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

```asm
<mv_vonmises_lossFunction>:
  endbr64
  push   %r15
  mov    %rdx,%r15
  mov    %esi,%edx
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xd0,%rsp
  mov    %r8,0x50(%rsp)
  mov    %r9,0x58(%rsp)
  mov    $0x6e,%r9d
  mov    %edi,0x4c(%rsp)
  mov    %esi,0x6c(%rsp)
  push   0x108(%rsp)
  push   %rcx
  mov    %esi,%ecx
  push   %r8
  mov    $0x6e,%r8d
  call   <generalMatrixMatrix@plt>
  add    $0x20,%rsp
  cmpq   $0x0,0x110(%rsp)
  je     L51
  cmpq   $0x0,0x108(%rsp)
  jne    L222
L51:
  movslq 0x64(%rsp),%rax
  test   %eax,%eax
  jle    L128
  fldz
  mov    %rax,0x30(%rsp)
  mov    %rax,%r14
  movq   $0x0,0x20(%rsp)
  shl    $0x4,%r14
  fstpt  (%rsp)
  xchg   %ax,%ax
L78:
  mov    0x44(%rsp),%eax
  test   %eax,%eax
  jle    L220
  mov    0x20(%rsp),%rbp
  mov    0x100(%rsp),%rbx
  xor    %r12d,%r12d
  mov    0x50(%rsp),%rax
  movsd  (%r15),%xmm0
  shl    $0x4,%rbp
  add    %rbp,%rbx
  lea    (%rax,%rbp,1),%r13
  add    0x48(%rsp),%rbp
  jmp    L42
  nopl   0x0(%rax,%rax,1)
L95:
  sub    $0x10,%rsp
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x20(%rsp)
  call   <bessi0_spd_exponScaled@plt>
  pop    %r8
  pop    %r9
  fldt   0x10(%rsp)
L26:
  fstpt  0x10(%rsp)
  sub    $0x10,%rsp
  add    $0x1,%r12d
  fstpt  (%rsp)
  call   <logl@plt>
  fldt   0x20(%rsp)
  movsd  (%r15),%xmm0
  movsd  %xmm0,0x20(%rsp)
  faddp  %st,%st(1)
  fldt   0x0(%r13)
  fldl   0x20(%rsp)
  add    %r14,%r13
  fmulp  %st,%st(1)
  fsubrp %st,%st(1)
  fldt   0x0(%rbp)
  add    %r14,%rbp
  fldt   (%rbx)
  add    %r14,%rbx
  fmulp  %st,%st(1)
  fsubrp %st,%st(1)
  fldt   0x10(%rsp)
  faddp  %st,%st(1)
  fstpt  0x10(%rsp)
  pop    %rdx
  pop    %rcx
  cmp    %r12d,0x44(%rsp)
  je     L220
L42:
  mulsd  %xmm0,%xmm0
  fldt   (%rbx)
  fmul   %st(0),%st
  movsd  %xmm0,0x10(%rsp)
  faddl  0x10(%rsp)
  fstpl  0x10(%rsp)
  movsd  0x10(%rsp),%xmm0
  call   <sqrtl@plt>
  fldl   0xc99(%rip)        # 2000 <_fini+0x844>
  fcomip %st(1),%st
  ja     L95
  sub    $0x10,%rsp
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x20(%rsp)
  call   <bessi0_salahat_exponScaled@plt>
  pop    %rsi
  pop    %rdi
  fldt   0x10(%rsp)
  jmp    L26
  nopl   0x0(%rax)
L220:
  addq   $0x1,0x20(%rsp)
  add    $0x8,%r15
  mov    0x20(%rsp),%rax
  cmp    0x30(%rsp),%rax
  jne    L78
L145:
  fldt   (%rsp)
  add    $0xc8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L222:
  mov    0x64(%rsp),%ebx
  mov    0x110(%rsp),%rdi
  xor    %esi,%esi
  movslq %ebx,%r12
  mov    %ebx,%edx
  imul   %r12d,%edx
  shl    $0x3,%edx
  call   <memset@plt>
  mov    0x108(%rsp),%rdi
  lea    0x0(,%rbx,8),%edx
  xor    %esi,%esi
  call   <memset@plt>
  mov    %ebx,%eax
  test   %ebx,%ebx
  jle    L128
  sub    $0x1,%eax
  fldz
  lea    -0x2(%rbx),%ecx
  xor    %r13d,%r13d
  shl    $0x4,%rax
  fstpt  (%rsp)
  mov    %rax,0xa8(%rsp)
  mov    %r12,%rax
  shl    $0x4,%rax
  mov    %ecx,0x98(%rsp)
  lea    0x1(%r12),%rcx
  shl    $0x3,%r12
  mov    %rax,0x68(%rsp)
  mov    %r12,%rbp
  mov    0x110(%rsp),%rax
  mov    %rcx,0xb0(%rsp)
  movq   $0x0,0x90(%rsp)
  add    %r12,%rax
  mov    %r13,%r12
