FORTRAN 77 Language Reference

REAL*16 (Quad Real) @

(SPARC only) The REAL*16 data type is a quadruple-precision real. The size for a REAL*16 item is 16 bytes. A REAL*16 element has a sign bit, a 15-bit exponent, and a 112-bit fraction. These REAL*16 elements in f77 conform to the IEEE standard for extended precision.