Reducing the decimal points of numbers (3d coordinates) in a file; how to input data to e.g. Python
I have a file full of coordinates of the form:
The numbers don't always have the same number of decimal points. I need to reduce the decimal points of all the numbers (there are 128 rows of 3 numbers) to 2.
I have tried to do this using Python but keep encountering obstacles when trying to use simple scripts I've found online surrounding the conversion/interpretation of the file itself. I don't seem to be able to input the numbers in the file as floats, or list(s) thereof.
I don't really want someone to write something for me; I'd like to try to understand the principle behind what it is I need to do, as a beginner to the language. Any help would be greatly appreciated.
Last edited by bartus11; 04-04-2014 at 12:16 PM..
Reason: Please use [code][/code] tags.
hi all,
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#!/bin/bash
if ]
then
file=$1
else
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exit;
fi
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Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
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while read id fraction
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Discussion started by: nans
2 Replies
LEARN ABOUT HPUX
hppaccvbd
hppac(3X)hppac(3X)NAME
hppac: HPPACADDD(), HPPACCMPD(), HPPACCVAD(), HPPACCVBD(), HPPACCVDA(), HPPACCVDB(), HPPACDIVD(), HPPACLONGDIVD(), HPPACMPYD(), HPPAC-
NSLD(), HPPACSLD(), HPPACSRD(), HPPACSUBD() - HP 3000-mode packed-decimal library
SYNOPSIS DESCRIPTION
This set of calls invokes the library functions for emulating 3000-mode (MPE V/E) packed-decimal operations. These functions are in
library which is searched when the option is used with or ld(1).
Performs packed-decimal addition.
Compares two packed-decimal numbers.
Converts an ASCII representation to packed-decimal.
Converts a binary representation to packed-decimal.
Converts a packed-decimal number to ASCII.
Converts a packed-decimal number to binary.
Performs packed-decimal division.
Performs packed-decimal division (alternate routine).
Performs packed-decimal multiplication.
Performs a packed-decimal normalizing left shift.
Performs a packed-decimal left shift.
Performs a packed-decimal right shift.
Performs packed-decimal subtraction.
For all operations, the value returned in the variable to which the compcode argument points is one of the following values of type
Result > 0 or operand1 > operand2
Result < 0 or operand1 < operand2
Result == 0 or operand1 == operand2
For all operations, the value returned in the variable to which the pacstatus argument points is one of the following values of type Their
meanings are intended to be obvious:
AUTHOR
The HPPAC library was developed by HP.
SEE ALSO
PA-RISC Systems Only hppac(3X)