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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Extreme-floating-point-values/Eiffel/extreme-floating-point-values.e Normal file
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class
APPLICATION
inherit
ARGUMENTS
create
make
feature {NONE} -- Initialization
make
-- Run application.
local
negInf, posInf, negZero, nan: REAL_64
do
negInf := -1. / 0. -- also {REAL_64}.negative_infinity
posInf := 1. / 0. -- also {REAL_64}.positive_infinity
negZero := -1. / posInf
nan := 0. / 0. -- also {REAL_64}.nan
print("Negative Infinity: ") print(negInf) print("%N")
print("Positive Infinity: ") print(posInf) print("%N")
print("Negative Zero: ") print(negZero) print("%N")
print("NaN: ") print(nan) print("%N%N")
print("1.0 + Infinity = ") print((1.0 + posInf)) print("%N")
print("1.0 - Infinity = ") print((1.0 - posInf)) print("%N")
print("-Infinity + Infinity = ") print((negInf + posInf)) print("%N")
print("-0.0 * Infinity = ") print((negZero * posInf)) print("%N")
print("NaN + NaN = ") print((nan + nan)) print("%N")
print("(NaN = NaN) = ") print((nan = nan)) print("%N")
print("(0.0 = -0.0) = ") print((0.0 = negZero)) print("%N")
end
end