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Fix a bug where we would consider " .99" and "1.0" different because of the

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leading whitespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20647 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-17 04:49:04 +00:00
parent 986d99a6f8
commit c0d0e77042
1 changed files with 9 additions and 0 deletions
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9
lib/Support/FileUtilities.cpp
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@ -18,6 +18,7 @@
#include "llvm/ADT/StringExtras.h"
#include <cmath>
#include <cstring>
#include <cctype>
using namespace llvm;
static bool isNumberChar(char C) {
@ -47,6 +48,14 @@ static bool CompareNumbers(char *&F1P, char *&F2P, char *F1End, char *F2End,
std::string *ErrorMsg) {
char *F1NumEnd, *F2NumEnd;
double V1 = 0.0, V2 = 0.0;
// If one of the positions is at a space and the other isn't, chomp up 'til
// the end of the space.
while (isspace(*F1P) && F1P != F1End)
++F1P;
while (isspace(*F2P) && F2P != F2End)
++F2P;
// If we stop on numbers, compare their difference.
if (isNumberChar(*F1P) && isNumberChar(*F2P)) {
V1 = strtod(F1P, &F1NumEnd);