Once you have an extended-precision unsigned decimal output routine, writing an extended-precision signed decimal output routine is very easy. The basic algorithm takes the following form: 1. Check the sign of the number. 2. If it is positive, call the unsigned output routine to print it. If the number is negative, print a minus sign. Then negate the number and call the unsigned output routine to print it.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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urgent explanation !!
Once you have an extended-precision unsigned decimal output routine,
writing an extended-precision signed decimal output routine is very easy. The
basic algorithm takes the following form:
1. Check the sign of the number.
2. If it is positive, call the unsigned output routine to print it. If the number
is negative, print a minus sign. Then negate the number and call the
unsigned output routine to print it.
Transcribed Image Text:Once you have an extended-precision unsigned decimal output routine, writing an extended-precision signed decimal output routine is very easy. The basic algorithm takes the following form: 1. Check the sign of the number. 2. If it is positive, call the unsigned output routine to print it. If the number is negative, print a minus sign. Then negate the number and call the unsigned output routine to print it.
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