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[gfortran,patch] Add ISNAN intrinsic

From: FX Coudert <fxcoudert at gmail dot com>
To: Fortran List <fortran at gcc dot gnu dot org>, gcc-patches list <gcc-patches at gcc dot gnu dot org>
Date: Sat, 4 Aug 2007 22:40:08 +0100
Subject: [gfortran,patch] Add ISNAN intrinsic

This patch adds an ISNAN intrinsic as a GNU extension, since others compilers have it (ifort, g95, sunf95, sgi) and some code relies on it (http://www.libatoms.org/). The patch is simple, comes with a testcase and documentation written by Tobias Burnus (slightly modified by me).

Regtested on x86_64-linux, OK to commit?
FX

:ADDPATCH fortran:

Attachment: isnan.ChangeLog
Description: Binary data

Attachment: isnan.diff
Description: Binary data

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