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

```asm
<newt_raph>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    $0xfffffff5,%r12d
  push   %rbp
  mov    $0xffffffeb,%ebp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x828,%rsp
  mov    %rdi,0x10(%rsp)
  mov    %edx,%edi
  lea    0x40(%rsp),%r13
  mov    %edx,0x28(%rsp)
  and    $0xfffffffe,%edi
  mov    %rsi,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  lea    -0x1(%rdx),%eax
  shr    %edx
  mov    %edi,0x2c(%rsp)
  sub    $0x1,%edx
  shl    $0x3,%rax
  add    $0x1,%rdx
  lea    0x48(%rsp,%rax,1),%rcx
  lea    0x8(%rsi,%rax,1),%rax
  shl    $0x4,%rdx
  mov    %rcx,0x20(%rsp)
  mov    %rdx,0x30(%rsp)
  mov    %rax,0x38(%rsp)
  xchg   %ax,%ax
L25:
  mov    0x28(%rsp),%r14d
  xor    %ecx,%ecx
  xor    %eax,%eax
  mov    0x8(%rsp),%rdi
  mov    0x10(%rsp),%r9
  mov    $0xffffffff,%r8d
  mov    %r13,%rsi
  mov    %r14d,%edx
  call   *%r9
  test   %r14d,%r14d
  jle    L64
  mov    0x20(%rsp),%r15
  mov    %r13,%r14
  pxor   %xmm1,%xmm1
  nopw   0x0(%rax,%rax,1)
L32:
  movsd  (%r14),%xmm0
  movsd  %xmm1,(%rsp)
  add    $0x8,%r14
  call   <fabs@plt>
  pxor   %xmm0,%xmm0
  movsd  (%rsp),%xmm1
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm1
  cmp    %r15,%r14
  jne    L32
  movsd  D9(%rip),%xmm0
  comisd %xmm1,%xmm0
  jae    L64
  lea    0x680(%rsp),%r11
  lea    0x4f0(%rsp),%r10
  mov    %r13,%rsi
  lea    0x360(%rsp),%r15
  sub    $0x8,%rsp
  mov    %r11,%r8
  mov    %r10,%rcx
  mov    0x30(%rsp),%r14d
  mov    %r15,%rdx
  push   %r14
  mov    0x20(%rsp),%r9
  mov    0x18(%rsp),%rdi
  mov    %r11,0x28(%rsp)
  mov    %r10,0x10(%rsp)
  call   <fdjac3@plt>
  pop    %rax
  xor    %eax,%eax
  pop    %rdx
  cmp    $0x1,%r14d
  mov    (%rsp),%r10
  mov    0x18(%rsp),%r11
  lea    0x1d0(%rsp),%r14
  je     L233
  mov    0x30(%rsp),%rdx
  nopl   0x0(%rax)
L80:
  movapd 0x0(%r13,%rax,1),%xmm0
  xorpd  D100(%rip),%xmm0
  movaps %xmm0,(%r14,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L80
  movslq 0x2c(%rsp),%rax
  mov    0x28(%rsp),%ecx
  cmp    %ecx,%eax
  je     L100
L233:
  movsd  0x40(%rsp,%rax,8),%xmm0
  xorpd  D116(%rip),%xmm0
  movsd  %xmm0,0x1d0(%rsp,%rax,8)
L100:
  mov    0x28(%rsp),%r8d
  mov    %r14,%rcx
  mov    %r15,%rdi
  mov    %r11,%rdx
  mov    %r10,%rsi
  call   <tridiag@plt>
  mov    %r13,0x18(%rsp)
  pxor   %xmm1,%xmm1
  mov    %r14,%r13
  mov    0x8(%rsp),%r15
  mov    0x38(%rsp),%r14
  jmp    L146
  nopw   0x0(%rax,%rax,1)
L116:
  movsd  (%r15),%xmm2
  movsd  D18(%rip),%xmm4
  comisd %xmm2,%xmm4
  jbe    L218
  comisd D113(%rip),%xmm2
  jbe    L218
  mulsd  D64(%rip),%xmm0
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%r15)
L40:
  add    $0x8,%r15
  add    $0x8,%r13
  cmp    %r14,%r15
  je     L163
  nopl   0x0(%rax,%rax,1)
L146:
  movsd  0x0(%r13),%xmm0
  movsd  %xmm1,(%rsp)
  call   <fabs@plt>
  pxor   %xmm0,%xmm0
  movsd  (%rsp),%xmm1
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm1
  cmp    $0x9,%r12d
  jbe    L135
  movsd  0x0(%r13),%xmm0
  cmp    $0x27,%ebp
  jbe    L174
  cmp    $0x3c,%ebx
  jg     L116
L218:
  movsd  (%r15),%xmm0
  addsd  0x0(%r13),%xmm0
  add    $0x8,%r15
  add    $0x8,%r13
  movsd  %xmm0,-0x8(%r15)
  cmp    %r14,%r15
  jne    L146
L163:
  movsd  D82(%rip),%xmm0
  mov    0x18(%rsp),%r13
  comisd %xmm1,%xmm0
  jae    L64
  add    $0x1,%ebx
  add    $0x1,%ebp
  add    $0x1,%r12d
  cmp    $0x96,%ebx
  jne    L25
  mov    $0x1,%eax
  jmp    L199
  xchg   %ax,%ax
L64:
  xor    %eax,%eax
L199:
  mov    0x818(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L39
  add    $0x828,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L39:
  call   <__stack_chk_fail@plt>
L174:
  movsd  (%r15),%xmm2
  movsd  D18(%rip),%xmm5
  comisd %xmm2,%xmm5
  jbe    L218
  comisd D113(%rip),%xmm2
  jbe    L218
  mulsd  D8(%rip),%xmm0
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%r15)
  jmp    L40
L135:
  movsd  (%r15),%xmm2
  movsd  D18(%rip),%xmm3
  movsd  0x0(%r13),%xmm0
  comisd %xmm2,%xmm3
  jbe    L218
  comisd D113(%rip),%xmm2
  jbe    L218
  mulsd  D78(%rip),%xmm0
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%r15)
  jmp    L40
```

