user: 请从给定的汇编指令推导出C源代码：

```asm
<target_phi>:
  endbr64
  push   %rbx
  pxor   %xmm0,%xmm0
  mov    %rsi,%rbx
  sub    $0x100,%rsp
  movss  D78(%rip),%xmm1
  movss  D510(%rip),%xmm3
  mov    %fs:0x28,%rax
  mov    %rax,0xf8(%rsp)
  xor    %eax,%eax
  movaps %xmm0,0xd0(%rsp)
  movabs $0xc19024ddc1900000,%rax
  mov    %rax,0x78(%rsp)
  movabs $0x418fdd2f41900000,%rax
  movq   $0x0,0x80(%rsp)
  movq   $0x0,0x88(%rsp)
  movq   $0x0,0x90(%rsp)
  mov    %rax,0xa8(%rsp)
  movq   $0x0,0xb0(%rsp)
  movq   $0x0,0xb8(%rsp)
  movq   $0x0,0xc0(%rsp)
  movq   $0x0,0xf0(%rsp)
  movss  %xmm1,0x74(%rsp)
  movss  %xmm3,0xa4(%rsp)
  movaps %xmm0,0xe0(%rsp)
  test   %edx,%edx
  jle    L6
  sub    $0x1,%edx
  movss  D485(%rip),%xmm2
  xor    %eax,%eax
  movaps %xmm3,%xmm0
  shl    $0x2,%rdx
  lea    0x74(%rsp),%rsi
  lea    0xa4(%rsp),%rcx
  jmp    L39
  nopl   (%rax)
L26:
  movss  (%rsi,%rax,1),%xmm1
  movss  (%rcx,%rax,1),%xmm0
  add    $0x4,%rax
L39:
  ucomiss %xmm0,%xmm1
  jp     L89
  je     L18
L89:
  subss  %xmm1,%xmm0
  movaps %xmm2,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0xd0(%rsp,%rax,1)
L18:
  cmp    %rdx,%rax
  jne    L26
  movss  0xd0(%rsp),%xmm8
  pxor   %xmm10,%xmm10
  movss  0xd4(%rsp),%xmm6
  movss  0xd8(%rsp),%xmm1
  movss  0xdc(%rsp),%xmm0
L41:
  movss  (%rdi),%xmm2
  movss  0x4(%rdi),%xmm4
  movss  D223(%rip),%xmm5
  movss  D549(%rip),%xmm9
  subss  %xmm3,%xmm2
  subss  %xmm3,%xmm4
  movss  0x8(%rdi),%xmm3
  subss  D59(%rip),%xmm3
  mulss  %xmm8,%xmm2
  mulss  %xmm1,%xmm3
  mulss  0x8(%rbx),%xmm1
  mulss  %xmm6,%xmm4
  mulss  (%rbx),%xmm8
  addss  %xmm5,%xmm2
  mulss  0x4(%rbx),%xmm6
  addss  %xmm5,%xmm3
  movss  %xmm1,0x20(%rsp)
  movss  0xc(%rdi),%xmm1
  subss  D477(%rip),%xmm1
  addss  %xmm5,%xmm4
  mulss  %xmm2,%xmm9
  movaps %xmm3,%xmm12
  mulss  %xmm0,%xmm1
  mulss  0xc(%rbx),%xmm0
  movaps %xmm4,%xmm7
  movaps %xmm4,%xmm14
  mulss  %xmm4,%xmm7
  addss  %xmm5,%xmm1
  movaps %xmm3,%xmm5
  mulss  %xmm3,%xmm5
  movss  %xmm0,0x24(%rsp)
  movss  D413(%rip),%xmm0
  mulss  %xmm7,%xmm14
  mulss  %xmm4,%xmm0
  movaps %xmm1,%xmm15
  movaps %xmm1,%xmm13
  mulss  %xmm1,%xmm15
  mulss  %xmm5,%xmm12
  movss  %xmm0,0x8(%rsp)
  movss  D271(%rip),%xmm0
  movaps %xmm15,%xmm11
  movss  %xmm15,0x30(%rsp)
  mulss  %xmm1,%xmm11
  movss  %xmm12,0x28(%rsp)
  mulss  %xmm3,%xmm0
  movss  D343(%rip),%xmm12
  mulss  %xmm2,%xmm12
  mulss  %xmm11,%xmm13
  movss  %xmm13,0x2c(%rsp)
  movss  D431(%rip),%xmm13
  mulss  %xmm2,%xmm13
  movss  %xmm13,0xc(%rsp)
  movss  D302(%rip),%xmm13
  mulss  %xmm3,%xmm13
