Parameters & Returns
Parameters
Returns
Quick Summary
Reads a 64-bit double from a file.
Takes a file handle.
Returns a 64-bit double-precision floating-point value, or 0.0 if the handle is invalid or end of file is reached.
Technical Exegesis...
Reads a 64-bit double-precision floating-point value from the file at the current position and advances the position by 8 bytes (sizeof(double)). Returns 0.0 if the handle is invalid or end of file is reached.
Reads the data in native binary format. Useful for reading binary data files containing floating-point numbers.