user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<target_phi>:
  endbr64
  push   %r14
  push   %rbx
  sub    $0xf8,%rsp
  mov    %rdi,%rcx
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0xe8(%rsp)
  xor    %eax,%eax
  movss  D370(%rip),%xmm0
  movss  %xmm0,0x60(%rsp)
  movss  %xmm0,0x64(%rsp)
  movl   $0xc1900000,0x68(%rsp)
  movl   $0xc1902f1b,0x6c(%rsp)
  movl   $0x0,0x70(%rsp)
  movl   $0x0,0x74(%rsp)
  movl   $0x0,0x78(%rsp)
  movl   $0x0,0x7c(%rsp)
  movl   $0x0,0x80(%rsp)
  movl   $0x0,0x84(%rsp)
  movss  D479(%rip),%xmm0
  movss  %xmm0,0x90(%rsp)
  movss  %xmm0,0x94(%rsp)
  movl   $0x41900000,0x98(%rsp)
  movl   $0x418fd4fe,0x9c(%rsp)
  movl   $0x0,0xa0(%rsp)
  movl   $0x0,0xa4(%rsp)
  movl   $0x0,0xa8(%rsp)
  movl   $0x0,0xac(%rsp)
  movl   $0x0,0xb0(%rsp)
  movl   $0x0,0xb4(%rsp)
  movq   $0x0,0xc0(%rsp)
  movq   $0x0,0xc8(%rsp)
  movq   $0x0,0xd0(%rsp)
  movq   $0x0,0xd8(%rsp)
  movq   $0x0,0xe0(%rsp)
  test   %edx,%edx
  jle    L76
  mov    %edx,%edx
  movss  D205(%rip),%xmm2
  jmp    L25
L51:
  subss  %xmm1,%xmm0
  movaps %xmm2,%xmm1
  divss  %xmm0,%xmm1
  movss  %xmm1,0xc0(%rsp,%rax,4)
L73:
  add    $0x1,%rax
  cmp    %rdx,%rax
  je     L76
L25:
  movss  0x60(%rsp,%rax,4),%xmm1
  movss  0x90(%rsp,%rax,4),%xmm0
  ucomiss %xmm0,%xmm1
  jp     L51
  jne    L51
  jmp    L73
L76:
  movss  0xc0(%rsp),%xmm2
  movss  (%rcx),%xmm0
  movss  D479(%rip),%xmm4
  subss  %xmm4,%xmm0
  movaps %xmm0,%xmm1
  mulss  %xmm2,%xmm1
  movss  D288(%rip),%xmm0
  movaps %xmm1,%xmm7
  addss  %xmm0,%xmm7
  movaps %xmm7,%xmm8
  movss  %xmm7,0x10(%rsp)
  mulss  (%rbx),%xmm2
  movss  0xc4(%rsp),%xmm3
  movss  0x4(%rcx),%xmm1
  subss  %xmm4,%xmm1
  mulss  %xmm3,%xmm1
  movaps %xmm1,%xmm4
  addss  %xmm0,%xmm4
  mulss  0x4(%rbx),%xmm3
  movss  %xmm3,0x28(%rsp)
  movss  0xc8(%rsp),%xmm3
  movss  0x8(%rcx),%xmm1
  subss  D308(%rip),%xmm1
  mulss  %xmm3,%xmm1
  movaps %xmm1,%xmm13
  addss  %xmm0,%xmm13
  movaps %xmm13,%xmm15
  movss  %xmm13,0x14(%rsp)
  mulss  0x8(%rbx),%xmm3
  movss  %xmm3,0x2c(%rsp)
  movss  0xcc(%rsp),%xmm3
  movss  0xc(%rcx),%xmm1
  subss  D160(%rip),%xmm1
  mulss  %xmm3,%xmm1
  addss  %xmm0,%xmm1
  movss  %xmm1,0xc(%rsp)
  movaps %xmm3,%xmm6
  mulss  0xc(%rbx),%xmm6
  movss  %xmm6,0x30(%rsp)
  movaps %xmm7,%xmm6
  mulss  %xmm7,%xmm6
  movaps %xmm6,%xmm7
  movss  %xmm6,0x34(%rsp)
  movaps %xmm8,%xmm5
  mulss  %xmm6,%xmm5
  movss  %xmm5,0x38(%rsp)
  movaps %xmm4,%xmm1
  movaps %xmm4,%xmm6
  mulss  %xmm4,%xmm1
  movaps %xmm4,%xmm0
  mulss  %xmm1,%xmm0
  movss  %xmm0,0x58(%rsp)
  movaps %xmm4,%xmm3
  mulss  %xmm0,%xmm3
  movaps %xmm13,%xmm4
  mulss  %xmm13,%xmm4
  movaps %xmm4,%xmm13
  movss  %xmm4,0x3c(%rsp)
  movaps %xmm15,%xmm12
  mulss  %xmm4,%xmm12
  movss  %xmm12,0x40(%rsp)
  movaps %xmm15,%xmm4
  mulss  %xmm12,%xmm4
  movaps %xmm8,%xmm11
  mulss  D149(%rip),%xmm11
  movss  %xmm11,0x44(%rsp)
  movss  %xmm6,0x8(%rsp)
  movaps %xmm6,%xmm0
