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

```asm
<bessk0>:
  endbr64
  sub    $0x28,%rsp
  movaps %xmm0,%xmm1
  movss  D173(%rip),%xmm0
  comiss %xmm1,%xmm0
  jb     L6
  movaps %xmm1,%xmm2
  movaps %xmm1,%xmm0
  movss  %xmm1,0x14(%rsp)
  mulss  %xmm1,%xmm2
  mulss  D57(%rip),%xmm0
  cvtss2sd %xmm2,%xmm2
  mulsd  D81(%rip),%xmm2
  movsd  %xmm2,0x18(%rsp)
  call   <log@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movaps %xmm1,%xmm0
  call   <bessi0@plt>
  movsd  0x18(%rsp),%xmm2
  movsd  D138(%rip),%xmm5
  movaps %xmm0,%xmm1
  movsd  D125(%rip),%xmm0
  mulsd  %xmm2,%xmm5
  cvtss2sd %xmm1,%xmm1
  mulsd  0x8(%rsp),%xmm1
  addsd  %xmm5,%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D6(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D32(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D38(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D186(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  subsd  D18(%rip),%xmm0
  add    $0x28,%rsp
  subsd  %xmm1,%xmm0
  cvtsd2ss %xmm0,%xmm0
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  movsd  D123(%rip),%xmm2
  pxor   %xmm0,%xmm0
  movss  %xmm1,0x14(%rsp)
  cvtss2sd %xmm1,%xmm0
  divsd  %xmm0,%xmm2
  movaps %xmm1,%xmm0
  xorps  D97(%rip),%xmm0
  movsd  %xmm2,0x18(%rsp)
  call   <exp@plt>
  movss  0x14(%rsp),%xmm1
  movsd  %xmm0,0x8(%rsp)
  movaps %xmm1,%xmm0
  call   <sqrt@plt>
  movsd  0x8(%rsp),%xmm3
  movsd  0x18(%rsp),%xmm2
  movapd %xmm0,%xmm4
  movsd  D46(%rip),%xmm0
  divsd  %xmm4,%xmm3
  mulsd  %xmm2,%xmm0
  subsd  D154(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D93(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  subsd  D111(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D9(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  subsd  D114(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  D161(%rip),%xmm0
  add    $0x28,%rsp
  mulsd  %xmm3,%xmm0
  cvtsd2ss %xmm0,%xmm0
  ret
```

tool_calls: name: read_data
arguments: data_tag: D173
datatype: f32
name: read_data
arguments: data_tag: D57
datatype: byte[4]
name: read_data
arguments: data_tag: D81
datatype: byte[8]
name: read_data
arguments: data_tag: D138
datatype: byte[8]
name: read_data
arguments: data_tag: D125
datatype: byte[8]
name: read_data
arguments: data_tag: D6
datatype: byte[8]
name: read_data
arguments: data_tag: D32
datatype: byte[8]
name: read_data
arguments: data_tag: D38
datatype: f64
name: read_data
arguments: data_tag: D186
datatype: f64
name: read_data
arguments: data_tag: D18
datatype: f64
name: read_data
arguments: data_tag: D123
datatype: byte[8]
name: read_data
arguments: data_tag: D97
datatype: byte[16]
name: read_data
arguments: data_tag: D46
datatype: byte[8]
name: read_data
arguments: data_tag: D154
datatype: byte[8]
name: read_data
arguments: data_tag: D93
datatype: byte[8]
name: read_data
arguments: data_tag: D111
datatype: byte[8]
name: read_data
arguments: data_tag: D9
datatype: byte[8]
name: read_data
arguments: data_tag: D114
datatype: byte[8]
name: read_data
arguments: data_tag: D161
datatype: f64

tool: D173: 2

tool: {"D57": [0x00,0x00,0x00,0x3f]}

tool: {"D81": [0x00,0x00,0x00,0x00,0x00,0x00,0xd0,0x3f]}

tool: {"D138": [0xac,0x2a,0xea,0x82,0xb0,0x09,0xdf,0x3e]}

tool: {"D125": [0x03,0x95,0xf1,0xef,0x33,0x2e,0x1c,0x3f]}

tool: {"D6": [0x7e,0xeb,0xfd,0x25,0x2d,0x85,0x65,0x3f]}

tool: {"D32": [0x8c,0xdc,0x2e,0x8f,0x90,0xdc,0xa1,0x3f]}

tool: D38: 0.23069756

tool: D186: 0.4227842

tool: D18: 0.57721566

tool: {"D123": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40]}

tool: {"D97": [0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: {"D46": [0x59,0x1a,0x74,0x19,0x69,0x6f,0x41,0x3f]}

tool: {"D154": [0x7e,0x3f,0x90,0x17,0x2d,0x9b,0x64,0x3f]}

tool: {"D93": [0x7b,0x07,0x47,0xe2,0x48,0x14,0x78,0x3f]}

tool: {"D111": [0x5f,0xba,0xe6,0xe1,0x46,0xc2,0x85,0x3f]}

tool: {"D9": [0xe8,0x3f,0x18,0x36,0xd2,0x6b,0x96,0x3f]}

tool: {"D114": [0x34,0x0b,0x9b,0x9e,0x03,0x0d,0xb4,0x3f]}

tool: D161: 1.25331414

assistant: ```c
float bessk0(float x) {
  float bessi0(float x);
  double y, ans;
  if (x <= 2.0) {
    y = x * x / 4.0;
    ans = (-log(x / 2.0) * bessi0(x)) + (-0.57721566 + y * (0.42278420 + y * (0.23069756 + y * (0.3488590e-1 + y * (0.262698e-2 + y * (0.10750e-3 + y * 0.74e-5))))));
  } else {
    y = 2.0 / x;
    ans = (exp(-x) / sqrt(x)) * (1.25331414 + y * (-0.7832358e-1 + y * (0.2189568e-1 + y * (-0.1062446e-1 + y * (0.587872e-2 + y * (-0.251540e-2 + y * 0.53208e-3))))));
  }
  return ans;
}
```