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+?RCS: $Id$
+?RCS:
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
+?RCS: as specified in the README file that comes with the distribution.
+?RCS: You may reuse parts of this distribution only within the terms of
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?RCS:
+?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu>
+?RCS:
+?RCS: $Log: d_drem.U,v $
+?RCS: Revision 3.0.1.1 1994/10/29 16:12:14 ram
+?RCS: patch36: created by ADO
+?RCS:
+?MAKE:d_drem: Trylink cat
+?MAKE: -pick add $@ %<
+?S:d_drem:
+?S: This variable conditionally defines the HAS_DREM symbol, which
+?S: indicates to the C program that the drem() routine is available.
+?S:.
+?C:HAS_DREM :
+?C: This symbol, if defined, indicates that the drem routine is
+?C: available. This routine is roughly the same as fmod, i.e. it
+?C: computes the remainder r=x-n*y, where n=rint(x/y), whereas fmod
+?C: uses n=trunc(x/y).
+?C:.
+?H:#$d_drem HAS_DREM /**/
+?H:.
+?LINT:set d_drem
+: see if drem exists
+$cat >try.c <<EOC
+#include <math.h>
+int main(void)
+{
+ static double x, y, ret;
+ ret = 1.0 * drem(x, y);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=drem
+set d_drem '-lm'
+eval $trylink
+