user: What is the c source code of the assembly code below?

```asm
<GPS_Math_EckertVI_LatLon_To_EN>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  movsd  %xmm0,-0x88(%rbp)
  movsd  %xmm1,-0x90(%rbp)
  mov    %rdi,-0x98(%rbp)
  mov    %rsi,-0xa0(%rbp)
  movsd  %xmm2,-0xa8(%rbp)
  movsd  %xmm3,-0xb0(%rbp)
  movsd  %xmm4,-0xb8(%rbp)
  movsd  %xmm5,-0xc0(%rbp)
  movsd  %xmm6,-0xc8(%rbp)
  mov    -0x90(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x90(%rbp)
  mov    -0x88(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x88(%rbp)
  mov    -0xa8(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0xa8(%rbp)
  movsd  D77(%rip),%xmm0
  movsd  %xmm0,-0x60(%rbp)
  movsd  D174(%rip),%xmm0
  movsd  %xmm0,-0x58(%rbp)
  movsd  -0xa8(%rbp),%xmm0
  comisd D42(%rip),%xmm0
  jbe    L1
  movsd  -0xa8(%rbp),%xmm0
  subsd  -0x60(%rbp),%xmm0
  movsd  %xmm0,-0xa8(%rbp)
L1:
  movsd  -0xc0(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  -0xc8(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x50(%rbp),%xmm0
  subsd  -0x48(%rbp),%xmm0
  divsd  -0x50(%rbp),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x40(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x40(%rbp),%xmm0
  mulsd  -0x38(%rbp),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x40(%rbp),%xmm0
  movsd  D9(%rip),%xmm2
  movapd %xmm0,%xmm1
  divsd  %xmm2,%xmm1
  movsd  D17(%rip),%xmm0
  subsd  %xmm1,%xmm0
  movsd  -0x38(%rbp),%xmm2
  movsd  D70(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  D74(%rip),%xmm2
  divsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0x30(%rbp),%xmm2
  movsd  D32(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  D2(%rip),%xmm2
  divsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0xc0(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movsd  D53(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  D17(%rip),%xmm0
  divsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x88(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,-0x78(%rbp)
  movsd  D17(%rip),%xmm0
  movsd  %xmm0,-0x70(%rbp)
  movsd  D56(%rip),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x90(%rbp),%xmm0
  subsd  -0xa8(%rbp),%xmm0
  movsd  %xmm0,-0x68(%rbp)
  movsd  -0x68(%rbp),%xmm0
  comisd D42(%rip),%xmm0
  jbe    L46
  movsd  -0x68(%rbp),%xmm0
  subsd  -0x60(%rbp),%xmm0
  movsd  %xmm0,-0x68(%rbp)
L46:
  movsd  D176(%rip),%xmm0
  comisd -0x68(%rbp),%xmm0
  jbe    L28
  movsd  -0x68(%rbp),%xmm0
  addsd  -0x60(%rbp),%xmm0
  movsd  %xmm0,-0x68(%rbp)
L28:
  jmp    L19
L0:
  mov    -0x78(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  addsd  -0x78(%rbp),%xmm0
  movsd  -0x58(%rbp),%xmm2
  movsd  D17(%rip),%xmm1
  addsd  %xmm2,%xmm1
  mulsd  -0x10(%rbp),%xmm1
  subsd  %xmm1,%xmm0
  movq   D163(%rip),%xmm1
  xorpd  %xmm1,%xmm0
  movsd  %xmm0,-0xd0(%rbp)
  mov    -0x78(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movsd  D17(%rip),%xmm1
  addsd  %xmm0,%xmm1
  movsd  -0xd0(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x70(%rbp)
  movsd  -0x78(%rbp),%xmm0
  addsd  -0x70(%rbp),%xmm0
  movsd  %xmm0,-0x78(%rbp)
L19:
  movsd  -0x70(%rbp),%xmm0
  movq   D160(%rip),%xmm1