  movss  %xmm13,0x10(%rsp)
  movaps %xmm9,%xmm13
  movss  D472(%rip),%xmm9
  mulss  %xmm2,%xmm9
  mulss  %xmm14,%xmm9
  movss  %xmm9,0x14(%rsp)
  movss  D291(%rip),%xmm9
  mulss  %xmm2,%xmm9
  addss  D88(%rip),%xmm9
  addss  %xmm9,%xmm0
  movaps %xmm12,%xmm9
  mulss  %xmm4,%xmm9
  addss  %xmm0,%xmm9
  movss  0x8(%rsp),%xmm0
  mulss  %xmm3,%xmm0
  addss  %xmm9,%xmm0
  movss  0xc(%rsp),%xmm9
  mulss  %xmm1,%xmm9
  addss  %xmm0,%xmm9
  movss  0x10(%rsp),%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm9,%xmm0
  movss  D534(%rip),%xmm9
  mulss  %xmm1,%xmm9
  addss  %xmm0,%xmm9
  movss  D50(%rip),%xmm0
  mulss  %xmm4,%xmm0
  addss  %xmm9,%xmm0
  movss  D516(%rip),%xmm9
  mulss  %xmm3,%xmm9
  mulss  0x2c(%rsp),%xmm9
  addss  %xmm0,%xmm9
  movaps %xmm13,%xmm0
  mulss  %xmm4,%xmm0
  mulss  %xmm5,%xmm0
  addss  %xmm9,%xmm0
  movss  D372(%rip),%xmm9
  mulss  %xmm4,%xmm9
  mulss  0x28(%rsp),%xmm9
  addss  %xmm0,%xmm9
  movss  D375(%rip),%xmm0
  mulss  %xmm2,%xmm0
  mulss  %xmm11,%xmm0
  addss  %xmm9,%xmm0
  movss  0x14(%rsp),%xmm9
  mulss  %xmm1,%xmm9
  addss  %xmm0,%xmm9
  movss  D272(%rip),%xmm0
  mulss  %xmm4,%xmm0
  mulss  %xmm5,%xmm0
  addss  %xmm9,%xmm0
  movss  D412(%rip),%xmm9
  mulss  %xmm3,%xmm9
  mulss  %xmm15,%xmm9
  addss  %xmm9,%xmm0
  movss  D104(%rip),%xmm9
  mulss  %xmm2,%xmm9
  mulss  %xmm7,%xmm9
  movss  %xmm9,0x18(%rsp)
  movaps %xmm2,%xmm9
  mulss  %xmm2,%xmm9
  mulss  D545(%rip),%xmm9
  movaps %xmm9,%xmm15
  mulss  %xmm3,%xmm15
  movss  %xmm15,0x1c(%rsp)
  movss  D113(%rip),%xmm15
  mulss  %xmm2,%xmm15
  mulss  %xmm14,%xmm15
  addss  %xmm15,%xmm0
  movss  0x18(%rsp),%xmm15
  mulss  %xmm1,%xmm15
  addss  %xmm15,%xmm0
  movss  0x1c(%rsp),%xmm15
  mulss  %xmm1,%xmm15
  addss  %xmm0,%xmm15
  movss  D404(%rip),%xmm0
  mulss  %xmm2,%xmm0
  mulss  %xmm5,%xmm0
  movss  %xmm0,0x34(%rsp)
  mulss  %xmm1,%xmm0
  addss  %xmm0,%xmm15
  movaps %xmm8,%xmm0
  addss  %xmm10,%xmm0
  addss  %xmm6,%xmm0
  addss  0x20(%rsp),%xmm0
  addss  0x24(%rsp),%xmm0
  ucomiss %xmm10,%xmm0
  jp     L20
  movaps %xmm10,%xmm0
  jne    L20
L11:
  movss  %xmm0,(%rbx)
  mov    0xf8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L75
  add    $0x100,%rsp
  movaps %xmm15,%xmm0
  pop    %rbx
  ret
  xchg   %ax,%ax
L20:
  movss  %xmm6,0x3c(%rsp)
  mulss  %xmm8,%xmm8
  mov    $0x2,%edi
  movss  D431(%rip),%xmm6
  movss  D343(%rip),%xmm0
  movss  %xmm7,0x58(%rsp)
  mulss  %xmm1,%xmm6
  movss  %xmm15,0x6c(%rsp)
  mulss  %xmm4,%xmm0
  movss  %xmm11,0x5c(%rsp)
  subss  D511(%rip),%xmm0
  movss  %xmm9,0x68(%rsp)
  movss  %xmm8,0x38(%rsp)
