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Commit 479a2fc1 authored by arq5x's avatar arq5x
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[ENH] add -prec to control decimal point precision in groupby

parent c7c90785
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Inline Side-by-side
src/groupBy/groupBy.cpp
View file @ 479a2fc1
......@@ -31,9 +31,6 @@ Licenced under the MIT license.
using namespace std;
const int PRECISION = 21;
// define our program name
#define PROGRAM_NAME "bedtools groupby"
// define our parameter checking macro
......@@ -45,7 +42,7 @@ void groupby_help(void);
void GroupBy(const string &inFile, const vector<int> &groupColumns,
const vector<int> &opColumns, const vector<string> &ops,
const bool printOriginalLine, const bool printHeaderLine,
const bool InputHaveHeaderLine, const bool ignoreCase);
const bool InputHaveHeaderLine, const bool ignoreCase, int precision);
void PrintHeaderLine(const vector<string> &InputFields,
const vector<int> &groupColumns,
......@@ -56,7 +53,8 @@ void PrintHeaderLine(const vector<string> &InputFields,
void ReportSummary(const vector<string> &group,
const vector<vector<string> > &data,
const vector<string> &ops);
const vector<string> &ops,
int precision);
void addValue (const vector<string> &fromList,
vector<string> &toList,
......@@ -84,6 +82,7 @@ int groupby_main(int argc, char* argv[]) {
bool printHeaderLine = false;
bool InputHaveHeaderLine = false;
bool ignoreCase = false;
int precision = 5;
// check to see if we should print out some help
if(argc <= 1) showHelp = true;
......@@ -173,6 +172,20 @@ int groupby_main(int argc, char* argv[]) {
else if(PARAMETER_CHECK("-ignorecase", 11, parameterLength)) {
ignoreCase = true;
}
else if (PARAMETER_CHECK("-prec", 5, parameterLength))
{
if ((i+1) >= argc || LOOKS_LIKE_A_PARAM(argv[i+1])) {
cerr << endl
<< "*****ERROR: -prec parameter requires a value."
<< endl << endl;
groupby_help();
break;
}
else {
precision = atoi(argv[i + 1]);
i++;
}
}
else {
cerr << endl
<< "*****ERROR: Unrecognized parameter: "
......@@ -270,7 +283,7 @@ int groupby_main(int argc, char* argv[]) {
}
GroupBy(inFile, groupColumnsInt, opColumnsInt, ops,
printOriginalLine, printHeaderLine, InputHaveHeaderLine,
ignoreCase);
ignoreCase, precision);
}
else {
groupby_help();
......@@ -328,6 +341,8 @@ void groupby_help(void) {
cerr << "\t-ignorecase\t" << "Group values regardless of upper/lower case." << endl << endl;
cerr << "\t-prec\t" << "Sets the decimal precision for output (Default: 5)" << endl << endl;
cerr << "Examples: " << endl;
cerr << "\t$ cat ex1.out" << endl;
cerr << "\tchr1 10 20 A chr1 15 25 B.1 1000 ATAT" << endl;
......@@ -361,7 +376,8 @@ void GroupBy (const string &inFile,
const bool printOriginalLine,
const bool printHeaderLine,
const bool InputHaveHeaderLine,
const bool ignoreCase) {
const bool ignoreCase,
int precision) {
// current line number
int lineNum = 0;
......@@ -424,7 +440,7 @@ void GroupBy (const string &inFile,
if ((currGroup != prevGroup) && (prevGroup.size() > 0)) {
// Summarize this group
ReportSummary(printOriginalLine?inFieldsFirstLineInGroup:prevGroup,
values, ops);
values, ops, precision);
// reset and add the first value for the next group.
values.clear();
for( size_t i = 0; i < opColumns.size(); i++ ) {
......@@ -449,14 +465,15 @@ void GroupBy (const string &inFile,
}
// report the last group
ReportSummary(printOriginalLine?inFieldsFirstLineInGroup:currGroup,
values, ops);
values, ops, precision);
_tab->Close();
}
void ReportSummary(const vector<string> &group,
const vector<vector<string> > &data,
const vector<string> &ops)
const vector<string> &ops,
int precision)
{
vector<string> result;
......@@ -471,7 +488,7 @@ void ReportSummary(const vector<string> &group,
VectorOps vo(data[i]);
if (op == "sum") {
buffer << setprecision (PRECISION) << vo.GetSum();
buffer << setprecision (precision) << vo.GetSum();
result.push_back(buffer.str());
}
else if (op == "collapse") {
......@@ -484,27 +501,27 @@ void ReportSummary(const vector<string> &group,
result.push_back(vo.GetConcat());
}
else if (op == "min") {
buffer << setprecision (PRECISION) << vo.GetMin();
buffer << setprecision (precision) << vo.GetMin();
result.push_back(buffer.str());
}
else if (op == "max") {
buffer << setprecision (PRECISION) << vo.GetMax();
buffer << setprecision (precision) << vo.GetMax();
result.push_back(buffer.str());
}
else if (op == "mean") {
buffer << setprecision (PRECISION) << vo.GetMean();
buffer << setprecision (precision) << vo.GetMean();
result.push_back(buffer.str());
}
else if (op == "median") {
buffer << setprecision (PRECISION) << vo.GetMedian();
buffer << setprecision (precision) << vo.GetMedian();
result.push_back(buffer.str());
}
else if (op == "count") {
buffer << setprecision (PRECISION) << data[i].size();
buffer << setprecision (precision) << data[i].size();
result.push_back(buffer.str());
}
else if (op == "count_distinct") {
buffer << setprecision (PRECISION) << vo.GetCountDistinct();
buffer << setprecision (precision) << vo.GetCountDistinct();
result.push_back(buffer.str());
}
else if (op == "mode") {
......@@ -520,11 +537,11 @@ void ReportSummary(const vector<string> &group,
result.push_back(vo.GetFreqAsc());
}
else if (op == "stdev") {
buffer << setprecision (PRECISION) << vo.GetStddev();
buffer << setprecision (precision) << vo.GetStddev();
result.push_back(buffer.str());
}
else if (op == "sstdev") {
buffer << setprecision (PRECISION) << vo.GetSstddev();
buffer << setprecision (precision) << vo.GetSstddev();
result.push_back(buffer.str());
}
else if (op == "first") {
......
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