user: What would the C source look like for the assembly code provided here?

```asm
<Yanggradient>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x78,%rsp
  mov    %edi,-0x44(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %rdx,-0x58(%rbp)
  movsd  %xmm0,-0x60(%rbp)
  mov    %rcx,-0x68(%rbp)
  mov    %r8,-0x70(%rbp)
  mov    %r9,-0x78(%rbp)
  mov    -0x78(%rbp),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x44(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x30(%rbp)
  movsd  D5(%rip),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  -0x28(%rbp),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  cmpl   $0x0,0x10(%rbp)
  je     L32
  movl   $0x0,-0x40(%rbp)
  jmp    L151
L168:
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  je     L34
  movl   $0x0,-0x3c(%rbp)
  jmp    L146
L134:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rax,%rdx
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x3c(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movsd  (%rax),%xmm0
  movsd  %xmm0,(%rdx)
  addl   $0x1,-0x3c(%rbp)
L146:
  mov    -0x3c(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L134
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  movq   %rax,%xmm0
  call   <fabs@plt>
  add    $0x1,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  -0x28(%rbp),%xmm0
  movq   %xmm0,%rax
  movsd  D18(%rip),%xmm0
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <pow@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  subsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  addsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  comisd %xmm1,%xmm0
  jbe    L46
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  addsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x30(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movq   %xmm0,%rax
  movq   %rax,%xmm1
  subsd  -0x60(%rbp),%xmm1
  movsd  -0x18(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  jmp    L34
L46:
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  comisd %xmm1,%xmm0
  jbe    L10
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  subsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x38(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movsd  -0x60(%rbp),%xmm1
  subsd  %xmm0,%xmm1
  movsd  -0x18(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  jmp    L34
L10:
  mov    -0x30(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movq   %xmm0,%rbx
  mov    -0x38(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movq   %rbx,%xmm1
  subsd  %xmm0,%xmm1
  movsd  -0x18(%rbp),%xmm0
  movapd %xmm0,%xmm2
  addsd  %xmm0,%xmm2
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  %xmm2,%xmm1
  movapd %xmm1,%xmm0
  movsd  %xmm0,(%rax)
L34:
  addl   $0x1,-0x40(%rbp)
L151:
  mov    -0x40(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L168
  jmp    L122
L32:
  movl   $0x0,-0x40(%rbp)
  jmp    L156
L18:
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  je     L99
  movl   $0x0,-0x3c(%rbp)
  jmp    L158
L75:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rax,%rdx
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x3c(%rbp)
L158:
  mov    -0x3c(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L75
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  movq   %rax,%xmm0
  call   <fabs@plt>
  add    $0x1,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  -0x20(%rbp),%xmm0
  movq   %xmm0,%rax
  movsd  D18(%rip),%xmm0
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <pow@plt>
  addsd  %xmm0,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  -0x18(%rbp),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  comisd %xmm1,%xmm0
  jbe    L40
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  subsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x30(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movapd %xmm0,%xmm1
  movsd  -0x60(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  jmp    L99
L40:
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  addsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  mov    -0x30(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rax,%rdi
  call   *%rdx
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  subsd  -0x60(%rbp),%xmm0
  mov    -0x40(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  divsd  -0x18(%rbp),%xmm0
  movsd  %xmm0,(%rax)
L99:
  addl   $0x1,-0x40(%rbp)
L156:
  mov    -0x40(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L18
L122:
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D5
data_type: byte[8]
name: retrieve_data
arguments: tag: D18
data_type: f64

tool: {"D5": [0x3a,0x8c,0x30,0xe2,0x8e,0x79,0x45,0x3e]}

tool: D18: 0.67

assistant: ```c
void Yanggradient(int n, const double x[], const int need[], double f0, double g[], double (*fun)(const double x[]), double space[], int central, const double *lowbound, const double *upbound) {
  int i, j;
  double *x0 = space, *x1 = space + n, eh0, eh01, eh;
  eh0 = eh01 = 1.e-8;
  if (central) {
    for (i = 0; i < n; i++) {
      if (need[i]) {
        for (j = 0; j < n; j++)
          x0[j] = x1[j] = x[j];
        eh = pow(eh01 * (fabs(x[i]) + 1), 0.67);
        x0[i] -= eh;
        x1[i] += eh;
        if (x0[i] < lowbound[i]) {
          x1[i] += eh;
          g[i] = ((*fun)(x1)-f0) / (eh * 2.0);
        } else if (x1[i] > upbound[i]) {
          x0[i] -= eh;
          g[i] = (f0 - (*fun)(x0)) / (eh * 2.0);
        } else
          g[i] = ((*fun)(x1) - (*fun)(x0)) / (eh * 2.0);
      }
    }
  } else {
    for (i = 0; i < n; i++) {
      if (need[i]) {
        for (j = 0; j < n; j++)
          x1[j] = x[j];
        eh = 2.0 * pow(eh0 * (fabs(x[i]) + 1), 0.67);
        if (x1[i] + eh > upbound[i]) {
          x1[i] -= eh;
          g[i] = (f0 - (*fun)(x1)) / eh;
        } else {
          x1[i] += eh;
          g[i] = ((*fun)(x1)-f0) / eh;
        }
      }
    }
  }
}
```