Fix out of bounds exception.

radixio/spectrumpcfstream.i.hh

@@ -375,14 +375,14 @@ bool SpectrumPCFStream<data_type>::write_to(const std::string &file) const
     stream.writeString(" ", 512 - stream.bytesWritten());
 
     // Write the pairs themselves
-    for (size_t column = 0; column < 2; ++column)
+    for (size_t column = 0; column < 20; ++column)
     {
       radix("      ");
       for (size_t panel = 0; panel < 8; ++panel)
       {
         for (size_t mca = 0; mca < 8; ++mca)
         {
-          for (size_t pair = 0; pair < 20; ++pair)
+          for (size_t pair = 0; pair < 2; ++pair)
           {
             stream.writeFloat(
                 mData->deviationPairEnergies()[column][panel][mca][pair]);