(**SPARC only**) A quad complex constant` @` is an ordered pair of real or integer constants, where one of the constants is `REAL*16`, and the other is `INTEGER`, `REAL*4`, `REAL*8`, or `REAL*16`. `@`

The constants are separated by a comma, and the pair is enclosed in parentheses. The first constant is the real part, and the second is the imaginary part. A quad complex constant, `COMPLEX*32` `@`, uses 32 bytes of storage.

Example: Quad complex constants (**SPARC only**):

( 9.01Q6, .603 ) ( +1.0, -2.0Q0 ) ( 1Q0, 2 ) ( 3.3Q-4932, 9 ) ( 1, 1.1Q+4932 ) ( 4.51Q6, )Invalid-need second part( +1.0, -2.0 )Not quad complex -need a REAL*16

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