fix decimal hours in workdaydefinition

payroll.py

@@ -18,7 +18,7 @@ from .exceptions import (PayrollDeleteError, PayrollPeriodCloseError,
 
 STATES = {'readonly': (Eval('state') != 'draft')}
 
-_DEFAULT_WORK_DAY = 8
+_DEFAULT_WORK_DAY = 7.8336
 
 _ZERO = Decimal('0.0')
 

position.py

@@ -48,7 +48,7 @@ class WorkdayDefinition(ModelSQL, ModelView):
     __name__ = 'staff.workday_definition'
     position = fields.Many2One('staff.position', 'Position',
             required=True, ondelete='CASCADE')
-    workday = fields.Numeric('Workday',  digits=(2, 2), required=True)
+    workday = fields.Numeric('Workday',  digits=(6, 4), required=True)
     restday = fields.Numeric('Restday',  digits=(2, 2), required=True)
     weekday = fields.Selection([
             ('monday', 'Monday'),