[hamradio-commits] [gnss-sdr] 152/251: ensure that an index cannot be negative

[Carles Fernandez]

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carles_fernandez-guest pushed a commit to branch master
in repository gnss-sdr.

commit f243455c1874de0ef411d50908d61cf1723b45e0
Author: Carles Fernandez <carles.fernandez at gmail.com>
Date:   Fri May 29 18:45:39 2015 +0200

    ensure that an index cannot be negative
---
 src/algorithms/PVT/libs/rinex_printer.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/algorithms/PVT/libs/rinex_printer.h b/src/algorithms/PVT/libs/rinex_printer.h
index a7573ff..604309d 100644
--- a/src/algorithms/PVT/libs/rinex_printer.h
+++ b/src/algorithms/PVT/libs/rinex_printer.h
@@ -530,8 +530,8 @@ inline std::string& Rinex_Printer::sci2for(std::string& aStr,
         {
             redoexp = true;
             // Swap digit and decimal.
-            aStr[idx] = aStr[idx - 1];
-            aStr[idx - 1] = '.';
+            aStr[static_cast<unsigned int>(idx)] = aStr[static_cast<unsigned int>(idx - 1)];
+            aStr[static_cast<unsigned int>(idx - 1)] = '.';
             // Only add one to the exponent if the number is non-zero
             if (asDouble(aStr.substr(startPos, length)) != 0.0)
                 expAdd = 1;

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