SQRT(III)                    3/15/72                    SQRT(III)
NAME
     sqrt - square root function
SYNOPSIS
     jsr  pc,sqrt
     double sqrt(x)
     double x;
DESCRIPTION
     The square root of fr0 (resp. x) is returned (in fr0).
DIAGNOSTICS
     The  c-bit  is  set on negative arguments and 0 is returned.
     There is no error return for C programs.
BUGS
     No error return from C.
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