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forty_nine?

Decimal
examples
two point zero forty nine false
input
-2.0.forty_nine?
result
false
negative two point one check forty nine
input
-2.1.forty_nine?
result
false
negative one point zero check forty nine
input
-1.0.forty_nine?
result
false
negative one point one check forty nine
input
-1.1.forty_nine?
result
false
negative zero point one check forty nine
input
-0.1.forty_nine?
result
false
zero point zero check forty nine
input
0.0.forty_nine?
result
false
negative zero point one check forty nine
input
-0.1.forty_nine?
result
false
one point zero forty nine false
input
1.0.forty_nine?
result
false
negative one point one check forty nine
input
-1.1.forty_nine?
result
false
negative two point zero check
input
-2.0.forty_nine?
result
false
two point one forty nine
input
2.1.forty_nine?
result
false
forty nine check
input
49.0.forty_nine?
result
true
forty nine point one check
input
49.1.forty_nine?
result
false