  D46(%rip),%xmm4
  movaps %xmm2,%xmm0
  divss  %xmm4,%xmm0
  add    $0x1,%eax
L105:
  pxor   %xmm5,%xmm5
  movaps %xmm0,%xmm2
  xorps  D159(%rip),%xmm2
  movaps %xmm0,%xmm4
  cmpltss %xmm5,%xmm4
  andps  %xmm4,%xmm2
  andnps %xmm0,%xmm4
  orps   %xmm4,%xmm2
  movss  D140(%rip),%xmm4
  comiss %xmm2,%xmm4
  ja     L139
  movaps %xmm0,%xmm5
  mulss  %xmm0,%xmm5
  movaps %xmm5,%xmm2
  mulss  D206(%rip),%xmm2
  subss  D114(%rip),%xmm2
  mulss  %xmm5,%xmm2
  movaps %xmm5,%xmm4
  addss  D117(%rip),%xmm4
  mulss  %xmm5,%xmm4
  addss  D35(%rip),%xmm4
  divss  %xmm4,%xmm2
  mulss  %xmm0,%xmm2
  addss  %xmm2,%xmm0
L139:
  cmp    $0x1,%eax
  jle    L121
  xorps  D159(%rip),%xmm0
L121:
  cltq
  lea    D209(%rip),%rdx
  addss  (%rdx,%rax,4),%xmm0
  pxor   %xmm2,%xmm2
  comiss %xmm1,%xmm2
  ja     L49
L9:
  pxor   %xmm1,%xmm1
  comiss %xmm3,%xmm1
  ja     L41
L53:
  ret
L49:
  movss  D183(%rip),%xmm1
  subss  %xmm0,%xmm1
  movaps %xmm1,%xmm0
  jmp    L9
L41:
  xorps  D159(%rip),%xmm0
  ret
L27:
  movss  D165(%rip),%xmm0
  jmp    L53
```

tool_calls: name: parse_data
arguments: tag: D145
datatype: f64
name: parse_data
arguments: tag: D93
datatype: byte[4]
name: parse_data
arguments: tag: D159
datatype: byte[16]
name: parse_data
arguments: tag: D184
datatype: byte[4]
name: parse_data
arguments: tag: D146
datatype: byte[4]
name: parse_data
arguments: tag: D39
datatype: byte[4]
name: parse_data
arguments: tag: D46
datatype: byte[4]
name: parse_data
arguments: tag: D140
datatype: byte[4]
name: parse_data
arguments: tag: D206
datatype: byte[4]
name: parse_data
arguments: tag: D114
datatype: byte[4]
name: parse_data
arguments: tag: D117
datatype: byte[4]
name: parse_data
arguments: tag: D35
datatype: byte[4]
name: parse_data
arguments: tag: D209
datatype: string
name: parse_data
arguments: tag: D183
datatype: byte[4]
name: parse_data
arguments: tag: D165
datatype: byte[4]

tool: D145: 0

tool: {"D93": [0xdb,0x0f,0xc9,0x3f]}

tool: {"D159": [0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: {"D184": [0xa3,0x30,0x89,0x3e]}

tool: {"D146": [0xaf,0x67,0x3b,0x3f]}

tool: {"D39": [0x00,0x00,0x80,0x3f]}

tool: {"D46": [0xd7,0xb3,0xdd,0x3f]}

tool: {"D140": [0xf3,0x04,0xb5,0x39]}

tool: {"D206": [0xae,0x53,0x38,0xbf]}

tool: {"D114": [0xa8,0x54,0xb8,0x3f]}

tool: {"D117": [0x3c,0x12,0x98,0x40]}

tool: {"D35": [0x7e,0x3f,0x8a,0x40]}

tool: 

tool: {"D183": [0xdb,0x0f,0x49,0x40]}

tool: {"D165": [0xdb,0x0f,0xc9,0xbf]}

assistant: ```c
float FastAtan2(float y, float x) {
  float f, g;
  float num, den;
  float result;
  int n;
  static const float a[4] = {0, (float)(0.52359877559829887307710723054658f), (float)(1.5707963267948966192313216916398f), (float)(1.0471975511965977461542144610932f)};
  if (x == (float)0.0) {
    if (y == (float)0.0) {
      result = 0.0;
      return result;
    }
    result = (float)(1.5707963267948966192313216916398f);
    if (y > (float)0.0) {
      return result;
    }
    if (y < (float)0.0) {
      result = -result;
      return result;
    }
  }
  n = 0;
  num = y;
  den = x;
  if (num < (float)0.0) {
    num = -num;
  }
  if (den < (float)0.0) {
    den = -den;
  }
  if (num > den) {
    f = den;
    den = num;
    num = f;
    n = 2;
  }
  f = num / den;
  if (f > (float)(0.26794919243112270647255365849413f)) {
    num = f * (float)(0.73205080756887729352744634150587f) - 1.0f + f;
    den = (float)(1.7320508075688772935274463415059f) + f;
    f = num / den;
    n = n + 1;
  }
  g = f;
  if (g < (float)0.0) {
    g = -g;
  }
  if (g < (float)(+3.452669830012e-4f)) {
    result = f;
  } else {
    g = f * f;
    num = ((-7.20026848898e-1f) * g + (-1.44008344874f)) * g;
    den = (g + (+4.75222584599f)) * g + (+4.32025038919f);
    result = num / den;
    result = result * f + f;
  }
  if (n > 1) {
    result = -result;
  }
  result = result + a[n];
  if (x < (float)0.0) {
    result = (3.1415926535897932384626433832795f) - result;
  }
  if (y < (float)0.0) {
    result = -result;
  }
  return result;
}
```