428b481b87
compression-to-string (ad hoc implementation is written in C++ with the help of my cp.inc library, unfortunately).
57 lines
1.0 KiB
C++
57 lines
1.0 KiB
C++
/*
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$Id: compress_errorbar.cc,v 1.1 2010-10-19 20:19:25 wirawan Exp $
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Date: 20101007
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Wirawan Purwanto
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Small C++ utility to quickly compress an errorbar.
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*/
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#include <cstdio>
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#include "cp.inc/pcharlib.cpp"
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#include "cp.inc/pcharconv.cpp"
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using namespace std;
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int main(int argc, char *argv[], char *env[])
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{
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double v, e;
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int errdigits = 2;
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if (argc < 3)
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{
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fprintf(stderr, "Minimum of two arguments required.\n");
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return 2;
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}
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if (EOF == sscanf(argv[1], "%lg", &v))
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{
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fprintf(stderr, "Invalid value: %s", argv[1]);
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return 1;
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}
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if (EOF == sscanf(argv[2], "%lg", &e))
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{
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fprintf(stderr, "Invalid errorbar: %s", argv[2]);
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return 1;
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}
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if (argc > 3)
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{
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if (EOF == sscanf(argv[3], "%d", &errdigits))
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{
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fprintf(stderr, "Invalid errorbar digits: %s", argv[3]);
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return 1;
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}
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}
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avgtostr compress_errorbar;
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fputs(+compress_errorbar(v, e, errdigits), stdout);
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fputs("\n", stdout);
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return 0;
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}
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