class_docstr: : A matplotlib converter class.  Provides matplotlib conversion
  functionality for Monte Epoch and Duration classes.
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docstr: : Convert a matplotlib floating-point date into an Epoch of the
       specified units.
  
  = INPUT VARIABLES
  - value    The matplotlib floating-point date.
  - unit     The unit system to use for the Epoch.
  
  = RETURN VALUE
  - Returns the value converted to an Epoch in the specified time system.
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code: def float2epoch(value, unit):
      """: Convert a matplotlib floating-point date into an Epoch of the
           specified units.
  
      = INPUT VARIABLES
      - value    The matplotlib floating-point date.
      - unit     The unit system to use for the Epoch.
  
      = RETURN VALUE
      - Returns the value converted to an Epoch in the specified time system.
      """
      # Delay-load due to circular dependencies.
      import matplotlib.testing.jpl_units as U
  
      secPastRef = value * 86400.0 * U.UnitDbl(1.0, "sec")
      return U.Epoch(unit, secPastRef, EpochConverter.jdRef)
  
file_path: catboost/contrib/python/matplotlib/py2/matplotlib/testing/jpl_units/EpochConverter.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import matplotlib.units
  import matplotlib.dates
  from matplotlib.cbook import iterable
label_desc: Use image node_id 2 for calling the EpochConverter obj's underlying member method code with example usage: obj.float2epoch(value, unit) and returns: U