user: What would the C source look like for the assembly code provided here:

```asm
<_fnum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  movsd  %xmm0,-0x78(%rbp)
  mov    %edx,%eax
  mov    %rcx,-0x90(%rbp)
  mov    %edi,%edx
  mov    %dl,-0x7c(%rbp)
  mov    %esi,%edx
  mov    %dl,-0x80(%rbp)
  mov    %al,-0x84(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  cmpb   $0x0,-0x7c(%rbp)
  jns    L621
  movb   $0x6,-0x7c(%rbp)
L621:
  movw   $0x0,-0x66(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x78(%rbp),%xmm0
  jbe    L298
  movsd  -0x78(%rbp),%xmm0
  movq   D0(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,-0x78(%rbp)
  movb   $0x1,-0x6a(%rbp)
  jmp    L262
L298:
  movb   $0x0,-0x6a(%rbp)
L262:
  movl   $0x0,-0x64(%rbp)
  lea    -0x60(%rbp),%rax
  add    $0x2,%rax
  lea    -0x64(%rbp),%rcx
  mov    -0x78(%rbp),%rdx
  mov    %rax,%rsi
  mov    %rcx,%rdi
  movq   %rdx,%xmm0
  mov    $0x1,%eax
  call   <_fbcd@plt>
  lea    -0x60(%rbp),%rbx
  add    $0x2,%rbx
  jmp    L601
L237:
  add    $0x1,%rbx
L601:
  movzbl (%rbx),%eax
  cmp    $0x30,%al
  je     L237
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L613
  sub    $0x1,%rbx
L613:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cmp    $0x1,%rax
  jbe    L575
  mov    %rbx,%rdi
  call   <strlen@plt>
  sub    $0x1,%rax
  lea    (%rbx,%rax,1),%r12
  jmp    L716
L121:
  mov    %r12,%rax
  lea    -0x1(%rax),%r12
  movb   $0x0,(%rax)
  mov    -0x64(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x64(%rbp)
L716:
  movzbl (%r12),%eax
  cmp    $0x30,%al
  je     L121
  jmp    L399
L575:
  movzbl (%rbx),%eax
  cmp    $0x30,%al
  jne    L399
  movl   $0x0,-0x64(%rbp)
L399:
  lea    -0x1(%rbx),%rax
  movb   $0x30,(%rax)
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %al,-0x6b(%rbp)
  cmpb   $0x0,-0x84(%rbp)
  jne    L33
  cmpb   $0x0,-0x7c(%rbp)
  je     L591
L33:
  cmpb   $0x1,-0x84(%rbp)
  jne    L600
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  js     L600
  movsbl -0x7c(%rbp),%eax
  lea    0x5(%rax),%edx
  mov    -0x64(%rbp),%eax
  cmp    %eax,%edx
  jl     L600
L591:
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jns    L22
  movsbq -0x6b(%rbp),%rdx
  mov    -0x64(%rbp),%eax
  cltq
  add    %rdx,%rax
  lea    (%rbx,%rax,1),%r12
  movzbl (%r12),%eax
  mov    %al,-0x67(%rbp)
  movb   $0x0,(%r12)
  cmpb   $0x34,-0x67(%rbp)
  jle    L519
L643:
  sub    $0x1,%r12
  mov    %r12,%rax
  movzbl (%rax),%edx
  add    $0x1,%edx
  mov    %dl,(%rax)
  movzbl (%rax),%eax
  cmp    $0x3a,%al
  jne    L248
  movb   $0x30,(%r12)
  jmp    L643
L248:
  nop
L519:
  cmp    %rbx,%r12
  jae    L294
  mov    %r12,%rbx
L294:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %al,-0x6b(%rbp)
  movl   $0x0,-0x64(%rbp)
L22:
  movsbw -0x6b(%rbp),%dx
  mov    -0x64(%rbp),%eax
  add    %eax,%edx
  movzbl -0x6a(%rbp),%eax
  add    %edx,%eax
  mov    %ax,-0x66(%rbp)
  movzwl -0x66(%rbp),%edx
  movzbl -0x80(%rbp),%eax
  sub    %edx,%eax
  mov    %al,-0x80(%rbp)
  jmp    L408
L510:
  mov    -0x90(%rbp),%rdx
  mov    $0x20,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x80(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x80(%rbp)
  movzwl -0x66(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x66(%rbp)
L408:
  cmpb   $0x0,-0x80(%rbp)
  jg     L510
  cmpb   $0x0,-0x6a(%rbp)
  je     L464
  mov    -0x90(%rbp),%rdx
  mov    $0x2d,%edi
  mov    $0x0,%eax
  call   *%rdx
  jmp    L464
L380:
  mov    %rbx,%rax
  lea    0x1(%rax),%rbx
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
L464:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L380
  jmp    L297
L331:
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x64(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x64(%rbp)
