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

```asm
<GPS_Math_EckertIV_LatLon_To_EN>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xe0,%rsp
  movsd  %xmm0,-0x98(%rbp)
  movsd  %xmm1,-0xa0(%rbp)
  mov    %rdi,-0xa8(%rbp)
  mov    %rsi,-0xb0(%rbp)
  movsd  %xmm2,-0xb8(%rbp)
  movsd  %xmm3,-0xc0(%rbp)
  movsd  %xmm4,-0xc8(%rbp)
  movsd  %xmm5,-0xd0(%rbp)
  movsd  %xmm6,-0xd8(%rbp)
  mov    -0xa0(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0xa0(%rbp)
  mov    -0x98(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x98(%rbp)
  mov    -0xb8(%rbp),%rax
  movq   %rax,%xmm0
  call   <GPS_Math_Deg_To_Rad@plt>
  movq   %xmm0,%rax
  mov    %rax,-0xb8(%rbp)
  movsd  D7(%rip),%xmm0
  movsd  %xmm0,-0x78(%rbp)
  movsd  D132(%rip),%xmm0
  movsd  %xmm0,-0x70(%rbp)
  movsd  -0xb8(%rbp),%xmm0
  comisd D36(%rip),%xmm0
  jbe    L19
  movsd  -0xb8(%rbp),%xmm0
  subsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,-0xb8(%rbp)
L19:
  movsd  -0xd0(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x68(%rbp)
  movsd  -0xd8(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x60(%rbp)
  movsd  -0x68(%rbp),%xmm0
  subsd  -0x60(%rbp),%xmm0
  divsd  -0x68(%rbp),%xmm0
  movsd  %xmm0,-0x58(%rbp)
  movsd  -0x58(%rbp),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  -0x58(%rbp),%xmm0
  mulsd  -0x50(%rbp),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x58(%rbp),%xmm0
  movsd  D40(%rip),%xmm2
  movapd %xmm0,%xmm1
  divsd  %xmm2,%xmm1
  movsd  D35(%rip),%xmm0
  subsd  %xmm1,%xmm0
  movsd  -0x50(%rbp),%xmm2
  movsd  D146(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  D26(%rip),%xmm2
  divsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0x48(%rbp),%xmm2
  movsd  D149(%rip),%xmm1
  mulsd  %xmm2,%xmm1
  movsd  D145(%rip),%xmm2
  divsd  %xmm2,%xmm1
  subsd  %xmm1,%xmm0
  movsd  -0xd0(%rbp),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  -0x40(%rbp),%xmm1
  movsd  D51(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  -0x40(%rbp),%xmm1
  movsd  D192(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x98(%rbp),%xmm0
  movsd  D20(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x90(%rbp)
  movsd  D35(%rip),%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  D2(%rip),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x98(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x20(%rbp)
  movsd  -0xa0(%rbp),%xmm0
  subsd  -0xb8(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
  movsd  -0x80(%rbp),%xmm0
  comisd D36(%rip),%xmm0
  jbe    L27
  movsd  -0x80(%rbp),%xmm0
  subsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
L27:
  movsd  D94(%rip),%xmm0
  comisd -0x80(%rbp),%xmm0
  jbe    L11
  movsd  -0x80(%rbp),%xmm0
  addsd  -0x78(%rbp),%xmm0
  movsd  %xmm0,-0x80(%rbp)
L11:
  jmp    L40
L18:
  mov    -0x90(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x90(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movapd %xmm0,%xmm1
  addsd  -0x90(%rbp),%xmm1
  movsd  -0x18(%rbp),%xmm0
  addsd  %xmm0,%xmm0
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x70(%rbp),%xmm1
  movsd  D20(%rip),%xmm0
  addsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x20(%rbp),%xmm1
  movsd  -0x8(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movq   D61(%rip),%xmm1