  movss  %xmm10,0x54(%rsp)
  movaps %xmm6,%xmm8
  movss  D375(%rip),%xmm6
  movss  %xmm13,0x64(%rsp)
  addss  %xmm0,%xmm8
  movss  D549(%rip),%xmm0
  movss  %xmm12,0x50(%rsp)
  mulss  %xmm11,%xmm6
  movss  %xmm4,0x60(%rsp)
  mulss  %xmm4,%xmm0
  movss  %xmm2,0x4c(%rsp)
  movss  %xmm3,0x48(%rsp)
  movss  %xmm5,0x44(%rsp)
  movss  %xmm1,0x40(%rsp)
  mulss  %xmm5,%xmm0
  addss  %xmm8,%xmm0
  movaps %xmm6,%xmm8
  movaps %xmm2,%xmm6
  mulss  D129(%rip),%xmm6
  addss  %xmm0,%xmm8
  movss  D472(%rip),%xmm0
  mulss  %xmm14,%xmm0
  mulss  D113(%rip),%xmm14
  mulss  %xmm1,%xmm0
  addss  %xmm8,%xmm0
  movaps %xmm6,%xmm8
  mulss  %xmm3,%xmm8
  addss  %xmm0,%xmm14
  movss  D104(%rip),%xmm0
  mulss  %xmm7,%xmm0
  movss  D404(%rip),%xmm7
  mulss  %xmm1,%xmm8
  mulss  %xmm5,%xmm7
  mulss  %xmm1,%xmm0
  addss  %xmm14,%xmm0
  addss  %xmm8,%xmm0
  movaps %xmm7,%xmm8
  mulss  %xmm1,%xmm8
  addss  %xmm8,%xmm0
  call   <pow@plt>
  movss  0x3c(%rsp),%xmm6
  movss  0x48(%rsp),%xmm3
  mov    $0x2,%edi
  movss  D413(%rip),%xmm5
  movss  0x54(%rsp),%xmm10
  movaps %xmm6,%xmm7
  movss  0x50(%rsp),%xmm12
  movss  0x64(%rsp),%xmm13
  movss  %xmm3,0x50(%rsp)
  mulss  %xmm6,%xmm7
  movss  D421(%rip),%xmm6
  movss  0x4c(%rsp),%xmm2
  mulss  %xmm3,%xmm5
  addss  %xmm10,%xmm12
  movss  0x40(%rsp),%xmm1
  movss  D272(%rip),%xmm4
  mulss  0x38(%rsp),%xmm0
  movss  %xmm7,0x3c(%rsp)
  movss  0x58(%rsp),%xmm7
  addss  %xmm5,%xmm12
  movss  0x44(%rsp),%xmm5
  subss  D89(%rip),%xmm12
  movss  %xmm2,0x44(%rsp)
  mulss  %xmm7,%xmm6
  movss  %xmm0,0x38(%rsp)
  mulss  %xmm5,%xmm13
  movss  %xmm5,0x4c(%rsp)
  mulss  %xmm5,%xmm4
  movss  D283(%rip),%xmm5
  mulss  %xmm7,%xmm5
  mulss  %xmm2,%xmm6
  addss  %xmm12,%xmm13
  movss  D372(%rip),%xmm12
  mulss  0x28(%rsp),%xmm12
  movaps %xmm5,%xmm0
  mulss  %xmm1,%xmm6
  addss  %xmm13,%xmm12
  mulss  %xmm2,%xmm0
  addss  %xmm12,%xmm6
  addss  %xmm4,%xmm6
  movss  0x60(%rsp),%xmm4
  movaps %xmm4,%xmm5
  movss  %xmm4,0x48(%rsp)
  mulss  D456(%rip),%xmm5
  addss  %xmm6,%xmm0
  movaps %xmm5,%xmm7
  mulss  %xmm2,%xmm7
  mulss  %xmm1,%xmm7
  addss  %xmm7,%xmm0
  call   <pow@plt>
  mulss  0x3c(%rsp),%xmm0
  movss  0x38(%rsp),%xmm7
  mov    $0x2,%edi
  movss  0x40(%rsp),%xmm1
  movss  D271(%rip),%xmm6
  addss  0x8(%rsp),%xmm6
  movss  0x50(%rsp),%xmm3
  movss  0x44(%rsp),%xmm2
  movss  0x48(%rsp),%xmm4
  movss  0x4c(%rsp),%xmm5
  mulss  D354(%rip),%xmm5
  movss  %xmm3,0x3c(%rsp)
  addss  %xmm0,%xmm7
  movss  D302(%rip),%xmm0
  movss  0x68(%rsp),%xmm9
  movss  %xmm2,0x38(%rsp)
  mulss  %xmm1,%xmm0
  mulss  %xmm1,%xmm9
