vle-write-double-be

(vle-write-double-be fptr value)

writes a "double 64 bit" to file (same as C++ "double" type), for data stored in "Big Endian" byte sequence

Arguments	fptr file pointer as returned by (open <filename> "rb") value Lisp floating point value to write to file (must be in 64 bit floating point range)
Return	value, if successful, NIL otherwise