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Diffstat (limited to 'ext/bigdecimal/bigdecimal_en.html')
-rw-r--r-- | ext/bigdecimal/bigdecimal_en.html | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/ext/bigdecimal/bigdecimal_en.html b/ext/bigdecimal/bigdecimal_en.html index c2b86faef6..02c88df43e 100644 --- a/ext/bigdecimal/bigdecimal_en.html +++ b/ext/bigdecimal/bigdecimal_en.html @@ -379,7 +379,7 @@ after every n digits for readability. <CODE><PRE> BigDecimal("0.1234567890123456789").to_s(10) # ==> "0.1234567890 123456789E0" </PRE></CODE> -n can be a string representing a positive integer number. +n can be an string representing a positive integer number. <CODE><PRE> BigDecimal("0.1234567890123456789").to_s("10") # ==> "0.1234567890 123456789E0" </PRE></CODE> @@ -678,9 +678,10 @@ structure. </DL> <H3>Disadvantage of decimal representation</H3> -Because most computers have no internal decimal representaion. -Once you use BigDecimal,you need to keep using it without -considering computation cost if exact computation is required. +Advantages stated so far can also be disadvantages if the input from outside is + represented in binary. +Translation error from decimal to binary or vice versa is inevitable. +So,translation from Float(binary) to BigDecimal(decimal) is not alway done exactly. <H4>Which is the first input?</H4> Because most people uses decimal notatin for numeric data representation, |