43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//===- fpcmp.cpp - A fuzzy "cmp" that permits floating point noise --------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// fpcmp is a tool that basically works like the 'cmp' tool, except that it can
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// tolerate errors due to floating point noise, with the -r and -a options.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileUtilities.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace llvm;
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namespace {
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cl::opt<std::string>
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File1(cl::Positional, cl::desc("<input file #1>"), cl::Required);
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cl::opt<std::string>
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File2(cl::Positional, cl::desc("<input file #2>"), cl::Required);
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cl::opt<double>
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RelTolerance("r", cl::desc("Relative error tolerated"), cl::init(0));
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cl::opt<double>
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AbsTolerance("a", cl::desc("Absolute error tolerated"), cl::init(0));
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}
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int main(int argc, char **argv) {
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cl::ParseCommandLineOptions(argc, argv);
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std::string ErrorMsg;
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int DF = DiffFilesWithTolerance(File1, File2, AbsTolerance, RelTolerance,
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&ErrorMsg);
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if (!ErrorMsg.empty())
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errs() << argv[0] << ": " << ErrorMsg << "\n";
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return DF;
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}
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