  movss  %xmm7,0x28(%rsp)
  movss  0x20(%rsp),%xmm7
  mulss  %xmm4,%xmm5
  mulss  %xmm7,%xmm7
  addss  %xmm6,%xmm0
  movss  D516(%rip),%xmm6
  mulss  0x2c(%rsp),%xmm6
  movss  %xmm1,0x2c(%rsp)
  movss  %xmm7,0x20(%rsp)
  addss  %xmm6,%xmm0
  movss  D417(%rip),%xmm6
  mulss  %xmm3,%xmm6
  mulss  %xmm2,%xmm6
  mulss  %xmm4,%xmm6
  addss  %xmm0,%xmm6
  movss  D193(%rip),%xmm0
  mulss  %xmm3,%xmm0
  addss  %xmm6,%xmm5
  mulss  %xmm4,%xmm0
  addss  %xmm5,%xmm0
  movss  D412(%rip),%xmm5
  mulss  0x30(%rsp),%xmm5
  movaps %xmm5,%xmm4
  addss  %xmm0,%xmm4
  movaps %xmm3,%xmm0
  mulss  D30(%rip),%xmm0
  addss  %xmm4,%xmm9
  mulss  %xmm2,%xmm0
  mulss  %xmm1,%xmm0
  addss  %xmm9,%xmm0
  call   <pow@plt>
  mulss  0x20(%rsp),%xmm0
  mov    $0x2,%edi
  movss  0x5c(%rsp),%xmm11
  mulss  D103(%rip),%xmm11
  addss  0x28(%rsp),%xmm0
  movss  0x54(%rsp),%xmm10
  movss  0xc(%rsp),%xmm5
  movss  0x3c(%rsp),%xmm3
  movss  0x30(%rsp),%xmm4
  mulss  D259(%rip),%xmm4
  addss  %xmm10,%xmm5
  movss  %xmm0,0x8(%rsp)
  movss  0x10(%rsp),%xmm0
  movss  0x38(%rsp),%xmm2
  movss  0x2c(%rsp),%xmm1
  mulss  %xmm3,%xmm11
  movss  0x24(%rsp),%xmm7
  mulss  D147(%rip),%xmm1
  addss  %xmm5,%xmm0
  addss  D534(%rip),%xmm0
  mulss  %xmm7,%xmm7
  mulss  %xmm4,%xmm2
  addss  %xmm11,%xmm0
  mulss  %xmm3,%xmm1
  movss  %xmm7,0x20(%rsp)
  addss  %xmm2,%xmm0
  addss  0x14(%rsp),%xmm0
  addss  %xmm1,%xmm0
  addss  0x18(%rsp),%xmm0
  addss  0x1c(%rsp),%xmm0
  addss  0x34(%rsp),%xmm0
  call   <pow@plt>
  mulss  0x20(%rsp),%xmm0
  addss  0x8(%rsp),%xmm0
  call   <sqrt@plt>
  movss  0x6c(%rsp),%xmm15
  jmp    L11
  nopw   0x0(%rax,%rax,1)
L6:
  pxor   %xmm10,%xmm10
  movaps %xmm10,%xmm0
  movaps %xmm10,%xmm1
  movaps %xmm10,%xmm6
  movaps %xmm10,%xmm8
  jmp    L41
L75:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D78
data_type: byte[4]
name: read_data
arguments: tag: D510
data_type: f32
name: read_data
arguments: tag: D485
data_type: f32
name: read_data
arguments: tag: D223
data_type: f32
name: read_data
arguments: tag: D549
data_type: byte[4]
name: read_data
arguments: tag: D59
data_type: f32
name: read_data
arguments: tag: D477
data_type: byte[4]
name: read_data
arguments: tag: D413
data_type: byte[4]
name: read_data
arguments: tag: D271
data_type: byte[4]
name: read_data
arguments: tag: D343
data_type: byte[4]
name: read_data
arguments: tag: D431
data_type: byte[4]
name: read_data
arguments: tag: D302
data_type: byte[4]
name: read_data
arguments: tag: D472
data_type: byte[4]
name: read_data
arguments: tag: D291
data_type: byte[4]
name: read_data