  mulss  D398(%rip),%xmm0
  movss  %xmm0,0x18(%rsp)
  movaps %xmm8,%xmm10
  mulss  D238(%rip),%xmm10
  movss  %xmm10,0x48(%rsp)
  movaps %xmm15,%xmm14
  mulss  D194(%rip),%xmm14
  movss  %xmm14,0x4c(%rsp)
  movaps %xmm7,%xmm6
  mulss  D447(%rip),%xmm6
  movss  %xmm6,0x50(%rsp)
  movaps %xmm1,%xmm9
  mulss  D44(%rip),%xmm9
  movss  %xmm9,0x1c(%rsp)
  movaps %xmm8,%xmm0
  movaps %xmm5,%xmm9
  mulss  %xmm5,%xmm0
  mulss  D414(%rip),%xmm0
  movss  %xmm0,0x20(%rsp)
  movaps %xmm7,%xmm0
  mulss  D394(%rip),%xmm0
  mulss  %xmm1,%xmm0
  movss  %xmm0,0x24(%rsp)
  movaps %xmm15,%xmm0
  mulss  D99(%rip),%xmm0
  addss  D360(%rip),%xmm0
  movaps %xmm11,%xmm5
  mulss  0x8(%rsp),%xmm5
  addss  %xmm5,%xmm0
  movss  0x18(%rsp),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm10,%xmm5
  movss  0xc(%rsp),%xmm10
  mulss  %xmm10,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm14,%xmm5
  mulss  %xmm10,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm9,%xmm5
  mulss  D75(%rip),%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm8,%xmm5
  mulss  D534(%rip),%xmm5
  mulss  %xmm1,%xmm5
  addss  %xmm5,%xmm0
  mulss  %xmm15,%xmm6
  addss  %xmm6,%xmm0
  movss  0x1c(%rsp),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm8,%xmm5
  mulss  D243(%rip),%xmm5
  mulss  %xmm13,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm12,%xmm5
  mulss  D167(%rip),%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm9,%xmm5
  mulss  D291(%rip),%xmm5
  mulss  %xmm1,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm8,%xmm5
  mulss  D206(%rip),%xmm5
  mulss  %xmm3,%xmm5
  addss  %xmm5,%xmm0
  movss  0x20(%rsp),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm5,%xmm0
  movss  0x24(%rsp),%xmm5
  mulss  %xmm15,%xmm5
  addss  %xmm5,%xmm0
  movaps %xmm3,%xmm6
  mulss  D369(%rip),%xmm6
  movss  %xmm6,0x54(%rsp)
  mulss  D23(%rip),%xmm9
  movaps %xmm9,%xmm5
  mulss  %xmm13,%xmm5
  mulss  %xmm15,%xmm6
  addss  %xmm6,%xmm0
  addss  %xmm5,%xmm0
  mulss  D235(%rip),%xmm7
  movaps %xmm7,%xmm5
  mulss  %xmm12,%xmm5
  addss  %xmm5,%xmm0
  mulss  D408(%rip),%xmm8
  movaps %xmm8,%xmm5
  mulss  %xmm4,%xmm5
  addss  %xmm0,%xmm5
  movd   %xmm5,%r14d
  pxor   %xmm5,%xmm5
  movaps %xmm2,%xmm0
  addss  %xmm5,%xmm0
  addss  0x28(%rsp),%xmm0
  addss  0x2c(%rsp),%xmm0
  addss  0x30(%rsp),%xmm0
  ucomiss %xmm5,%xmm0
  jp     L68
  movaps %xmm5,%xmm0
  jne    L68
L7:
  movss  %xmm0,(%rbx)
  mov    0xe8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L92
  movd   %r14d,%xmm0
  add    $0xf8,%rsp
  pop    %rbx
  pop    %r14
  ret
L68:
  mulss  %xmm2,%xmm2
  movss  %xmm2,0x5c(%rsp)
  movss  0x8(%rsp),%xmm0
  mulss  D149(%rip),%xmm0
  pxor   %xmm7,%xmm7
  addss  %xmm7,%xmm0
  movss  0xc(%rsp),%xmm7
  mulss  D238(%rip),%xmm7
  addss  %xmm7,%xmm0
  movss  0x34(%rsp),%xmm5
  movaps %xmm5,%xmm7
  mulss  D190(%rip),%xmm7
  addss  %xmm7,%xmm0
  movaps %xmm1,%xmm6
  mulss  D534(%rip),%xmm6
  addss  %xmm6,%xmm0