  xorpd  %xmm0,%xmm1
  movsd  -0x10(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  movsd  -0x10(%rbp),%xmm3
  movsd  D35(%rip),%xmm0
  addsd  %xmm3,%xmm0
  mulsd  %xmm0,%xmm2
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,-0x88(%rbp)
  movsd  -0x90(%rbp),%xmm0
  addsd  -0x88(%rbp),%xmm0
  movsd  %xmm0,-0x90(%rbp)
L40:
  movsd  -0x88(%rbp),%xmm0
  movq   D30(%rip),%xmm1
  andpd  %xmm1,%xmm0
  comisd -0x28(%rbp),%xmm0
  ja     L18
  movsd  -0x38(%rbp),%xmm0
  mulsd  -0x80(%rbp),%xmm0
  movsd  %xmm0,-0xe0(%rbp)
  mov    -0x90(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movsd  D35(%rip),%xmm1
  addsd  %xmm1,%xmm0
  mulsd  -0xe0(%rbp),%xmm0
  addsd  -0xc0(%rbp),%xmm0
  mov    -0xa8(%rbp),%rax
  movsd  %xmm0,(%rax)
  mov    -0x90(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  mulsd  -0x30(%rbp),%xmm0
  addsd  -0xc8(%rbp),%xmm0
  mov    -0xb0(%rbp),%rax
  movsd  %xmm0,(%rax)
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D7
datatype: byte[8]
name: retrieve_data
arguments: tag: D132
datatype: byte[8]
name: retrieve_data
arguments: tag: D36
datatype: f64[2]
name: retrieve_data
arguments: tag: D40
datatype: f64
name: retrieve_data
arguments: tag: D35
datatype: f64
name: retrieve_data
arguments: tag: D146
datatype: f64
name: retrieve_data
arguments: tag: D26
datatype: f64
name: retrieve_data
arguments: tag: D149
datatype: f64
name: retrieve_data
arguments: tag: D145
datatype: f64
name: retrieve_data
arguments: tag: D51
datatype: f64
name: retrieve_data
arguments: tag: D192
datatype: f64
name: retrieve_data
arguments: tag: D20
datatype: f64
name: retrieve_data
arguments: tag: D2
datatype: byte[8]
name: retrieve_data
arguments: tag: D94
datatype: byte[8]
name: retrieve_data
arguments: tag: D61
datatype: byte[8]
name: retrieve_data
arguments: tag: D30
datatype: qword

tool: {"D7": [0x1e,0x26,0x44,0x54,0xfb,0x21,0x19,0x40]}

tool: {"D132": [0x1e,0x26,0x44,0x54,0xfb,0x21,0xf9,0x3f]}

tool: {"D36": [3.141592653589,6.0]}

tool: D40: 6

tool: D35: 1

tool: D146: 17

tool: D26: 360

tool: D149: 67

tool: D145: 3024

tool: D51: 0.4222382

tool: D192: 1.3265004

tool: D20: 2

tool: {"D2": [0x39,0xfe,0xdd,0xe8,0x1a,0xaa,0x00,0x3e]}

tool: {"D94": [0x1e,0x26,0x44,0x54,0xfb,0x21,0x09,0xc0]}

tool: {"D61": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80]}

tool: D30: 9223372036854775807

assistant: ```c
void GPS_Math_EckertIV_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 Ra0;
  double Ra1;
  double po2;
  double p2;
  double Ra;
  double phis;
  double theta;
  double dtheta;
  double thetas;
  double thetac;
  double n;
  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.);
  Ra0 = Ra * (double)0.4222382;
  Ra1 = Ra * (double)1.3265004;
  theta = phi / (double)2.;
  dtheta = (double)1.;
  tol = (double)4.85e-10;
  phis = sin(phi);
  dlam = lambda - M0;
  if (dlam > 3.141592653589)
    dlam -= p2;
  if (dlam < -3.141592653589)
    dlam += p2;
  while (fabs(dtheta) > tol) {
    thetas = sin(theta);
    thetac = cos(theta);
    n = theta + thetas * thetac + (double)2. * thetas;
    dtheta = -(n - ((double)2. + po2) * phis) / ((double)2. * thetac * ((double)1. + thetac));
    theta += dtheta;
  }
  *E = Ra0 * dlam * ((double)1. + cos(theta)) + E0;
  *N = Ra1 * sin(theta) + N0;
  return;
}
```