user: Translate the below assembly code into C programming language:

```asm
<target_phi>:
  endbr64
  push   %rbx
  pxor   %xmm0,%xmm0
  mov    %rsi,%rbx
  sub    $0xa0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  movaps %xmm0,0x70(%rsp)
  test   %edx,%edx
  jle    L63
  movss  D427(%rip),%xmm5
  cmp    $0x1,%edx
  je     L36
  movss  %xmm5,0x74(%rsp)
  cmp    $0x2,%edx
  je     L36
  movl   $0x3d638e39,0x78(%rsp)
  cmp    $0x3,%edx
  je     L36
  movl   $0x3d638afd,0x7c(%rsp)
L36:
  movss  0x74(%rsp),%xmm7
  movss  0x7c(%rsp),%xmm0
  pxor   %xmm10,%xmm10
  movss  0x78(%rsp),%xmm8
L54:
  movss  0x8(%rdi),%xmm3
  subss  D317(%rip),%xmm3
  movss  D56(%rip),%xmm1
  movss  0x4(%rdi),%xmm2
  movss  (%rdi),%xmm4
  movss  D289(%rip),%xmm6
  mulss  %xmm8,%xmm3
  subss  %xmm1,%xmm2
  movss  D26(%rip),%xmm14
  movss  D367(%rip),%xmm13
  subss  %xmm1,%xmm4
  movss  0xc(%rdi),%xmm1
  subss  D206(%rip),%xmm1
  movss  D21(%rip),%xmm15
  mulss  0x8(%rbx),%xmm8
  mulss  %xmm7,%xmm2
  mulss  %xmm5,%xmm4
  addss  %xmm6,%xmm3
  mulss  %xmm0,%xmm1
  mulss  0xc(%rbx),%xmm0
  mulss  (%rbx),%xmm5
  mulss  %xmm3,%xmm14
  addss  %xmm6,%xmm2
  addss  %xmm6,%xmm4
  mulss  0x4(%rbx),%xmm7
  addss  %xmm6,%xmm1
  movaps %xmm3,%xmm6
  movss  %xmm0,0x1c(%rsp)
  mulss  %xmm3,%xmm6
  movaps %xmm2,%xmm12
  movss  D489(%rip),%xmm0
  mulss  %xmm4,%xmm13
  mulss  %xmm2,%xmm0
  movss  %xmm14,0x8(%rsp)
  movaps %xmm4,%xmm14
  movaps %xmm1,%xmm9
  mulss  %xmm4,%xmm14
  movaps %xmm1,%xmm11
  mulss  %xmm4,%xmm15
  mulss  %xmm2,%xmm12
  movss  %xmm13,0xc(%rsp)
  mulss  %xmm1,%xmm9
  movss  D216(%rip),%xmm13
  movss  %xmm0,(%rsp)
  movss  D36(%rip),%xmm0
  mulss  %xmm4,%xmm13
  mulss  %xmm14,%xmm0
  movss  %xmm15,0x4(%rsp)
  movss  D308(%rip),%xmm15
  mulss  %xmm2,%xmm15
  mulss  %xmm9,%xmm11
  mulss  %xmm12,%xmm13
  movaps %xmm0,%xmm14
  movss  %xmm0,0x2c(%rsp)
  movss  D404(%rip),%xmm0
  mulss  %xmm2,%xmm14
  mulss  %xmm4,%xmm0
  movss  %xmm15,0x24(%rsp)
  mulss  %xmm3,%xmm15
  movss  %xmm11,0x20(%rsp)
  movss  D245(%rip),%xmm11
  movss  %xmm13,0x10(%rsp)
  movaps %xmm3,%xmm13
  mulss  %xmm6,%xmm13
  movss  %xmm14,0x30(%rsp)
  mulss  %xmm4,%xmm11
  mulss  %xmm6,%xmm0
  movss  %xmm15,0x28(%rsp)
  mulss  %xmm1,%xmm15
  mulss  %xmm3,%xmm14
  movss  %xmm0,0x14(%rsp)
  movss  D181(%rip),%xmm0
  mulss  D256(%rip),%xmm13
  mulss  %xmm3,%xmm0
  movss  %xmm13,0x18(%rsp)
  movss  D296(%rip),%xmm13
  mulss  %xmm4,%xmm13
  addss  D406(%rip),%xmm13
  addss  %xmm13,%xmm0
  movaps %xmm11,%xmm13
  mulss  %xmm2,%xmm13
  addss  %xmm0,%xmm13
  movss  (%rsp),%xmm0
  mulss  %xmm3,%xmm0
  addss  %xmm13,%xmm0
  movss  0x4(%rsp),%xmm13