  movss  0x10(%rsp),%xmm6
  movaps %xmm6,%xmm7
  mulss  D441(%rip),%xmm7
  movaps %xmm7,%xmm2
  movss  0x14(%rsp),%xmm7
  mulss  %xmm7,%xmm2
  addss  %xmm2,%xmm0
  movss  0x3c(%rsp),%xmm10
  movaps %xmm10,%xmm11
  mulss  D243(%rip),%xmm11
  addss  %xmm11,%xmm0
  movaps %xmm5,%xmm11
  mulss  D404(%rip),%xmm11
  movaps %xmm11,%xmm2
  mulss  %xmm1,%xmm2
  addss  %xmm2,%xmm0
  mulss  D206(%rip),%xmm3
  addss  %xmm3,%xmm0
  movss  0x38(%rsp),%xmm3
  mulss  D279(%rip),%xmm3
  movaps %xmm3,%xmm2
  mulss  %xmm7,%xmm2
  addss  %xmm2,%xmm0
  movss  D312(%rip),%xmm11
  mulss  %xmm6,%xmm11
  mulss  %xmm11,%xmm1
  mulss  %xmm7,%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm5,%xmm1
  mulss  D415(%rip),%xmm1
  mulss  %xmm10,%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm6,%xmm1
  mulss  D340(%rip),%xmm1
  mulss  0x40(%rsp),%xmm1
  addss  %xmm1,%xmm0
  mulss  D408(%rip),%xmm4
  addss  %xmm4,%xmm0
  mov    $0x2,%edi
  call   <pow@plt>
  mulss  0x5c(%rsp),%xmm0
  movss  %xmm0,0x5c(%rsp)
  movss  0x28(%rsp),%xmm12
  mulss  %xmm12,%xmm12
  movss  %xmm12,0x28(%rsp)
  pxor   %xmm13,%xmm13
  addss  0x44(%rsp),%xmm13
  movaps %xmm13,%xmm0
  movss  0x14(%rsp),%xmm3
  movaps %xmm3,%xmm1
  mulss  D398(%rip),%xmm1
  addss  %xmm1,%xmm0
  movss  0x8(%rsp),%xmm2
  movaps %xmm2,%xmm1
  mulss  D73(%rip),%xmm1
  movss  0x10(%rsp),%xmm6
  mulss  %xmm6,%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm2,%xmm1
  mulss  D115(%rip),%xmm1
  mulss  %xmm3,%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm2,%xmm1
  mulss  D403(%rip),%xmm1
  mulss  0x38(%rsp),%xmm1
  addss  %xmm1,%xmm0
  movss  0x58(%rsp),%xmm11
  movaps %xmm11,%xmm1
  mulss  D30(%rip),%xmm1
  mulss  %xmm6,%xmm1
  addss  %xmm1,%xmm0
  movss  D312(%rip),%xmm13
  mulss  %xmm2,%xmm13
  movaps %xmm13,%xmm1
  mulss  0x34(%rsp),%xmm1
  mulss  %xmm3,%xmm1
  addss  %xmm1,%xmm0
  mulss  D12(%rip),%xmm11
  movaps %xmm11,%xmm1
  mulss  %xmm3,%xmm1
  addss  %xmm1,%xmm0
  mov    $0x2,%edi
  call   <pow@plt>
  mulss  0x28(%rsp),%xmm0
  addss  0x5c(%rsp),%xmm0
  movss  %xmm0,0x8(%rsp)
  movss  0x2c(%rsp),%xmm0
  mulss  %xmm0,%xmm0
  movss  %xmm0,0x28(%rsp)
  movss  0x18(%rsp),%xmm9
  addss  D99(%rip),%xmm9
  movaps %xmm9,%xmm0
  movss  0xc(%rsp),%xmm7
  mulss  D194(%rip),%xmm7
  addss  %xmm7,%xmm0
  addss  0x50(%rsp),%xmm0
  addss  0x1c(%rsp),%xmm0
  movss  0x14(%rsp),%xmm3
  movaps %xmm3,%xmm1
  mulss  D303(%rip),%xmm1
  movss  0x10(%rsp),%xmm2
  mulss  %xmm2,%xmm1
  addss  %xmm1,%xmm0
  movss  0x3c(%rsp),%xmm10
  movaps %xmm10,%xmm1
  mulss  D361(%rip),%xmm1
  addss  %xmm1,%xmm0
  addss  0x20(%rsp),%xmm0
  addss  0x24(%rsp),%xmm0
  addss  0x54(%rsp),%xmm0
  mulss  D436(%rip),%xmm3
  movaps %xmm3,%xmm1
  mulss  0x38(%rsp),%xmm1
  addss  %xmm1,%xmm0
  mulss  D341(%rip),%xmm10
  movaps %xmm10,%xmm1
  mulss  0x34(%rsp),%xmm1
  addss  %xmm1,%xmm0
  movss  0x40(%rsp),%xmm1
  mulss  D334(%rip),%xmm1
  mulss  %xmm2,%xmm1
