My tools of the trade for python programming.
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/*
$Id: compress_errorbar.cc,v 1.1 2010-10-19 20:19:25 wirawan Exp $
Date: 20101007
Wirawan Purwanto
Small C++ utility to quickly compress an errorbar.
*/
#include <cstdio>
#include "cp.inc/pcharlib.cpp"
#include "cp.inc/pcharconv.cpp"
using namespace std;
int main(int argc, char *argv[], char *env[])
{
double v, e;
int errdigits = 2;
if (argc < 3)
{
fprintf(stderr, "Minimum of two arguments required.\n");
return 2;
}
if (EOF == sscanf(argv[1], "%lg", &v))
{
fprintf(stderr, "Invalid value: %s", argv[1]);
return 1;
}
if (EOF == sscanf(argv[2], "%lg", &e))
{
fprintf(stderr, "Invalid errorbar: %s", argv[2]);
return 1;
}
if (argc > 3)
{
if (EOF == sscanf(argv[3], "%d", &errdigits))
{
fprintf(stderr, "Invalid errorbar digits: %s", argv[3]);
return 1;
}
}
avgtostr compress_errorbar;
fputs(+compress_errorbar(v, e, errdigits), stdout);
fputs("\n", stdout);
return 0;
}