fix(str): add consistent fixed and free format approach

closes #832
modflowpy · Mar 30, 2020 · 3a88368 · 3a88368
1 parent 5dd8e1e
commit 3a88368
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/flopy/utils/flopy_io.py b/flopy/utils/flopy_io.py
@@ -162,7 +162,12 @@ def write_fixed_var(v, length=10, ipos=None, free=False, comment=None):
             write_fmt = '{} '
         else:
             if isinstance(v[n], (float, np.float, np.float32, np.float64)):
-                ctype = 'g'
+                width = ipos[n] - 6
+                vmin, vmax = 10**-width, 10**width
+                if abs(v[n]) < vmin or abs(v[n]) > vmax:
+                    ctype = 'g'
+                else:
+                    ctype = '.{}f'.format(width)
             elif isinstance(v[n], (int, np.int, np.int32, np.int64)):
                 ctype = 'd'
             else: