Beginning with SAS^® Version 7, the BINARYw. format was changed to be more consistent with the HEXw. format. When the HEXw. format uses a width of 16, (corresponding to 8 bytes of data), it produces a hexadecimal representation of the floating point value. The BINARYw. format changed so that widths of 57-64 produce a binary representation of the floating point value, since widths of 57-64 correspond to 8 bytes of data.

To represent an 8 byte integer in binary using a width of 64, first create a character variable using the PUT function and the S370FIB8. format, then use the $BINARY64. format with the PUT function to store the value in binary representation of the full 64 bytes. For example:

  BIN_64=PUT(PUT(VALUE,S370FIB8.),$BINARY64.);

To represent the value using widths of 57-63, first convert the value as shown above using the full width of 64 and then use the SUBSTR function to extract the value in the width desired. For example:

  BIN_57_63=SUBSTR(BIN_64,64-w+1,w);  /* where w is the width desired */

Note that the S370FIB8. format should be used on all operating systems so that the order of the bytes remains consistent with the BINARYw. format.

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