  mulss  %xmm1,%xmm13
  addss  %xmm0,%xmm13
  movss  0x8(%rsp),%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm13,%xmm0
  movss  D277(%rip),%xmm13
  mulss  %xmm2,%xmm13
  addss  %xmm0,%xmm13
  movss  D2(%rip),%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm13,%xmm0
  movaps %xmm15,%xmm13
  movss  D154(%rip),%xmm15
  mulss  %xmm3,%xmm15
  addss  %xmm0,%xmm13
  movaps %xmm15,%xmm0
  mulss  %xmm9,%xmm0
  addss  %xmm13,%xmm0
  movaps %xmm14,%xmm13
  addss  %xmm0,%xmm13
  movss  0xc(%rsp),%xmm0
  mulss  %xmm2,%xmm0
  mulss  %xmm6,%xmm0
  addss  %xmm13,%xmm0
  movss  0x10(%rsp),%xmm13
  mulss  %xmm1,%xmm13
  addss  %xmm0,%xmm13
  movss  0x14(%rsp),%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm13,%xmm0
  movss  0x18(%rsp),%xmm13
  mulss  %xmm1,%xmm13
  addss  %xmm13,%xmm0
  movss  D196(%rip),%xmm13
  mulss  %xmm4,%xmm13
  movaps %xmm13,%xmm14
  mulss  %xmm2,%xmm14
  mulss  %xmm9,%xmm14
  addss  %xmm0,%xmm14
  movss  D482(%rip),%xmm0
  mulss  %xmm3,%xmm0
  mulss  0x20(%rsp),%xmm0
  addss  %xmm14,%xmm0
  movss  D54(%rip),%xmm14
  mulss  %xmm2,%xmm14
  mulss  %xmm6,%xmm14
  addss  %xmm14,%xmm0
  movss  D192(%rip),%xmm14
  mulss  %xmm4,%xmm14
  movaps %xmm14,%xmm15
  mulss  %xmm2,%xmm15
  movss  %xmm15,0x34(%rsp)
  mulss  %xmm1,%xmm15
  addss  %xmm0,%xmm15
  movaps %xmm5,%xmm0
  addss  %xmm10,%xmm0
  addss  %xmm7,%xmm0
  addss  %xmm8,%xmm0
  addss  0x1c(%rsp),%xmm0
  ucomiss %xmm10,%xmm0
  jp     L75
  movaps %xmm10,%xmm0
  jne    L75
L25:
  movss  %xmm0,(%rbx)
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0xa0,%rsp
  movaps %xmm15,%xmm0
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L75:
  movss  %xmm7,0x3c(%rsp)
  mulss  %xmm5,%xmm5
  movss  D245(%rip),%xmm7
  movss  D21(%rip),%xmm0
  mulss  D216(%rip),%xmm12
  mov    $0x2,%edi
  movss  %xmm15,0x6c(%rsp)
  mulss  %xmm2,%xmm7
  movss  %xmm8,0x68(%rsp)
  mulss  %xmm1,%xmm0
  movss  %xmm10,0x58(%rsp)
  movss  %xmm14,0x64(%rsp)
  movss  %xmm5,0x38(%rsp)
  mulss  %xmm1,%xmm12
  movss  %xmm13,0x60(%rsp)
  movaps %xmm7,%xmm5
  movaps %xmm4,%xmm7
  subss  D100(%rip),%xmm5
  movss  %xmm11,0x54(%rsp)
  mulss  D403(%rip),%xmm7
  movss  %xmm4,0x5c(%rsp)
  movss  %xmm3,0x50(%rsp)
  addss  %xmm5,%xmm0
  movss  %xmm6,0x4c(%rsp)
  movss  %xmm9,0x48(%rsp)
  movss  %xmm2,0x44(%rsp)
  movaps %xmm7,%xmm5
  movss  D404(%rip),%xmm7
  movss  %xmm1,0x40(%rsp)
  mulss  %xmm2,%xmm5
  mulss  %xmm6,%xmm7
  mulss  %xmm3,%xmm5
  addss  %xmm0,%xmm5
  movss  D367(%rip),%xmm0
  mulss  %xmm2,%xmm0
  mulss  %xmm6,%xmm0
  addss  %xmm5,%xmm0
  movaps %xmm7,%xmm5
  movss  D192(%rip),%xmm7
  mulss  %xmm1,%xmm5