  andpd  %xmm1,%xmm0
  comisd -0x8(%rbp),%xmm0
  ja     L0
  movsd  -0x20(%rbp),%xmm0
  mulsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0xd0(%rbp)
  mov    -0x78(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movsd  D17(%rip),%xmm1
  addsd  %xmm1,%xmm0
  mulsd  -0xd0(%rbp),%xmm0
  addsd  -0xb0(%rbp),%xmm0
  mov    -0x98(%rbp),%rax
  movsd  %xmm0,(%rax)
  movsd  -0x20(%rbp),%xmm0
  addsd  %xmm0,%xmm0
  mulsd  -0x78(%rbp),%xmm0
  addsd  -0xb8(%rbp),%xmm0
  mov    -0xa0(%rbp),%rax
  movsd  %xmm0,(%rax)
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D77
data_type: byte[8]
name: parse_data
arguments: tag: D174
data_type: byte[8]
name: parse_data
arguments: tag: D42
data_type: f64[2]
name: parse_data
arguments: tag: D9
data_type: f64
name: parse_data
arguments: tag: D17
data_type: f64
name: parse_data
arguments: tag: D70
data_type: f64
name: parse_data
arguments: tag: D74
data_type: f64
name: parse_data
arguments: tag: D32
data_type: f64
name: parse_data
arguments: tag: D2
data_type: f64
name: parse_data
arguments: tag: D53
data_type: byte[8]
name: parse_data
arguments: tag: D56
data_type: byte[8]
name: parse_data
arguments: tag: D176
data_type: byte[8]
name: parse_data
arguments: tag: D163
data_type: byte[8]
name: parse_data
arguments: tag: D160
data_type: qword

tool: {"D77": [0x1e,0x26,0x44,0x54,0xfb,0x21,0x19,0x40]}

tool: {"D174": [0x1e,0x26,0x44,0x54,0xfb,0x21,0xf9,0x3f]}

tool: {"D42": [3.141592653589,6.0]}

tool: D9: 6

tool: D17: 1

tool: D70: 17

tool: D74: 360

tool: D32: 67

tool: D2: 3024

tool: {"D53": [0x41,0x3d,0xa3,0x3f,0xdb,0x23,0x02,0x40]}

tool: {"D56": [0x39,0xfe,0xdd,0xe8,0x1a,0xaa,0x00,0x3e]}

tool: {"D176": [0x1e,0x26,0x44,0x54,0xfb,0x21,0x09,0xc0]}

tool: {"D163": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

tool: D160: 9223372036854775807

assistant: ```c
void GPS_Math_EckertVI_LatLon_To_EN(double phi, double lambda, double *E, double *N, double M0, double E0, double N0, double a, double b) {
  double a2;
  double b2;
  double e2;
  double e4;
  double e6;
  double Ra;
  double Rsq;
  double IRa;
  double po2;
  double p2;
  double phis;
  double theta;
  double dtheta;
  double dlam;
  double tol;
  lambda = GPS_Math_Deg_To_Rad(lambda);
  phi = GPS_Math_Deg_To_Rad(phi);
  M0 = GPS_Math_Deg_To_Rad(M0);
  p2 = (double)3.141592653589 * (double)2.;
  po2 = (double)3.141592653589 / (double)2.;
  if (M0 > 3.141592653589)
    M0 -= p2;
  a2 = a * a;
  b2 = b * b;
  e2 = (a2 - b2) / a2;
  e4 = e2 * e2;
  e6 = e2 * e4;
  Ra = a * ((double)1. - e2 / (double)6. - (double)17. * e4 / (double)360. - (double)67. * e6 / (double)3024.);
  Rsq = Ra / pow((double)2. + 3.141592653589, (double).5);
  IRa = (double)1. / Rsq;
  phis = sin(phi);
  theta = phi;
  dtheta = (double)1.;
  tol = (double)4.85e-10;
  dlam = lambda - M0;
  if (dlam > 3.141592653589)
    dlam -= p2;
  if (dlam < -3.141592653589)
    dlam += p2;
  while (fabs(dtheta) > tol) {
    dtheta = -(theta + sin(theta) - ((double)1. + po2) * phis) / ((double)1. + cos(theta));
    theta += dtheta;
  }
  *E = Rsq * dlam * ((double)1. + cos(theta)) + E0;
  *N = (double)2. * Rsq * theta + N0;
  return;
}
```