L297:
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jg     L331
  movswl -0x66(%rbp),%eax
  jmp    L168
L600:
  cmpb   $0x1,-0x84(%rbp)
  jne    L425
  mov    -0x64(%rbp),%eax
  cmp    $0x4,%eax
  jg     L420
L425:
  movsbl -0x6b(%rbp),%edx
  mov    -0x64(%rbp),%eax
  add    %edx,%eax
  cmp    $0xfffffffc,%eax
  jge    L151
L420:
  movzbl -0x84(%rbp),%eax
  add    $0x1,%eax
  mov    %al,-0x84(%rbp)
L151:
  cmpb   $0x1,-0x84(%rbp)
  jle    L135
  movzbl -0x6a(%rbp),%edx
  movsbw -0x7c(%rbp),%ax
  add    %edx,%eax
  add    $0x6,%eax
  mov    %ax,-0x66(%rbp)
  movzwl -0x66(%rbp),%edx
  movzbl -0x80(%rbp),%eax
  sub    %edx,%eax
  mov    %al,-0x80(%rbp)
  movsbl -0x6b(%rbp),%eax
  movsbl -0x7c(%rbp),%edx
  add    $0x1,%edx
  cmp    %edx,%eax
  jle    L238
  nop
L184:
  movsbq -0x7c(%rbp),%rax
  add    $0x1,%rax
  lea    (%rbx,%rax,1),%r12
  movsbl -0x6b(%rbp),%eax
  movsbl -0x7c(%rbp),%edx
  lea    0x1(%rdx),%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    -0x64(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x64(%rbp)
  movzbl (%r12),%eax
  mov    %al,-0x68(%rbp)
  movb   $0x0,(%r12)
  cmpb   $0x34,-0x68(%rbp)
  jle    L572
L255:
  sub    $0x1,%r12
  mov    %r12,%rax
  movzbl (%rax),%edx
  add    $0x1,%edx
  mov    %dl,(%rax)
  movzbl (%rax),%eax
  cmp    $0x3a,%al
  jne    L251
  movb   $0x30,(%r12)
  jmp    L255
L251:
  nop
L572:
  cmp    %rbx,%r12
  jae    L308
  mov    %r12,%rbx
L308:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %al,-0x6b(%rbp)
  movsbl -0x6b(%rbp),%eax
  movsbl -0x7c(%rbp),%edx
  add    $0x1,%edx
  cmp    %edx,%eax
  jle    L238
  jmp    L184
L238:
  movsbl -0x6b(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x64(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x64(%rbp)
  mov    -0x64(%rbp),%eax
  mov    %eax,%edx
  neg    %edx
  cmovns %edx,%eax
  cmp    $0x63,%eax
  jle    L372
  movzbl -0x80(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x80(%rbp)
L372:
  movzbl -0x7c(%rbp),%eax
  movzbl -0x6b(%rbp),%edx
  sub    %edx,%eax
  add    $0x1,%eax
  mov    %al,-0x7c(%rbp)
  jmp    L193
L215:
  mov    -0x90(%rbp),%rdx
  mov    $0x20,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x80(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x80(%rbp)
  movzwl -0x66(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x66(%rbp)
L193:
  cmpb   $0x0,-0x80(%rbp)
  jg     L215
  cmpb   $0x0,-0x6a(%rbp)
  je     L104
  mov    -0x90(%rbp),%rdx
  mov    $0x2d,%edi
  mov    $0x0,%eax
  call   *%rdx
L104:
  mov    %rbx,%rax
  lea    0x1(%rax),%rbx
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x90(%rbp),%rdx
  mov    $0x2e,%edi
  mov    $0x0,%eax
  call   *%rdx
  jmp    L172
L268:
  mov    %rbx,%rax
  lea    0x1(%rax),%rbx
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
L172:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L268
  jmp    L295
L603:
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x7c(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x7c(%rbp)
L295:
  cmpb   $0x0,-0x7c(%rbp)
  jg     L603
  mov    -0x90(%rbp),%rdx
  mov    $0x65,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jns    L93
  mov    -0x64(%rbp),%eax
  neg    %eax
  mov    %eax,-0x64(%rbp)
  mov    -0x90(%rbp),%rdx
  mov    $0x2d,%edi
  mov    $0x0,%eax
  call   *%rdx
  jmp    L418
L93:
  mov    -0x90(%rbp),%rdx
  mov    $0x2b,%edi
  mov    $0x0,%eax
  call   *%rdx
L418:
  mov    -0x64(%rbp),%eax
  cmp    $0x63,%eax
  jle    L392
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  add    $0x30,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x64(%rbp),%edx
  movslq %edx,%rax
  imul   $0x51eb851f,%rax,%rax
  shr    $0x20,%rax
