Integer Division

Confusion often arises about integer division; in short, division of two integers produces an integer result by truncation (towards zero). Consider,

    REAL a, b, c, d, e
    a = 1999/1000
    b = -1999/1000
    c = (1999+1)/1000
    d = 1999.0/1000
    e = 1999/1000.0

• a is (about) 1.000
• b is (about) -1.000
• c is (about) 2.000
• d is (about) 1.999
• e is (about) 1.999

Great care must be taken when using mixed type arithmetic.

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