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Added optional argument to FileWvIn and FileLoop to distinguish int-to-float scaling from data normalization. The default values should produce the same behaviour as before.

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This commit is contained in:
Gary Scavone
2017-05-03 16:15:42 -04:00
parent 9966f06757
commit 9627701d04
4 changed files with 42 additions and 27 deletions
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16
include/FileLoop.h
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@@ -31,7 +31,8 @@ class FileLoop : protected FileWvIn
//! Class constructor that opens a specified file.
FileLoop( std::string fileName, bool raw = false, bool doNormalize = true,
unsigned long chunkThreshold = 1000000, unsigned long chunkSize = 1024 );
unsigned long chunkThreshold = 1000000, unsigned long chunkSize = 1024,
bool doInt2FloatScaling = true );
//! Class destructor.
~FileLoop( void );
@@ -40,13 +41,14 @@ class FileLoop : protected FileWvIn
/*!
Data from a previously opened file will be overwritten by this
function. An StkError will be thrown if the file is not found,
its format is unknown, or a read error occurs. If the file data
is to be loaded incrementally from disk and normalization is
specified, a scaling will be applied with respect to fixed-point
limits. If the data format is floating-point, no scaling is
performed.
its format is unknown, or a read error occurs. If the file length
is less than the chunkThreshold limit and \e doNormalize is true,
the file data will be normalized with respect to the maximum absolute
value of the data. If the \e doInt2FloatScaling flag is true and the
input data is fixed-point, a scaling will be applied with respect to
the fixed-point limits.
*/
void openFile( std::string fileName, bool raw = false, bool doNormalize = true );
void openFile( std::string fileName, bool raw = false, bool doNormalize = true, bool doInt2FloatScaling = true );
//! Close a file if one is open.
void closeFile( void ) { FileWvIn::closeFile(); };