user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  lea    D85(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  lea    D9(%rip),%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  sub    $0x1c8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x1b8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  lea    D46(%rip),%rdi
  call   <puts@plt>
L16:
  pxor   %xmm2,%xmm2
  xor    %r13d,%r13d
L58:
  pxor   %xmm1,%xmm1
  mov    %ebp,%edi
  movsd  %xmm2,0x8(%rsp)
  cvtsi2sd %r13d,%xmm1
  divsd  D11(%rip),%xmm1
  movsd  %xmm1,(%rsp)
  add    $0x1,%r13d
  cvttsd2si %xmm1,%esi
  call   <fgamma_pyquante@plt>
  movsd  (%rsp),%xmm1
  mov    %ebp,%edi
  movq   %xmm0,%rbx
  movapd %xmm1,%xmm0
  call   <fgamma@plt>
  movsd  0x8(%rsp),%xmm2
  movapd %xmm0,%xmm1
  movq   %rbx,%xmm0
  subsd  %xmm1,%xmm0
  andpd  D101(%rip),%xmm0
  maxsd  %xmm2,%xmm0
  movapd %xmm0,%xmm2
  cmp    $0x186a0,%r13d
  jne    L58
  mov    %ebp,%esi
  mov    %r12,%rdi
  mov    $0x1,%eax
  add    $0x1,%ebp
  call   <printf@plt>
  cmp    $0x10,%ebp
  jne    L16
  lea    D0(%rip),%rdi
  xor    %ebx,%ebx
  lea    0x10(%rsp),%rbp
  call   <puts@plt>
L44:
  mov    %ebx,%r14d
  pxor   %xmm1,%xmm1
  xor    %r13d,%r13d
L27:
  pxor   %xmm0,%xmm0
  mov    %rbp,%rdx
  mov    $0x13,%edi
  movsd  %xmm1,(%rsp)
  cvtsi2sd %r13d,%xmm0
  divsd  D11(%rip),%xmm0
  add    $0x1,%r13d
  cvttsd2si %xmm0,%r15d
  mov    %r15d,%esi
  call   <fgamma_set@plt>
  mov    %r15d,%esi
  mov    %r14d,%edi
  call   <fgamma_pyquante@plt>
  movsd  (%rsp),%xmm1
  subsd  0x0(%rbp,%rbx,8),%xmm0
  andpd  D101(%rip),%xmm0
  maxsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  cmp    $0x186a0,%r13d
  jne    L27
  mov    %r14d,%esi
  mov    %r12,%rdi
  mov    $0x1,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    $0x10,%rbx
  jne    L44
  lea    D92(%rip),%rdi
  lea    0xb0(%rsp),%r12
  mov    $0x64,%r13d
  call   <puts@plt>
  mov    %r12,%rsi
  mov    $0x100,%edi
  call   <time_str@plt>
  mov    %r12,%rsi
  lea    D68(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  pxor   %xmm1,%xmm1
L8:
  mov    $0x64,%r14d
L84:
  mov    $0x64,%ebp
L15:
  mov    $0x64,%ebx
  nopl   0x0(%rax)
L31:
  movapd %xmm1,%xmm0
  xor    %edi,%edi
  movsd  %xmm1,(%rsp)
  call   <fgamma@plt>
  movsd  (%rsp),%xmm1
  addsd  %xmm0,%xmm1
  sub    $0x1,%ebx
  jne    L31
  sub    $0x1,%ebp
  jne    L15
  sub    $0x1,%r14d
  jne    L84
  sub    $0x1,%r13d
  jne    L8
  mov    %r12,%rsi
  mov    $0x100,%edi
  call   <time_str@plt>
  xor    %eax,%eax
  mov    %r12,%rsi
  lea    D42(%rip),%rdi
  call   <printf@plt>
  mov    0x1b8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L56
  add    $0x1c8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L56:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D85
datatype: string
name: parse_data
arguments: data_tag: D9
datatype: string
name: parse_data
arguments: data_tag: D46
datatype: string
name: parse_data
arguments: data_tag: D11
datatype: f64
name: parse_data
arguments: data_tag: D101
datatype: qword[2]
name: parse_data
arguments: data_tag: D0
datatype: string
name: parse_data
arguments: data_tag: D92
datatype: string
name: parse_data
arguments: data_tag: D68
datatype: string
name: parse_data
arguments: data_tag: D42
datatype: string

tool: D85: Testing FGamma using PyQuante by Richard Muller as references

tool: D9: m = %2d maxerr = %20.8E


tool: D46: Case 1: double fgamma(int m, double x);

tool: D11: 1000

tool: {"D101": [0x7fffffffffffffff,0x0000000000000000]}

tool: D0: Case 2: void fgamma_set(int max, double x);

tool: D92: Evaluate fgamma(0,...) 100,000,000 times

tool: D68: Start: %s


tool: D42: Done:  %s


assistant: ```c
int main(int argc, char *argv[]) {
  int m, i, j, k, l;
  double maxerr, err;
  double fset[20];
  char str[256];
  printf("Testing FGamma using PyQuante by Richard Muller as references\n");
  printf("Case 1: double fgamma(int m, double x);\n");
  for (m = 0; m <= 15; m++) {
    maxerr = 0.0;
    for (i = 0; i < 100000; i++) {
      err = fgamma_pyquante(m, i / 1000.) - fgamma(m, i / 1000.);
      err = fabs(err);
      if (err > maxerr)
        maxerr = err;
    }
    printf("m = %2d maxerr = %20.8E\n", m, maxerr);
  }
  printf("Case 2: void fgamma_set(int max, double x);\n");
  for (m = 0; m <= 15; m++) {
    maxerr = 0.0;
    for (i = 0; i < 100000; i++) {
      fgamma_set(19, i / 1000., fset);
      err = fgamma_pyquante(m, i / 1000.) - fset[m];
      err = fabs(err);
      if (err > maxerr)
        maxerr = err;
    }
    printf("m = %2d maxerr = %20.8E\n", m, maxerr);
  }
  printf("Evaluate fgamma(0,...) 100,000,000 times\n");
  time_str(256, str);
  printf("Start: %s\n", str);
  m = 100;
  err = 0.0;
  for (i = 0; i < m; i++)
    for (j = 0; j < m; j++)
      for (k = 0; k < m; k++)
        for (l = 0; l < m; l++) {
          err += fgamma(0, err);
        }
  time_str(256, str);
  printf("Done:  %s\n", str);
}
```