| from typing import Dict, Any |
|
|
|
|
| def validate_inputs(alpha: float, beta: float, D: float, k: float, R0: float, T: float, n: int, tol: float, eps: float) -> Dict[str, Any]: |
| errs = [] |
|
|
| def _pos(name, x): |
| if x is None: |
| errs.append(f"{name} is required.") |
| return |
| try: |
| xv = float(x) |
| except Exception: |
| errs.append(f"{name} must be numeric.") |
| return |
| if xv <= 0: |
| errs.append(f"{name} must be > 0.") |
|
|
| |
| _pos("alpha", alpha) |
| _pos("beta", beta) |
| if D is None: |
| errs.append("D is required.") |
| else: |
| try: |
| Dv = float(D) |
| if Dv < 0: |
| errs.append("D must be >= 0.") |
| except Exception: |
| errs.append("D must be numeric.") |
|
|
| if k is None: |
| errs.append("k is required.") |
| else: |
| try: |
| kv = float(k) |
| if kv < 0: |
| errs.append("k must be >= 0.") |
| except Exception: |
| errs.append("k must be numeric.") |
|
|
| _pos("R0", R0) |
| _pos("T", T) |
|
|
| if n is None: |
| errs.append("n is required.") |
| else: |
| try: |
| nv = int(n) |
| if nv < 200: |
| errs.append("n must be >= 200 for stable plots.") |
| except Exception: |
| errs.append("n must be an integer.") |
|
|
| if tol is None: |
| errs.append("tol is required.") |
| else: |
| try: |
| tv = float(tol) |
| if tv < 0: |
| errs.append("tol must be >= 0.") |
| except Exception: |
| errs.append("tol must be numeric.") |
|
|
| _pos("eps", eps) |
|
|
| return {"ok": len(errs) == 0, "errors": errs} |