arguments: tag: D88
data_type: byte[4]
name: read_data
arguments: tag: D534
data_type: byte[4]
name: read_data
arguments: tag: D50
data_type: byte[4]
name: read_data
arguments: tag: D516
data_type: byte[4]
name: read_data
arguments: tag: D372
data_type: byte[4]
name: read_data
arguments: tag: D375
data_type: byte[4]
name: read_data
arguments: tag: D272
data_type: byte[4]
name: read_data
arguments: tag: D412
data_type: byte[4]
name: read_data
arguments: tag: D104
data_type: byte[4]
name: read_data
arguments: tag: D545
data_type: byte[4]
name: read_data
arguments: tag: D113
data_type: byte[4]
name: read_data
arguments: tag: D404
data_type: byte[4]
name: read_data
arguments: tag: D511
data_type: byte[4]
name: read_data
arguments: tag: D129
data_type: byte[4]
name: read_data
arguments: tag: D421
data_type: byte[4]
name: read_data
arguments: tag: D89
data_type: byte[4]
name: read_data
arguments: tag: D283
data_type: byte[4]
name: read_data
arguments: tag: D456
data_type: byte[4]
name: read_data
arguments: tag: D354
data_type: byte[4]
name: read_data
arguments: tag: D417
data_type: byte[4]
name: read_data
arguments: tag: D193
data_type: byte[4]
name: read_data
arguments: tag: D30
data_type: byte[4]
name: read_data
arguments: tag: D103
data_type: byte[4]
name: read_data
arguments: tag: D259
data_type: byte[4]
name: read_data
arguments: tag: D147
data_type: byte[4]

tool: {"D78": [0x00,0x00,0x70,0xc1]}

tool: D510: 15

tool: D485: 2

tool: D223: 1

tool: {"D549": [0x03,0x2d,0x4d,0x38]}

tool: D59: 18

tool: {"D477": [0x2f,0xdd,0x8f,0x41]}

tool: {"D413": [0xfb,0x33,0xe4,0xbb]}

tool: {"D271": [0x59,0xb9,0x8d,0x3d]}

tool: {"D343": [0x1e,0x43,0x7a,0x3b]}

tool: {"D431": [0x1f,0x9b,0xd3,0xbb]}

tool: {"D302": [0x2f,0x9e,0x3f,0x3c]}

tool: {"D472": [0x85,0x2f,0xe6,0xb7]}

tool: {"D291": [0xb9,0x97,0x6a,0xbd]}

tool: {"D88": [0x68,0x31,0x17,0x3b]}

tool: {"D534": [0x58,0x4e,0xca,0x39]}

tool: {"D50": [0x05,0xe6,0x6f,0xb9]}

tool: {"D516": [0x89,0xa6,0x1c,0x38]}

tool: {"D372": [0xbf,0x79,0xb4,0x36]}

tool: {"D375": [0xa3,0x92,0x0d,0x39]}

tool: {"D272": [0xe7,0x76,0xb6,0xb6]}

tool: {"D412": [0x57,0xe2,0xe8,0x37]}

tool: {"D104": [0xc3,0x37,0x56,0xb9]}

tool: {"D545": [0x2b,0x84,0xea,0x38]}

tool: {"D113": [0x7f,0xbd,0xcd,0x38]}

tool: {"D404": [0x72,0x79,0x5b,0xb9]}

tool: {"D511": [0xb9,0x97,0x6a,0x3d]}

tool: {"D129": [0x2b,0x84,0x6a,0x39]}

tool: {"D421": [0xa4,0xa3,0xac,0xb8]}

tool: {"D89": [0x05,0xe6,0x6f,0x39]}

tool: {"D283": [0x1f,0x4e,0x9a,0x39]}

tool: {"D456": [0xc3,0x37,0xd6,0xb9]}

