|  |  D.2.11.22 hasTransExtensionCoefficient Procedure from libraryring.lib(see  ring_lib).
 
Example:Usage:
hasTransExtensionCoefficient ( rng );
Return:
1 if the coefficients are rational functions, 0 otherwise.
 |  | LIB "ring.lib";
ring rng = integer,x,dp;
hasTransExtensionCoefficient(rng); //no
==> 0
ring rng2 = (0,a), x, dp;
hasTransExtensionCoefficient(rng2);  // yes
==> 1
ring rng3=(49,a),x,dp;
hasTransExtensionCoefficient(rng3);  // no
==> 0
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