WFDB Applications Guide - PhysioNet
WFDB Applications Guide - PhysioNet
WFDB Applications Guide - PhysioNet
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LOG10(1) <strong>WFDB</strong> <strong>Applications</strong> <strong>Guide</strong> LOG10(1)<br />
NAME<br />
log10 − calculate common logarithms of two-column data<br />
SYNOPSIS<br />
log10<br />
DESCRIPTION<br />
log10 reads its standard input, which should be in text form and should contain two positive numbers (x and<br />
y) oneach line, separated by spaces or tabs. The standard output of log10 contains four columns of numbers,<br />
separated by spaces: the common (base 10) logarithms of x and y, and the x and y values. To avoid<br />
underflow, if any input is less than MINDOUBLE (defined in as the smallest positive value<br />
that can be represented as a double-precision floating point quantity), it is replaced by that value.<br />
AUTHOR<br />
George B. Moody (george@mit.edu)<br />
SOURCE<br />
http://www.physionet.org/physiotools/wfdb/psd/log10.c<br />
38 30 July 2002 <strong>WFDB</strong> 10.2.7
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