tool_calls: name: parse_data
arguments: data_label: D9
type: byte[8]
name: parse_data
arguments: data_label: D100
type: f32[4]
name: parse_data
arguments: data_label: D116
type: f32[4]
name: parse_data
arguments: data_label: D18
type: f64
name: parse_data
arguments: data_label: D113
type: f32[4]
name: parse_data
arguments: data_label: D64
type: f64
name: parse_data
arguments: data_label: D82
type: byte[8]
name: parse_data
arguments: data_label: D8
type: f64
name: parse_data
arguments: data_label: D78
type: f64

tool: {"D9": [0x9a,0x99,0x99,0x99,0x99,0x99,0xb9,0x3f]}

tool: {"D100": [0.0,-0.0,0.0,-0.0]}

tool: {"D116": [0.0,-0.0,0.0,0.0]}

tool: D18: 2

tool: {"D113": [0.0,-2.3125,-107374184.0,1.8499999046325684]}

tool: D64: 0.2

tool: {"D82": [0x2d,0x43,0x1c,0xeb,0xe2,0x36,0x1a,0x3f]}

tool: D8: 0.7

tool: D78: 0.9

assistant: ```c
int newt_raph(void (*vecfunc)(double x[], double fvec[], int n, int init, ...), double x[], int n) {
  int k, i, index[50], Error;
  double errx, errf, d, fvec[50], fjac[50 * 50], p[50];
  double a[50], b[50], c[50];
  Error = 0;
  for (k = 0; k < 150; k++) {
    (*vecfunc)(x, fvec, n, 0, -1);
    errf = 0.0;
    for (i = 0; i < n; i++)
      errf += fabs(fvec[i]);
    if (errf <= 1e-1) {
      return (Error);
    }
    fdjac3(x, fvec, a, b, c, vecfunc, n);
    for (i = 0; i < n; i++)
      p[i] = -fvec[i];
    tridiag(a, b, c, p, n);
    errx = 0.0;
    for (i = 0; i < n; i++) {
      errx += fabs(p[i]);
      if (k > 10 && k <= 20 && x[i] < 2.0 && x[i] > -5.0)
        x[i] += p[i] * 0.9;
      else if (k > 20 && k <= 60 && x[i] < 2.0 && x[i] > -5.0)
        x[i] += p[i] * 0.7;
      else if (k > 60 && x[i] < 2.0 && x[i] > -5.0)
        x[i] += p[i] * 0.2;
      else
        x[i] += p[i];
    }
    if (errx <= 1e-4) {
      return (Error);
    }
  }
  Error = 1;
  return (Error);
}
```