1.4.1.0 quanta.tos

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quanta.tos - Function

1.4.1 convert quantity to string
Description

tos converts a quantity to a string with the precision defined with the setformat(’prec’) (which defaults to 9). If the optional prec argument is set to an integer value greater than 1, that precision is used in the conversion

Arguments


Inputs
v	value
	allowed:	any
	Default:	variant
prec	convert precision of value
	allowed:	int
	Default:	9

Returns
string

Example

"""
#
print "\t----\t tos Ex 1 \t----"
a = qa.quantity(’2.56 yd/s’)
print a
#{’value’: 2.5600000000000001, ’unit’: ’yd/s’}
print qa.tos(a)
#2.560000000yd/s
a=qa.quantity(1./7, ’km/s’)
print qa.tos(a)
#0.142857143km/s
print qa.tos(a,2)
#0.14km/s
print qa.tos(a,20)
#0.14285714285714284921km/s
print qa.tos(a)
#0.142857143km/s
#
"""

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