  mulss  %xmm2,%xmm7
  addss  %xmm0,%xmm12
  movss  D196(%rip),%xmm0
  mulss  %xmm2,%xmm0
  addss  %xmm12,%xmm5
  mulss  %xmm9,%xmm0
  addss  %xmm5,%xmm0
  movaps %xmm7,%xmm5
  mulss  %xmm1,%xmm5
  addss  %xmm5,%xmm0
  call   <pow@plt>
  movss  0x50(%rsp),%xmm3
  movss  D489(%rip),%xmm4
  mov    $0x2,%edi
  movss  0x58(%rsp),%xmm10
  movss  0x54(%rsp),%xmm11
  mulss  %xmm3,%xmm4
  movss  0x40(%rsp),%xmm1
  movss  0x2c(%rsp),%xmm5
  movss  %xmm3,0x54(%rsp)
  addss  %xmm10,%xmm11
  mulss  0x38(%rsp),%xmm0
  movss  0x4c(%rsp),%xmm6
  mulss  %xmm3,%xmm5
  movss  0x44(%rsp),%xmm2
  movss  0x48(%rsp),%xmm9
  movss  0x60(%rsp),%xmm13
  movss  0x64(%rsp),%xmm14
  movss  %xmm6,0x44(%rsp)
  movss  0x3c(%rsp),%xmm7
  movss  %xmm2,0x50(%rsp)
  addss  %xmm4,%xmm11
  movss  D308(%rip),%xmm4
  mulss  %xmm9,%xmm13
  subss  D84(%rip),%xmm11
  movss  %xmm0,0x38(%rsp)
  mulss  %xmm1,%xmm14
  mulss  %xmm3,%xmm4
  movaps %xmm2,%xmm3
  mulss  D170(%rip),%xmm3
  mulss  %xmm7,%xmm7
  movaps %xmm4,%xmm0
  movss  0x5c(%rsp),%xmm4
  mulss  %xmm1,%xmm0
  movss  %xmm7,0x3c(%rsp)
  movss  %xmm4,0x4c(%rsp)
  addss  %xmm11,%xmm0
  addss  %xmm5,%xmm0
  movss  0xc(%rsp),%xmm5
  mulss  %xmm6,%xmm5
  addss  %xmm0,%xmm5
  movaps %xmm3,%xmm0
  mulss  %xmm4,%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm5,%xmm0
  movss  D54(%rip),%xmm5
  mulss  %xmm6,%xmm5
  addss  %xmm0,%xmm13
  addss  %xmm13,%xmm5
  addss  %xmm14,%xmm5
  movaps %xmm5,%xmm0
  call   <pow@plt>
  mulss  0x3c(%rsp),%xmm0
  movss  0x38(%rsp),%xmm6
  mov    $0x2,%edi
  movss  0x40(%rsp),%xmm1
  movss  D181(%rip),%xmm5
  addss  (%rsp),%xmm5
  movss  0x48(%rsp),%xmm9
  movss  0x54(%rsp),%xmm3
  movss  0x4c(%rsp),%xmm4
  movss  0x50(%rsp),%xmm2
  movss  0x68(%rsp),%xmm8
  movss  %xmm9,0x3c(%rsp)
  addss  %xmm0,%xmm6
  movss  D26(%rip),%xmm0
  movss  %xmm4,0x38(%rsp)
  mulss  %xmm8,%xmm8
  mulss  %xmm1,%xmm0
  movss  %xmm6,0xc(%rsp)
  movss  0x44(%rsp),%xmm6
  mulss  D237(%rip),%xmm6
  movss  %xmm8,0x2c(%rsp)
  addss  %xmm5,%xmm0
  movss  0x24(%rsp),%xmm5
  movss  %xmm3,0x24(%rsp)
  mulss  %xmm1,%xmm6
  mulss  %xmm1,%xmm5
  addss  %xmm5,%xmm0
  movss  D154(%rip),%xmm5
  mulss  %xmm9,%xmm5
  addss  %xmm0,%xmm5
  movss  0x30(%rsp),%xmm0
  movss  %xmm1,0x30(%rsp)
  addss  %xmm5,%xmm0
  movss  D411(%rip),%xmm5
  mulss  %xmm3,%xmm5
  mulss  %xmm4,%xmm5
  mulss  %xmm2,%xmm5
  addss  %xmm0,%xmm5
  movss  D285(%rip),%xmm0
  mulss  %xmm3,%xmm0
  mulss  %xmm4,%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm5,%xmm0
  movaps %xmm3,%xmm5
  mulss  D356(%rip),%xmm5
  addss  %xmm0,%xmm6
  movss  D482(%rip),%xmm0
  mulss  0x20(%rsp),%xmm0
  movss  %xmm2,0x20(%rsp)
