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string_format_modulo.py

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print("%s" % 1.0)

print("%r" % 1.0)

print("%d" % 1.0)

print("%i" % 1.0)

print("%u" % 1.0)

# these 3 have different behaviour in Python 3.x versions

# uPy raises a TypeError, following Python 3.5 (earlier versions don't)

#print("%x" % 18.0)

#print("%o" % 18.0)

#print("%X" % 18.0)

print("%e" % 1.23456)

print("%E" % 1.23456)

print("%f" % 1.23456)

print("%F" % 1.23456)

print("%g" % 1.23456)

print("%G" % 1.23456)

print("%06e" % float("inf"))

print("%06e" % float("-inf"))

print("%06e" % float("nan"))

print("%02.3d" % 123) # prec > width

print("%+f %+f" % (1.23, -1.23)) # float sign

print("% f % f" % (1.23, -1.23)) # float space sign

print("%0f" % -1.23) # negative number with 0 padding

# numbers with large negative exponents

print('%f' % 1e-10)

print('%f' % 1e-20)

print('%f' % 1e-50)

print('%f' % 1e-100)

print('%f' % 1e-300)

# large decimal precision should be truncated and not overflow buffer

# the output depends on the FP calculation so only first 2 digits are printed

# (the 'g' with small e are printed using 'f' style, so need to be checked)

print(('%.40f' % 1e-300)[:2])

print(('%.40g' % 1e-1)[:2])

print(('%.40g' % 1e-2)[:2])

print(('%.40g' % 1e-3)[:2])

print(('%.40g' % 1e-4)[:2])

print("%.0g" % 1) # 0 precision 'g'

print('%.1e' % 9.99) # round up with positive exponent

print('%.1e' % 0.999) # round up with negative exponent