tool: {"D354": [0x4f,0x5b,0x87,0x37]}

tool: {"D417": [0x03,0x2d,0xcd,0x38]}

tool: {"D193": [0xe7,0x76,0x36,0xb7]}

tool: {"D30": [0x72,0x79,0xdb,0xb9]}

tool: {"D103": [0x89,0xa6,0x1c,0x39]}

tool: {"D259": [0xf4,0x5b,0xd4,0x39]}

tool: {"D147": [0x57,0xe2,0x68,0x38]}

assistant: ```c
float target_phi(float *x, float *dx, int m) {
  int ncoeff = 20;
  float avdat = 0.2306953E-02;
  float xmin[10] = {-0.15000E+02, -0.15000E+02, -0.18000E+02, -0.18018E+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, 0.17983E+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] = {0.68938235E-07, -0.57273600E-01, 0.69201179E-01, 0.38186978E-02, -0.69642044E-02, -0.64577009E-02, 0.11695429E-01, 0.38586813E-03, -0.22878505E-03, 0.37348396E-04, 0.48917729E-04, 0.53785911E-05, 0.13501434E-03, -0.27440265E-04, -0.54378647E-05, 0.27761953E-04, 0.98104581E-04, -0.20429403E-03, 0.11182608E-03, -0.20930709E-03, 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 x23 = x22 * x2;
  float x31 = x3;
  float x32 = x31 * x3;
  float x33 = x32 * x3;
  float x41 = x4;
  float x42 = x41 * x4;
  float x43 = x42 * x4;
  float x44 = x43 * 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] * x41;
  v_target_phi = v_target_phi + coeff[8] * x21 + coeff[9] * x31 * x44 + coeff[10] * x11 * x21 * x32 + coeff[11] * x21 * x33 + coeff[12] * x11 * x43 + coeff[13] * x11 * x23 * x41 + coeff[14] * x21 * x32 + coeff[15] * x31 * x42 + coeff[16] * x11 * x23;
  v_target_phi = v_target_phi + coeff[17] * x11 * x22 * x41 + coeff[18] * x12 * x31 * x41 + coeff[19] * x11 * x32 * 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 + coeff[10] * x21 * x32 + coeff[12] * x43 + coeff[13] * x23 * x41 + coeff[16] * x23 + coeff[17] * x22 * x41 + 2 * coeff[18] * x11 * x31 * x41 + coeff[19] * x32 * x41, 2) + dx2 * dx2 * pow(0 + coeff[3] * x11 + coeff[4] * x31 + coeff[8] + coeff[10] * x11 * x32 + coeff[11] * x33 + 3 * coeff[13] * x22 * x11 * x41 + coeff[14] * x32 + 3 * coeff[16] * x22 * x11 + 2 * coeff[17] * x21 * x11 * x41, 2) + dx3 * dx3 * pow(0 + coeff[2] + coeff[4] * x21 + coeff[6] * x41 + coeff[9] * x44 + 2 * coeff[10] * x31 * x11 * x21 + 3 * coeff[11] * x32 * x21 + 2 * coeff[14] * x31 * x21 + coeff[15] * x42 + coeff[18] * x12 * x41 + 2 * coeff[19] * x31 * x11 * x41, 2) + dx4 * dx4 * pow(0 + coeff[5] * x11 + coeff[6] * x31 + coeff[7] + 4 * coeff[9] * x43 * x31 + 3 * coeff[12] * x42 * x11 + coeff[13] * x11 * x23 + 2 * coeff[15] * x41 * x31 + coeff[17] * x11 * x22 + coeff[18] * x12 * x31 + coeff[19] * x11 * x32, 2));
  dx[0] = dv_target_phi;
  return v_target_phi;
}
```