  mulss  %xmm2,%xmm5
  addss  %xmm6,%xmm0
  addss  %xmm5,%xmm0
  call   <pow@plt>
  movss  0x30(%rsp),%xmm1
  mov    $0x2,%edi
  movss  D250(%rip),%xmm5
  movss  0x38(%rsp),%xmm4
  mulss  0x2c(%rsp),%xmm0
  mulss  %xmm1,%xmm5
  addss  0xc(%rsp),%xmm0
  movss  0x58(%rsp),%xmm10
  mulss  D430(%rip),%xmm1
  movss  0x4(%rsp),%xmm6
  movss  0x24(%rsp),%xmm3
  movss  0x20(%rsp),%xmm2
  addss  %xmm10,%xmm6
  movss  %xmm0,(%rsp)
  movss  0x8(%rsp),%xmm0
  movss  0x3c(%rsp),%xmm9
  mulss  D215(%rip),%xmm9
  movss  0x1c(%rsp),%xmm7
  mulss  %xmm3,%xmm5
  mulss  %xmm4,%xmm1
  addss  %xmm6,%xmm0
  addss  D2(%rip),%xmm0
  addss  0x28(%rsp),%xmm0
  mulss  %xmm7,%xmm7
  mulss  %xmm3,%xmm9
  addss  %xmm5,%xmm0
  addss  0x10(%rsp),%xmm0
  mulss  %xmm2,%xmm1
  addss  0x14(%rsp),%xmm0
  addss  0x18(%rsp),%xmm0
  movss  %xmm7,0xc(%rsp)
  addss  %xmm1,%xmm0
  addss  %xmm9,%xmm0
  addss  0x34(%rsp),%xmm0
  call   <pow@plt>
  mulss  0xc(%rsp),%xmm0
  addss  (%rsp),%xmm0
  call   <sqrt@plt>
  movss  0x6c(%rsp),%xmm15
  jmp    L25
  cs nopw 0x0(%rax,%rax,1)
L63:
  pxor   %xmm10,%xmm10
  movaps %xmm10,%xmm0
  movaps %xmm10,%xmm8
  movaps %xmm10,%xmm7
  movaps %xmm10,%xmm5
  jmp    L54
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D427
datatype: byte[4]
name: retrieve_data
arguments: tag: D317
datatype: f32
name: retrieve_data
arguments: tag: D56
datatype: f32
name: retrieve_data
arguments: tag: D289
datatype: f32
name: retrieve_data
arguments: tag: D26
datatype: byte[4]
name: retrieve_data
arguments: tag: D367
datatype: byte[4]
name: retrieve_data
arguments: tag: D206
datatype: byte[4]
name: retrieve_data
arguments: tag: D21
datatype: byte[4]
name: retrieve_data
arguments: tag: D489
datatype: byte[4]
name: retrieve_data
arguments: tag: D216
datatype: byte[4]
name: retrieve_data
arguments: tag: D36
datatype: byte[4]
name: retrieve_data
arguments: tag: D308
datatype: byte[4]
name: retrieve_data
arguments: tag: D404
datatype: byte[4]
name: retrieve_data
arguments: tag: D245
datatype: byte[4]
name: retrieve_data
arguments: tag: D181
datatype: byte[4]
name: retrieve_data
arguments: tag: D256
datatype: byte[4]
name: retrieve_data
arguments: tag: D296
datatype: byte[4]
name: retrieve_data
arguments: tag: D406
datatype: byte[4]
name: retrieve_data
arguments: tag: D277
datatype: byte[4]
name: retrieve_data
arguments: tag: D2
datatype: byte[4]
name: retrieve_data
arguments: tag: D154
datatype: byte[4]
name: retrieve_data
arguments: tag: D196
datatype: byte[4]
name: retrieve_data
arguments: tag: D482
datatype: byte[4]
name: retrieve_data
arguments: tag: D54
datatype: byte[4]
name: retrieve_data