  addss  %xmm1,%xmm0
  mov    $0x2,%edi
  call   <pow@plt>
  mulss  0x28(%rsp),%xmm0
  movaps %xmm0,%xmm4
  addss  0x8(%rsp),%xmm4
  movss  %xmm4,0x8(%rsp)
  movss  0x30(%rsp),%xmm4
  mulss  %xmm4,%xmm4
  movss  %xmm4,0xc(%rsp)
  pxor   %xmm0,%xmm0
  addss  0x48(%rsp),%xmm0
  addss  0x4c(%rsp),%xmm0
  mov    $0x2,%edi
  call   <pow@plt>
  mulss  0xc(%rsp),%xmm0
  addss  0x8(%rsp),%xmm0
  call   <sqrt@plt>
  jmp    L7
L92:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D370
type: byte[4]
name: read_data
arguments: data_label: D479
type: f32
name: read_data
arguments: data_label: D205
type: f32
name: read_data
arguments: data_label: D288
type: f32
name: read_data
arguments: data_label: D308
type: f32
name: read_data
arguments: data_label: D160
type: byte[4]
name: read_data
arguments: data_label: D149
type: byte[4]
name: read_data
arguments: data_label: D398
type: byte[4]
name: read_data
arguments: data_label: D238
type: byte[4]
name: read_data
arguments: data_label: D194
type: byte[4]
name: read_data
arguments: data_label: D447
type: byte[4]
name: read_data
arguments: data_label: D44
type: byte[4]
name: read_data
arguments: data_label: D414
type: byte[4]
name: read_data
arguments: data_label: D394
type: byte[4]
name: read_data
arguments: data_label: D99
type: byte[4]
name: read_data
arguments: data_label: D360
type: byte[4]
name: read_data
arguments: data_label: D75
type: byte[4]
name: read_data
arguments: data_label: D534
type: byte[4]
name: read_data
arguments: data_label: D243
type: byte[4]
name: read_data
arguments: data_label: D167
type: byte[4]
name: read_data
arguments: data_label: D291
type: byte[4]
name: read_data
arguments: data_label: D206
type: byte[4]
name: read_data
arguments: data_label: D369
type: byte[4]
name: read_data
arguments: data_label: D23
type: byte[4]
name: read_data
arguments: data_label: D235
type: byte[4]
name: read_data
arguments: data_label: D408
type: byte[4]
name: read_data
arguments: data_label: D190
type: byte[4]
name: read_data
arguments: data_label: D441
type: byte[4]
name: read_data
arguments: data_label: D404
type: byte[4]
name: read_data
arguments: data_label: D279
type: byte[4]
name: read_data
arguments: data_label: D312
type: byte[4]
name: read_data
arguments: data_label: D415
type: byte[4]
name: read_data
arguments: data_label: D340
type: byte[4]
name: read_data
arguments: data_label: D73
type: byte[4]
name: read_data
arguments: data_label: D115
type: byte[4]
name: read_data
arguments: data_label: D403
type: byte[4]
name: read_data
arguments: data_label: D30
type: byte[4]
name: read_data
arguments: data_label: D12
type: byte[4]
name: read_data
arguments: data_label: D303
type: byte[4]
name: read_data
arguments: data_label: D361
type: byte[4]
name: read_data
arguments: data_label: D436
type: byte[4]
name: read_data
arguments: data_label: D341
type: byte[4]
name: read_data
arguments: data_label: D334
type: byte[4]

