def terra(unit):
"""si prefix"""
return core.factor_unit(1.e12,
unit,
name='terra' + unit.name,
symbol='T' + unit.symbol)
def mega(unit):
"""si prefix"""
return core.factor_unit(1.e6,
unit,
name='mega' + unit.name,
symbol='M' + unit.symbol)
def giga(unit):
"""si prefix"""
return core.factor_unit(1.e9,
unit,
name='giga' + unit.name,
symbol='G' + unit.symbol)
def hecto(unit):
"""si prefix"""
return core.factor_unit(100.,
unit,
name='hecto' + unit.name,
symbol='h' + unit.symbol)
def kilo(unit):
"""si prefix"""
return core.factor_unit(1000.,
unit,
name='kilo' + unit.name,
symbol='k' + unit.symbol)
def zetta(unit):
"""si prefix"""
return core.factor_unit(1.e21,
unit,
name='zetta' + unit.name,
symbol='Z' + unit.symbol)
def centi(unit):
"""si prefix"""
return core.factor_unit(0.01,
unit,
name='centi' + unit.name,
symbol='c' + unit.symbol)
def atto(unit):
"""si prefix"""
return core.factor_unit(1.e-18,
unit,
name='atto' + unit.name,
symbol='a' + unit.symbol)
def zepto(unit):
"""si prefix"""
return core.factor_unit(1.e-21,
unit,
name='zepto' + unit.name,
symbol='z' + unit.symbol)
def pico(unit):
"""si prefix"""
return core.factor_unit(1.e-12,
unit,
name='pico' + unit.name,
symbol='p' + unit.symbol)
def femto(unit):
"""si prefix"""
return core.factor_unit(1.e-15,
unit,
name='femto' + unit.name,
symbol='f' + unit.symbol)
def nano(unit):
"""si prefix"""
return core.factor_unit(1.e-9,
unit,
name='nano' + unit.name,
symbol='n' + unit.symbol)
def micro(unit):
"""si prefix"""
return core.factor_unit(1.e-6,
unit,
name='micro' + unit.name,
symbol='mu' + unit.symbol)
def milli(unit):
"""si prefix"""
return core.factor_unit(0.001,
unit,
name='milli' + unit.name,
symbol='m' + unit.symbol)
def peta(unit):
"""si prefix"""
return core.factor_unit(1.e15,
unit,
name='peta' + unit.name,
symbol='P' + unit.symbol)
def yocto(unit):
"""si prefix"""
return core.factor_unit(1.e-24,
unit,
name='yocto' + unit.name,
symbol='y' + unit.symbol)
def exa(unit):
"""si prefix"""
return core.factor_unit(1.e18,
unit,
name='exa' + unit.name,
symbol='E' + unit.symbol)
def deca(unit):
"""si prefix"""
return core.factor_unit(10.,
unit,
name='deca' + unit.name,
symbol='da' + unit.symbol)
def yotta(unit):
"""si prefix"""
return core.factor_unit(1.e24,
unit,
name='yotta' + unit.name,
symbol='Y' + unit.symbol)
def deci(unit):
"""si prefix"""
return core.factor_unit(0.1,
unit,
name='deci' + unit.name,
symbol='d' + unit.symbol)