arguments: tag: D192
datatype: byte[4]
name: retrieve_data
arguments: tag: D100
datatype: byte[4]
name: retrieve_data
arguments: tag: D403
datatype: byte[4]
name: retrieve_data
arguments: tag: D84
datatype: byte[4]
name: retrieve_data
arguments: tag: D170
datatype: byte[4]
name: retrieve_data
arguments: tag: D237
datatype: byte[4]
name: retrieve_data
arguments: tag: D411
datatype: byte[4]
name: retrieve_data
arguments: tag: D285
datatype: byte[4]
name: retrieve_data
arguments: tag: D356
datatype: byte[4]
name: retrieve_data
arguments: tag: D250
datatype: byte[4]
name: retrieve_data
arguments: tag: D430
datatype: byte[4]
name: retrieve_data
arguments: tag: D215
datatype: byte[4]

tool: {"D427": [0x89,0x88,0x88,0x3d]}

tool: D317: 18

tool: D56: 15

tool: D289: 1

tool: {"D26": [0xf8,0x9a,0x0e,0x3c]}

tool: {"D367": [0xc8,0x4b,0x31,0x39]}

tool: {"D206": [0x79,0xe9,0x8f,0x41]}

tool: {"D21": [0x0f,0x87,0x9d,0xbb]}

tool: {"D489": [0x75,0xf3,0xaa,0xbb]}

tool: {"D216": [0x3e,0x3b,0x1d,0xb7]}

tool: {"D36": [0xb9,0x82,0xf9,0xb8]}

tool: {"D308": [0xd4,0x9e,0xd9,0xb7]}

tool: {"D404": [0xfc,0x4d,0x59,0x39]}

tool: {"D245": [0x53,0x57,0x3c,0x3b]}

tool: {"D181": [0xff,0xd0,0x8c,0x3d]}

tool: {"D256": [0xb3,0xcf,0x9b,0xb9]}

tool: {"D296": [0x81,0xb5,0x69,0xbd]}

tool: {"D406": [0xc4,0xb6,0x97,0x3a]}

tool: {"D277": [0xb4,0xfe,0x20,0xb9]}

tool: {"D2": [0x06,0xfd,0x86,0x39]}

tool: {"D154": [0x70,0x21,0x8b,0x38]}

tool: {"D196": [0x2f,0xec,0x19,0xb8]}

tool: {"D482": [0x34,0xe2,0xa4,0x38]}

tool: {"D54": [0x63,0x7e,0x44,0xb6]}

tool: {"D192": [0xac,0x3a,0x94,0xb7]}

tool: {"D100": [0x81,0xb5,0x69,0x3d]}

tool: {"D403": [0xb9,0x82,0x79,0xb9]}

tool: {"D84": [0xb4,0xfe,0x20,0x39]}

tool: {"D170": [0x3e,0x3b,0x9d,0xb7]}

tool: {"D237": [0x8c,0xb7,0x69,0xba]}

tool: {"D411": [0xc8,0x4b,0xb1,0x39]}

tool: {"D285": [0xfc,0x4d,0xd9,0x39]}

tool: {"D356": [0x63,0x7e,0xc4,0xb6]}

tool: {"D250": [0x70,0x21,0x0b,0x39]}

tool: {"D430": [0x2f,0xec,0x99,0xb8]}

tool: {"D215": [0x4e,0x53,0x77,0x39]}

assistant: ```c
float target_phi(float *x, float *dx, int m) {
  int ncoeff = 20;
  float avdat = 0.1157476E-02;
  float xmin[10] = {-0.15000E+02, -0.15000E+02, -0.18000E+02, -0.18013E+02, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00};
  float xmax[10] = {0.15000E+02, 0.15000E+02, 0.18000E+02, 0.17989E+02, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00, 0.00000E+00};
  float scale[10] = {0};
  float coeff[21] = {0.94611536E-08, -0.57057861E-01, 0.68758003E-01, 0.28738573E-02, -0.52170106E-02, -0.48073600E-02, 0.87039396E-02, -0.15353673E-03, 0.25746989E-03, -0.25942376E-04, 0.66342647E-04, -0.11897594E-03, 0.16908266E-03, -0.93717226E-05, 0.20723784E-03, -0.29718652E-03, -0.36698006E-04, 0.78622630E-04, -0.29279843E-05, -0.17670296E-04, 0.};
