fixed filesize error in fromfile in support of Issue #219

Author: dpilger26

docs/markdown/ReleaseNotes.md

@@ -4,6 +4,7 @@
 
 * added `putAlongAxis()` for **Issue #217** <https://numpy.org/doc/stable/reference/generated/numpy.put_along_axis.html>
 * fixed random seeding for **Issue #218**
+* fixed error in `fromfile()` that limited filesize to 4GB for **Issue #219**
 
 ## Version 2.12.1
 

include/NumCpp/Functions/fromfile.hpp

@@ -66,7 +66,7 @@ namespace nc
         }
 
         file.seekg(0, std::ifstream::end);
-        const uint32 fileSize = static_cast<uint32>(file.tellg());
+        const auto fileSize = static_cast<uint64>(file.tellg());
         file.seekg(0, std::ifstream::beg);
 
         std::vector<char> fileBuffer;
@@ -75,7 +75,7 @@ namespace nc
 
         if (file.bad() || file.fail())
         {
-            THROW_INVALID_ARGUMENT_ERROR("error occured while reading the file");
+            THROW_INVALID_ARGUMENT_ERROR("error occured while reading the file\n");
         }
 
         file.close();