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erkobridee/aumento_reducao_percentual.py

Created February 1, 2012 01:56
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um calculo simples que usei para realizar ajustes nas dimensões de imagens
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aumento_reducao_percentual.py
import math
def aumentoPercentual(valorInicial, valorPercentual):
resultado = math.ceil( valorInicial * valorPercentual )
return valorInicial + resultado
def reducaoPercentual(valorInicial, valorPercentual):
resultado = math.ceil( valorInicial * valorPercentual )
return valorInicial - resultado
valor = 500
percentual = 0.30
print 'valor : ' + str(valor)
print 'valor + ' + str(percentual*100) + '% : ' + str(aumentoPercentual(valor, percentual))
print 'valor - ' + str(percentual*100) + '% : ' + str(reducaoPercentual(valor, percentual))
'''
valor : 500
valor + 30.0% : 650.0
valor - 30.0% : 350.0
'''
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