gmp_sign
Sign of number
&reftitle.description;
intgmp_sign
GMPa
Checks the sign of a number.
&reftitle.parameters;
a
&gmp.parameter;
&reftitle.returnvalues;
Returns 1 if a is positive,
-1 if a is negative,
and 0 if a is zero.
&reftitle.examples;
<function>gmp_sign</function> example
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&reftitle.seealso;
gmp_abs
abs