  sar    $0x5,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  imul   $0x64,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x64(%rbp)
L392:
  mov    -0x64(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  add    $0x30,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x64(%rbp),%ecx
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %ecx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  lea    0x30(%rdx),%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
  movswl -0x66(%rbp),%eax
  jmp    L168
L135:
  movsbl -0x7c(%rbp),%edx
  mov    -0x64(%rbp),%eax
  add    %edx,%eax
  test   %eax,%eax
  jns    L695
  movsbq -0x6b(%rbp),%rdx
  mov    -0x64(%rbp),%eax
  cltq
  add    %rax,%rdx
  movsbq -0x7c(%rbp),%rax
  add    %rdx,%rax
  lea    (%rbx,%rax,1),%r12
  movzbl (%r12),%eax
  mov    %al,-0x69(%rbp)
  movb   $0x0,(%r12)
  cmpb   $0x34,-0x69(%rbp)
  jle    L409
L240:
  sub    $0x1,%r12
  mov    %r12,%rax
  movzbl (%rax),%edx
  add    $0x1,%edx
  mov    %dl,(%rax)
  movzbl (%rax),%eax
  cmp    $0x3a,%al
  jne    L81
  movb   $0x30,(%r12)
  jmp    L240
L81:
  nop
L409:
  cmp    %rbx,%r12
  jae    L671
  mov    %r12,%rbx
L671:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %al,-0x6b(%rbp)
  movsbl -0x7c(%rbp),%eax
  neg    %eax
  mov    %eax,-0x64(%rbp)
L695:
  mov    -0x64(%rbp),%eax
  mov    %eax,%edx
  movzbl -0x7c(%rbp),%eax
  add    %edx,%eax
  mov    %al,-0x7c(%rbp)
  movsbw -0x7c(%rbp),%dx
  movzbl -0x6a(%rbp),%eax
  add    %eax,%edx
  movsbw -0x6b(%rbp),%ax
  add    %edx,%eax
  add    $0x1,%eax
  mov    %ax,-0x66(%rbp)
  movzbl -0x6b(%rbp),%eax
  neg    %eax
  mov    %al,-0x6b(%rbp)
  movsbl -0x6b(%rbp),%edx
  mov    -0x64(%rbp),%eax
  cmp    %eax,%edx
  jl     L450
  movsbw -0x6b(%rbp),%ax
  mov    -0x64(%rbp),%edx
  mov    %edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  movzwl -0x66(%rbp),%eax
  add    %edx,%eax
  add    $0x1,%eax
  mov    %ax,-0x66(%rbp)
L450:
  movzbl -0x80(%rbp),%eax
  movzwl -0x66(%rbp),%edx
  sub    %edx,%eax
  mov    %al,-0x80(%rbp)
  jmp    L371
L223:
  mov    -0x90(%rbp),%rdx
  mov    $0x20,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x80(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x80(%rbp)
L371:
  cmpb   $0x0,-0x80(%rbp)
  jg     L223
  cmpb   $0x0,-0x6a(%rbp)
  je     L264
  mov    -0x90(%rbp),%rdx
  mov    $0x2d,%edi
  mov    $0x0,%eax
  call   *%rdx
L264:
  movsbl -0x6b(%rbp),%edx
  mov    -0x64(%rbp),%eax
  cmp    %eax,%edx
  jl     L230
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x90(%rbp),%rdx
  mov    $0x2e,%edi
  mov    $0x0,%eax
  call   *%rdx
  jmp    L361
L619:
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  mov    -0x64(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x64(%rbp)
L361:
  movsbl -0x6b(%rbp),%edx
  mov    -0x64(%rbp),%eax
  cmp    %eax,%edx
  jg     L619
  jmp    L230
L5:
  mov    %rbx,%rax
  lea    0x1(%rax),%rbx
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x90(%rbp),%rdx
  mov    %eax,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x6b(%rbp),%eax
  add    $0x1,%eax
  mov    %al,-0x6b(%rbp)
  movsbl -0x6b(%rbp),%edx
  mov    -0x64(%rbp),%eax
  cmp    %eax,%edx
  jne    L230
  mov    -0x90(%rbp),%rdx
  mov    $0x2e,%edi
  mov    $0x0,%eax
  call   *%rdx
L230:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L5
  jmp    L211
L455:
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x7c(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x7c(%rbp)
  mov    -0x64(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x64(%rbp)
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jne    L211
  mov    -0x90(%rbp),%rdx
  mov    $0x2e,%edi
  mov    $0x0,%eax
  call   *%rdx
L211:
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jg     L455
  jmp    L214
L557:
  mov    -0x90(%rbp),%rdx
