Double precision floating-point (DOUBLE or FLOAT)

A double precision floating-point number is a long (64 bits) floating-point number.

DOUBLE and FLOAT are not supported by SQL for COBOL.

The range of double precision floating-point numbers is about -7.2E+75 to 7.2E+75. In this range, the largest negative value is about -5.4E-79, and the smallest positive value is about 5.4E-079.