  mov    %rax,0xb8(%rsp)
  movq   $0x0,0xa0(%rsp)
  movl   $0x0,0x9c(%rsp)
  movq   $0x1,0x58(%rsp)
  nopl   0x0(%rax)
L5:
  mov    0x44(%rsp),%r10d
  test   %r10d,%r10d
  jle    L179
  mov    0x58(%rsp),%rdi
  mov    0x48(%rsp),%rsi
  movl   $0x0,0x10(%rsp)
  movslq 0x9c(%rsp),%rdx
  lea    -0x2(%rdi),%ecx
  lea    0x10(%rsi),%rax
  shl    $0x4,%rcx
  mov    %rax,0x78(%rsp)
  lea    (%rcx,%rax,1),%r14
  mov    0x110(%rsp),%rax
  mov    0x110(%rsp),%rcx
  lea    (%rax,%r12,8),%rax
  mov    %rax,0x80(%rsp)
  lea    (%rdx,%rdi,1),%rax
  lea    (%rcx,%rax,8),%rax
  mov    %rax,0x70(%rsp)
  mov    0x98(%rsp),%eax
  add    %rdx,%rax
  add    %r12,%rax
  lea    0x10(%rcx,%rax,8),%rbx
  mov    0x90(%rsp),%rax
  mov    %rbx,%r13
  sub    %rax,%rsi
  mov    %rax,%rcx
  mov    %r12,%rax
  mov    %rbp,%r12
  mov    %rsi,0x88(%rsp)
  mov    %r14,%rbp
  mov    %rcx,%rbx
  mov    %rax,%r14
  nopw   0x0(%rax,%rax,1)
L89:
  movsd  (%r15,%r14,8),%xmm0
  mov    0x100(%rsp),%rax
  mulsd  %xmm0,%xmm0
  fldt   (%rax,%rbx,1)
  fmul   %st(0),%st
  movsd  %xmm0,0x20(%rsp)
  faddl  0x20(%rsp)
  fstpl  0x20(%rsp)
  movsd  0x20(%rsp),%xmm0
  call   <sqrtl@plt>
  fldl   0xa9a(%rip)        # 2000 <_fini+0x844>
  fcomip %st(1),%st
  jbe    L61
  sub    $0x10,%rsp
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x30(%rsp)
  call   <bessi0_spd_exponScaled@plt>
  sub    $0x10,%rsp
  fstpt  0x50(%rsp)
  fldt   0x40(%rsp)
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x40(%rsp)
  call   <bessi1_spd_exponScaled@plt>
  fldt   0x40(%rsp)
  add    $0x20,%rsp
  fldt   0x30(%rsp)
L190:
  fld    %st(1)
  sub    $0x10,%rsp
  fstpt  0x40(%rsp)
  fmul   %st,%st(1)
  fxch   %st(2)
  fdivp  %st,%st(1)
  fstpt  0x30(%rsp)
  fstpt  (%rsp)
  call   <logl@plt>
  mov    0x60(%rsp),%rax
  fldt   (%rax,%rbx,1)
  mov    0x58(%rsp),%rax
  fldl   (%r15,%r14,8)
  fldt   (%rax,%rbx,1)
  mov    0x110(%rsp),%rax
  fldt   (%rax,%rbx,1)
  mov    0x118(%rsp),%rax
  fldt   0x40(%rsp)
  faddp  %st,%st(5)
  fld    %st(3)
  fmul   %st(3),%st
  fsubrp %st,%st(5)
  fld    %st(1)
  fmul   %st(1),%st
  fsubrp %st,%st(5)
  fldt   0x10(%rsp)
  faddp  %st,%st(5)
  fxch   %st(4)
  fstpt  0x10(%rsp)
  fldt   0x30(%rsp)
  fmul   %st,%st(2)
  fxch   %st(2)
  fsubp  %st,%st(3)
  fxch   %st(2)
  faddl  (%rax,%r14,8)
  fstpl  (%rax,%r14,8)
  pop    %r11
  pop    %rax
  test   %r14,%r14
  je     L22
  fld    %st(2)
  mov    0x88(%rsp),%rax
  fmul   %st(1),%st
  lea    (%rax,%rbx,1),%rdx
  mov    0x80(%rsp),%rax
  fsub   %st(2),%st
  nopl   (%rax)
L108:
  fldt   (%rdx)
  add    $0x10,%rdx
  fmul   %st(1),%st
  faddl  (%rax)
  fstpl  (%rax)
  add    %r12,%rax
  cmp    %rdx,%rbp
  jne    L108
  fstp   %st(0)
L22:
  mov    0x58(%rsp),%edi
  cmp    %edi,0x64(%rsp)
  jle    L125
  fmulp  %st,%st(2)
  mov    0x78(%rsp),%rax
  lea    (%rax,%rbx,1),%rdx
  mov    0x70(%rsp),%rax
  fsubrp %st,%st(1)
  nopw   0x0(%rax,%rax,1)
L117:
  fldt   (%rdx)
  add    $0x8,%rax
  add    $0x10,%rdx
  fmul   %st(1),%st
  faddl  -0x8(%rax)
  fstpl  -0x8(%rax)
  cmp    %rax,%r13
  jne    L117
  fstp   %st(0)
  jmp    L130
  nopl   0x0(%rax,%rax,1)
L125:
  fstp   %st(0)
  fstp   %st(0)