  mov    $0x30,%edi
  mov    $0x0,%eax
  call   *%rdx
  movzbl -0x7c(%rbp),%eax
  sub    $0x1,%eax
  mov    %al,-0x7c(%rbp)
L214:
  cmpb   $0x0,-0x7c(%rbp)
  jg     L557
  movswl -0x66(%rbp),%eax
L168:
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L304
  call   <__stack_chk_fail@plt>
L304:
  sub    $0xffffffffffffff80,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: tag: D0
type: f32[2]

tool: {"D0": [0.0,-0.0]}

assistant: ```c
_fnum(val, prec, width, efmt, pputc) double val;
char width, prec, efmt;
void (*pputc)();
{
  register char *cp, *xp;
  int exp;
  char digs;
  short twid;
  unsigned char sign;
  char xbuf[60];
  if (prec < 0)
    prec = 6;
  twid = 0;
  if (val < 0.0) {
    val = -val;
    sign = 1;
  } else
    sign = 0;
  exp = 0;
  _fbcd(val, &exp, (xbuf + 2));
  cp = (xbuf + 2);
  while (*cp == '0')
    cp++;
  if (*cp == 0)
    cp--;
  if (strlen(cp) > 1) {
    xp = cp + strlen(cp) - 1;
    while (*xp == '0') {
      *xp-- = 0;
      exp++;
    }
  } else if (*cp == '0')
    exp = 0;
  cp[-1] = '0';
  digs = strlen(cp);
  if (efmt == 0 && prec == 0 || efmt == 1 && exp >= 0 && exp <= 5 + prec) {
    if (exp < 0) {
      char c;
      xp = cp + digs + exp;
      c = *xp;
      *xp = 0;
      if (c >= '5')
        for (;;)
          if ((*--xp += 1) == '9' + 1)
            *xp = '0';
          else
            break;
      if (xp < cp)
        cp = xp;
      digs = strlen(cp);
      exp = 0;
    }
    width -= (twid = digs + exp + sign);
    while (width > 0) {
      (*pputc)(' ');
      width--;
      twid++;
    }
    if (sign)
      (*pputc)('-');
    while (*cp)
      (*pputc)(*cp++);
    while (exp > 0) {
      (*pputc)('0');
      exp--;
    }
    return twid;
  }
  if (efmt == 1 && exp >= 5 || exp + digs < -4)
    efmt++;
  if (efmt >= 2) {
    width -= (twid = sign + prec + 6);
    if (digs > prec + 1) {
      char c;
    loop:
      xp = cp + prec + 1;
      exp += digs - (prec + 1);
      c = *xp;
      *xp = 0;
      if (c >= '5')
        for (;;)
          if ((*--xp += 1) == '9' + 1)
            *xp = '0';
          else
            break;
      if (xp < cp)
        cp = xp;
      digs = strlen(cp);
      if (digs > prec + 1)
        goto loop;
    }
    exp += digs - 1;
    if (abs(exp) >= 100)
      width--;
    prec -= digs - 1;
    while (width > 0) {
      (*pputc)(' ');
      width--;
      twid++;
    }
    if (sign)
      (*pputc)('-');
    (*pputc)(*cp++);
    (*pputc)('.');
    while (*cp)
      (*pputc)(*cp++);
    while (prec > 0) {
      (*pputc)('0');
      prec--;
    }
    (*pputc)('e');
    if (exp < 0) {
      exp = -exp;
      (*pputc)('-');
    } else
      (*pputc)('+');
    if (exp >= 100) {
      (*pputc)(exp / 100 + '0');
      exp %= 100;
    }
    (*pputc)(exp / 10 + '0');
    (*pputc)(exp % 10 + '0');
    return twid;
  }
  if (exp + prec < 0) {
    char c;
    xp = cp + digs + exp + prec;
    c = *xp;
    *xp = 0;
    if (c >= '5')
      for (;;)
        if ((*--xp += 1) == '9' + 1)
          *xp = '0';
        else
          break;
    if (xp < cp)
      cp = xp;
    digs = strlen(cp);
    exp = -prec;
  }
  prec += exp;
  twid = 1 + prec + sign + digs;
  digs = -digs;
  if (exp <= digs)
    twid += digs - exp + 1;
  width -= twid;
  while (width > 0) {
    (*pputc)(' ');
    width--;
  }
  if (sign)
    (*pputc)('-');
  if (exp <= digs) {
    (*pputc)('0');
    (*pputc)('.');
    while (exp < digs) {
      (*pputc)('0');
      exp++;
    }
  }
  while (*cp) {
    (*pputc)(*cp++);
    if (++digs == exp)
      (*pputc)('.');
  }
  while (exp > 0) {
    (*pputc)('0');
    prec--;
    if (--exp == 0)
      (*pputc)('.');
  }
  while (prec > 0) {
    (*pputc)('0');
    prec--;
  }
  return twid;
}
```