tool: {"D370": [0x00,0x00,0x70,0xc1]}

tool: D479: 15

tool: D205: 2

tool: D288: 1

tool: D308: 18

tool: {"D160": [0xfe,0xd4,0x8f,0x41]}

tool: {"D149": [0xfb,0x42,0xc1,0x3b]}

tool: {"D398": [0x8c,0x89,0x2d,0xbc]}

tool: {"D238": [0x6c,0x7a,0x20,0xbc]}

tool: {"D194": [0xc6,0x91,0x8f,0x3c]}

tool: {"D447": [0xcb,0xfc,0x76,0x40]}

tool: {"D44": [0x1b,0x4a,0x68,0x3d]}

tool: {"D414": [0x61,0x58,0xe9,0x3f]}

tool: {"D394": [0x36,0x06,0xca,0xbc]}

tool: {"D99": [0xd4,0x77,0xad,0x3b]}

tool: {"D360": [0x93,0x60,0x4a,0x3a]}

tool: {"D75": [0xa5,0x14,0x91,0xbf]}

tool: {"D534": [0xfb,0xf0,0x4e,0xbd]}

tool: {"D243": [0x73,0x69,0x91,0xc0]}

tool: {"D167": [0x19,0xb5,0xea,0x3f]}

tool: {"D291": [0x4f,0xae,0xba,0x3c]}

tool: {"D206": [0x40,0x93,0xfa,0x3c]}

tool: {"D369": [0x7c,0x8f,0x10,0xbd]}

tool: {"D23": [0x85,0x7d,0xca,0xc0]}

tool: {"D235": [0x5d,0x31,0xed,0x40]}

tool: {"D408": [0xa6,0xb6,0x3a,0xc0]}

tool: {"D190": [0xf8,0x9e,0x59,0xc0]}

tool: {"D441": [0xcb,0xfc,0xf6,0x40]}

tool: {"D404": [0xbb,0x02,0x8c,0x3d]}

tool: {"D279": [0x61,0x58,0xe9,0x40]}

tool: {"D312": [0x36,0x06,0x4a,0xbd]}

tool: {"D415": [0x24,0xde,0x97,0xc1]}

tool: {"D340": [0x5d,0x31,0x6d,0x41]}

tool: {"D73": [0xfb,0xf0,0xce,0xbd]}

tool: {"D115": [0x1b,0x4a,0xe8,0x3d]}

tool: {"D403": [0x4f,0xae,0x3a,0x3d]}

tool: {"D30": [0x40,0x93,0xfa,0x3d]}

tool: {"D12": [0x7c,0x8f,0x10,0xbe]}

tool: {"D303": [0x73,0x69,0x11,0xc1]}

tool: {"D361": [0xd3,0x07,0xb0,0x40]}

tool: {"D436": [0x85,0x7d,0x4a,0xc1]}

tool: {"D341": [0x06,0xe5,0xb1,0x41]}

tool: {"D334": [0xa6,0xb6,0x3a,0xc1]}

assistant: ```c
float target_phi(float *x, float *dx, int m) {
  int ncoeff = 20;
  float avdat = 0.7720074E-03;
  float xmin[10] = {-0.15000E+02, -0.15000E+02, -0.18000E+02, -0.18023E+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, 0.17979E+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] = {0.54136845E-09, 0.52938256E-02, 0.58978773E-02, -0.10591876E-01, -0.97948126E-02, 0.17525565E-01, -0.11334425E+01, -0.50522786E-01, 0.38591793E+01, 0.56711297E-01, -0.45441222E+01, 0.18336517E+01, 0.22788195E-01, 0.30587792E-01, 0.18230096E+01, -0.24661165E-01, -0.35293087E-01, -0.63278222E+01, 0.74122758E+01, -0.29173980E+01, 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 x13 = x12 * x1;
