sr_expr.h 530 B

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  1. /* $Id$ */
  2. /*
  3. * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  4. * See the copyright notice in the ACK home directory, in the file "Copyright".
  5. */
  6. /* S T R E N G T H R E D U C T I O N
  7. *
  8. * S R _ E X P R . H
  9. *
  10. */
  11. extern bool is_ivexpr();/* (line_p l; lset ivs,vars; line_p *lbegin; iv_p *iv;
  12. * int *out_sign)
  13. * Try to recognize an expression that is a linear
  14. * function of presicely one induction variable.
  15. * It may only use loop constants (besides the
  16. * induc. var.).
  17. */