| is_advanced_tag | Function (ROM Call 0x2D0)

AMS 1.01 or higher | estack.h

short is_advanced_tag (ESQ Tag);

Checks whether a tag is an advanced tag.

is_advanced_tag returns TRUE if a byte Tag is an advanced tag, otherwise it returns FALSE. Advanced tags are all tags which do not represent a variable, a number (integer, fraction or float) or an expression which consists only of simple operations "+", "-", "*", "/" and "^" (including element-by-element versions "+.", "-.", "*.", "/." and "^.").

Uses: primary_tag_list
Used by: did_push_anti_deriv, did_push_series, push_1st_derivative, push_csolve, push_czeros, push_def_int, push_desolve, push_expand, push_factor, push_floor, push_lim, push_max, push_min, push_nsolve, push_phase, push_sin2, push_solve, push_zeros, did_push_to_polar, push_equals, push_exponentiate, push_greater_than, push_greater_than_or_equals, push_less_than, push_less_than_or_equals, push_negate, push_not_equals, push_product, push_sum, push_to_cylin, push_to_sphere, add_to_top, get_ub, push_but_term, push_constant_terms, push_dependent_terms, push_gcd_then_cofactors, push_independent_terms, push_make_proper, push_nonconstant_terms, push_poly_qr, push_standardize, replace_top_with_post_simplified, replace_top2_with_sum