Changeset 2459 in lmdz_wrf

Timestamp:

Apr 23, 2019, 2:31:25 PM (6 years ago)

Author:

lfita

Message:

Adding:

• `leapyr': Function to determine if it is a leap year (independently of datetime)

File:

• trunk/tools/generic_tools.py (modified) (2 diffs)

trunk/tools/generic_tools.py

@@ -142 +142 @@
 # latex_text: Function to transform a text to LaTeX following style rules
 # Latin_Greek: Function to pass an ASCII latin character to its equivalent greek
+# leapyr: Function to determine if it is a leap year (independently of datetime)
 # leapdays: Function to provide how many leap days are between two years
 # linearint_weights: Function to provide the weights for a linear interpolation of a value between a couple of values as a weighted distance mean
@@ -15803 +15804 @@
 #        print '  ' , '(', inds[i,j,0], ',', inds[i,j,1], ')'
 
+def leapyr(yr):
+    """ Function to determine if it is a leap year (independently of datetime)
+    FROM: https://en.wikipedia.org/wiki/Leap_year
+      yr: year to check
+    >>> leapyr(2019)
+    False
+    >>> leapyr(1976)
+    True
+    >>> leapyr(1800)
+    False
+    >>> leapyr(1850)
+    False
+    """
+    fname = 'leapyr'
+
+    isleap = False
+    if np.mod(yr,4) == 0: isleap = True
+    if np.mod(yr,100) == 0: isleap = False
+    if np.mod(yr,400) == 0: isleap = True
+
+    return isleap
+
 def fix_CFdates(timevals, origcftimeu, origcal,                                      \
   newcftimeu= 'hours since 1949-12-01 00:00:00', newcal='gregorian'):