  int ientry = 0;
  int i;
  if (ientry == 0) {
    ientry = 1;
    for (i = 0; i < m; i++) {
      if (xmin[i] == xmax[i])
        continue;
      scale[i] = 2. / (xmax[i] - xmin[i]);
    }
  }
  float x1 = 1. + (x[0] - xmax[0]) * scale[0];
  float dx1 = dx[0] * scale[0];
  float x2 = 1. + (x[1] - xmax[1]) * scale[1];
  float dx2 = dx[1] * scale[1];
  float x3 = 1. + (x[2] - xmax[2]) * scale[2];
  float dx3 = dx[2] * scale[2];
  float x4 = 1. + (x[3] - xmax[3]) * scale[3];
  float dx4 = dx[3] * scale[3];
  float x11 = x1;
  float x12 = x11 * x1;
  float x21 = x2;
  float x22 = x21 * x2;
  float x31 = x3;
  float x32 = x31 * x3;
  float x33 = x32 * x3;
  float x41 = x4;
  float x42 = x41 * x4;
  float x43 = x42 * x4;
  float v_target_phi = avdat + coeff[0] + coeff[1] * x11 + coeff[2] * x31 + coeff[3] * x11 * x21 + coeff[4] * x21 * x31 + coeff[5] * x11 * x41 + coeff[6] * x31 * x41 + coeff[7] * x21;
  v_target_phi = v_target_phi + coeff[8] * x41 + coeff[9] * x21 * x31 * x41 + coeff[10] * x31 * x42 + coeff[11] * x12 * x21 * x31 + coeff[12] * x11 * x21 * x32 + coeff[13] * x11 * x22 * x41 + coeff[14] * x11 * x32 * x41 + coeff[15] * x33 * x41 + coeff[16] * x11 * x21 * x42;
  v_target_phi = v_target_phi + coeff[17] * x31 * x43 + coeff[18] * x21 * x32 + coeff[19] * x11 * x21 * x41;
  float dxall = 0 + dx1 + dx2 + dx3 + dx4;
  float dv_target_phi = dxall == 0 ? 0 : sqrt(+dx1 * dx1 * pow(0 + coeff[1] + coeff[3] * x21 + coeff[5] * x41 + 2 * coeff[11] * x11 * x21 * x31 + coeff[12] * x21 * x32 + coeff[13] * x22 * x41 + coeff[14] * x32 * x41 + coeff[16] * x21 * x42 + coeff[19] * x21 * x41, 2) + dx2 * dx2 * pow(0 + coeff[3] * x11 + coeff[4] * x31 + coeff[7] + coeff[9] * x31 * x41 + coeff[11] * x12 * x31 + coeff[12] * x11 * x32 + 2 * coeff[13] * x21 * x11 * x41 + coeff[16] * x11 * x42 + coeff[18] * x32 + coeff[19] * x11 * x41, 2) + dx3 * dx3 * pow(0 + coeff[2] + coeff[4] * x21 + coeff[6] * x41 + coeff[9] * x21 * x41 + coeff[10] * x42 + coeff[11] * x12 * x21 + 2 * coeff[12] * x31 * x11 * x21 + 2 * coeff[14] * x31 * x11 * x41 + 3 * coeff[15] * x32 * x41 + coeff[17] * x43 + 2 * coeff[18] * x31 * x21, 2) + dx4 * dx4 * pow(0 + coeff[5] * x11 + coeff[6] * x31 + coeff[8] + coeff[9] * x21 * x31 + 2 * coeff[10] * x41 * x31 + coeff[13] * x11 * x22 + coeff[14] * x11 * x32 + coeff[15] * x33 + 2 * coeff[16] * x41 * x11 * x21 + 3 * coeff[17] * x42 * x31 + coeff[19] * x11 * x21, 2));
  dx[0] = dv_target_phi;
  return v_target_phi;
}
```