[PATCH] wcoercion(2): detect real is integer

[Manuel López-Ibáñez]

Patch from the Wcoercion Project
http://gcc.gnu.org/wiki/Wcoercion#Background

This patch adds a new function that detects when a real value can be
exactly represented as an integer. This function will be used by the next patch.

Bootstrapped and tested with --enable-languages=all for trunk revision
1118055 on i686-pc-linux-gnu

:ADDPATCH c/middle-end:


Manuel Lopez-Ibanez  <lopezibanez@gmail.com>

	* real.h (real_isinteger): Declare.
	* real.c (real_isinteger): Define.
	* builtins.c (integer_valued_real_p): Use it.
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