def getBaseNDigits( n, base, dropZeroes = False ):
digits = convertToBaseN( n, base, outputBaseDigits=True )
result = [ ]
for c in digits:
if dropZeroes and c == 0:
continue
result.append( c )
return result
def formatNumber( number, outputRadix, leadingZero, integerGrouping ):
negative = ( number < 0 )
if outputRadix == g.fibBase:
strInteger = convertToFibBase( floor( number ) )
strMantissa = ''
elif outputRadix == g.phiBase:
strInteger, strMantissa = convertToNonintegerBase( number, phi )
elif outputRadix == g.eBase:
strInteger, strMantissa = convertToNonintegerBase( number, e )
elif outputRadix == g.piBase:
strInteger, strMantissa = convertToNonintegerBase( number, pi )
elif outputRadix == g.sqrt2Base:
strInteger, strMantissa = convertToNonintegerBase( number, sqrt( 2 ) )
elif outputRadix < 0: # these mean special bases, not negative numbers
strInteger = convertToSpecialBase( floor( number ), specialBaseFunctions[ outputRadix ] )
strMantissa = ''
elif ( outputRadix != 10 ) or ( g.numerals != g.defaultNumerals ):
strInteger = str( convertToBaseN( floor( number ), outputRadix, g.outputBaseDigits, g.numerals ) )
strMantissa = str( convertFractionToBaseN( frac( number ), outputRadix,
int( mp.dps / math.log10( outputRadix ) ),
g.outputBaseDigits ) )
else:
strNumber = nstr( number, n = g.outputAccuracy, min_fixed=-inf )
if '.' in strNumber:
decimal = strNumber.find( '.' )
else:
decimal = len( strNumber )
strInteger = strNumber[ 1 if negative else 0 : decimal ]
strMantissa = strNumber[ decimal + 1 : ]
if strMantissa == '0':
strMantissa = ''
elif ( strMantissa != '' ) and ( g.outputAccuracy == -1 ):
strMantissa = strMantissa.rstrip( '0' )
if integerGrouping > 0:
firstDelimiter = len( strInteger ) % integerGrouping
if leadingZero and firstDelimiter > 0:
integerResult = '0' * ( integerGrouping - firstDelimiter )
else:
integerResult = ''
integerResult += strInteger[ : firstDelimiter ]
for i in range( firstDelimiter, len( strInteger ), integerGrouping ):
if integerResult != '':
integerResult += g.integerDelimiter
integerResult += strInteger[ i : i + integerGrouping ]
else:
integerResult = strInteger
if g.decimalGrouping > 0:
mantissaResult = ''
for i in range( 0, len( strMantissa ), g.decimalGrouping ):
if mantissaResult != '':
mantissaResult += g.decimalDelimiter
mantissaResult += strMantissa[ i : i + g.decimalGrouping ]
else:
mantissaResult = strMantissa
result = integerResult
if mantissaResult != '':
result += '.' + mantissaResult
return result, negative