  float x14 = x13 * x1;
  float x21 = x2;
  float x22 = x21 * x2;
  float x23 = x22 * x2;
  float x24 = x23 * x2;
  float x31 = x3;
  float x32 = x31 * x3;
  float x33 = x32 * x3;
  float x34 = x33 * x3;
  float x41 = x4;
  float v_target_phi = avdat + coeff[0] + coeff[1] * x31 + coeff[2] * x11 * x21 + coeff[3] * x21 * x31 + coeff[4] * x11 * x41 + coeff[5] * x31 * x41 + coeff[6] * x13 + coeff[7] * x11 * x22;
  v_target_phi = v_target_phi + coeff[8] * x12 * x31 + coeff[9] * x22 * x31 + coeff[10] * x11 * x32 + coeff[11] * x33 + coeff[12] * x13 * x22 + coeff[13] * x11 * x24 + coeff[14] * x14 * x31 + coeff[15] * x12 * x22 * x31 + coeff[16] * x24 * x31;
  v_target_phi = v_target_phi + coeff[17] * x13 * x32 + coeff[18] * x12 * x33 + coeff[19] * x11 * x34;
  float dxall = 0 + dx1 + dx2 + dx3 + dx4;
  float dv_target_phi = dxall == 0 ? 0 : sqrt(+dx1 * dx1 * pow(0 + coeff[2] * x21 + coeff[4] * x41 + 3 * coeff[6] * x12 + coeff[7] * x22 + 2 * coeff[8] * x11 * x31 + coeff[10] * x32 + 3 * coeff[12] * x12 * x22 + coeff[13] * x24 + 4 * coeff[14] * x13 * x31 + 2 * coeff[15] * x11 * x22 * x31 + 3 * coeff[17] * x12 * x32 + 2 * coeff[18] * x11 * x33 + coeff[19] * x34, 2) + dx2 * dx2 * pow(0 + coeff[2] * x11 + coeff[3] * x31 + 2 * coeff[7] * x21 * x11 + 2 * coeff[9] * x21 * x31 + 2 * coeff[12] * x21 * x13 + 4 * coeff[13] * x23 * x11 + 2 * coeff[15] * x21 * x12 * x31 + 4 * coeff[16] * x23 * x31, 2) + dx3 * dx3 * pow(0 + coeff[1] + coeff[3] * x21 + coeff[5] * x41 + coeff[8] * x12 + coeff[9] * x22 + 2 * coeff[10] * x31 * x11 + 3 * coeff[11] * x32 + coeff[14] * x14 + coeff[15] * x12 * x22 + coeff[16] * x24 + 2 * coeff[17] * x31 * x13 + 3 * coeff[18] * x32 * x12 + 4 * coeff[19] * x33 * x11, 2) + dx4 * dx4 * pow(0 + coeff[4] * x11 + coeff[5] * x31, 2));
  dx[0] = dv_target_phi;
  return v_target_phi;
}
```