  fstp   %st(0)
  xchg   %ax,%ax
L130:
  mov    0x68(%rsp),%rsi
  addl   $0x1,0x10(%rsp)
  mov    0x10(%rsp),%eax
  add    %rsi,%rbp
  add    %rsi,%rbx
  cmp    %eax,0x44(%rsp)
  jne    L89
  mov    %r12,%rbp
  mov    %r14,%r12
L179:
  mov    0xa8(%rsp),%rcx
  cmp    %rcx,0x90(%rsp)
  je     L145
  mov    0xa0(%rsp),%rsi
  mov    0x98(%rsp),%ecx
  mov    0x110(%rsp),%rax
  mov    0x110(%rsp),%rdi
  lea    0x0(,%rsi,8),%rdx
  add    %rsi,%rcx
  lea    0x8(%rax,%rdx,1),%rax
  lea    0x10(%rdi,%rcx,8),%rcx
  add    0xb8(%rsp),%rdx
  cs nopw 0x0(%rax,%rax,1)
L86:
  movsd  (%rax),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx)
  add    %rbp,%rdx
  cmp    %rax,%rcx
  jne    L86
  mov    0x64(%rsp),%ecx
  addq   $0x1,0x58(%rsp)
  add    $0x1,%r12
  add    %ecx,0x9c(%rsp)
  mov    0xb0(%rsp),%rcx
  subl   $0x1,0x98(%rsp)
  add    %rcx,0xa0(%rsp)
  addq   $0x10,0x90(%rsp)
  jmp    L5
  nop
L61:
  sub    $0x10,%rsp
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x30(%rsp)
  call   <bessi0_salahat_exponScaled@plt>
  sub    $0x10,%rsp
  fstpt  0x50(%rsp)
  fldt   0x40(%rsp)
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  0x40(%rsp)
  call   <bessi1_salahat_exponScaled@plt>
  fldt   0x50(%rsp)
  add    $0x20,%rsp
  fldt   0x20(%rsp)
  fxch   %st(1)
  jmp    L190
L128:
  fldz
  fstpt  (%rsp)
  jmp    L145
```

assistant: ```c
long double mv_vonmises_lossFunction(int n, int p, double *kappa, double *lambda, long double *S, long double *C, long double *ro, double *d_kappa, double *d_lambda) {
  int i, j, s;
  long double fx;
  long double k_i_j;
  long double bes_kij;
  long double bes1_kij;
  long double a_kij;
  generalMatrixMatrix(n, p, p, p, 'n', 'n', S, lambda, ro);
  fx = 0;
  if (d_lambda != NULL && d_kappa != NULL) {
    memset(d_lambda, 0, sizeof(double) * p * p);
    memset(d_kappa, 0, sizeof(double) * p);
    for (j = 0; j < p; j++) {
      for (i = 0; i < n; i++) {
        k_i_j = sqrtl((kappa[j] * kappa[j]) + (ro[i * p + j] * ro[i * p + j]));
        bes_kij = (k_i_j) < (1E31) ? (bessi0_spd_exponScaled(k_i_j)) : (bessi0_salahat_exponScaled(k_i_j));
        a_kij = (((k_i_j) < (1E31) ? (bessi1_spd_exponScaled(k_i_j)) : (bessi1_salahat_exponScaled(k_i_j))) / (bes_kij * k_i_j));
        fx += (k_i_j + logl(bes_kij)) - (C[i * p + j] * kappa[j]) - (S[i * p + j] * ro[i * p + j]);
        d_kappa[j] += a_kij * kappa[j] - C[i * p + j];
        for (s = 0; s < j; s++)
          d_lambda[s * p + j] += S[i * p + s] * (a_kij * ro[i * p + j] - S[i * p + j]);
        for (s = j + 1; s < p; s++)
          d_lambda[j * p + s] += S[i * p + s] * (a_kij * ro[i * p + j] - S[i * p + j]);
      }
      for (s = j + 1; s < p; s++) {
        d_lambda[s * p + j] = d_lambda[j * p + s];
      }
    }
  } else {
    for (j = 0; j < p; j++) {
      for (i = 0; i < n; i++) {
        k_i_j = sqrtl((kappa[j] * kappa[j]) + (ro[i * p + j] * ro[i * p + j]));
        bes_kij = (k_i_j) < (1E31) ? (bessi0_spd_exponScaled(k_i_j)) : (bessi0_salahat_exponScaled(k_i_j));
        fx += (k_i_j + logl(bes_kij)) - (C[i * p + j] * kappa[j]) - (S[i * p + j] * ro[i * p + j]);
      }
    }
  }
  return (fx);
}
```