re PR libfortran/43298 (fortran library does not read in NaN -Inf or Inf)

2010-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/43298
	* gfortran.dg/read_infnan_1.f90: New test.

From-SVN: r161586

gcc/testsuite/ChangeLog

+2010-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libfortran/43298
+	* gfortran.dg/read_infnan_1.f90: New test.
+
 2010-06-29  Jason Merrill  <jason@redhat.com>
 
 	Enable implicitly declared move constructor/operator= (N3053).

gcc/testsuite/gfortran.dg/read_infnan_1.f90

+! { dg-do run }
+! { dg-add-options ieee }
+! { dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } }
+
+! PR43298  Fortran library does not read in NaN, NaN(), -Inf, or Inf
+
+! Formatted READ part of PR fortran/43298
+
+! Test case prepared by Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+program pr43298
+  real(4) :: x4(7)
+  real(8) :: x8(7)
+  character(80) :: output
+
+open(10, status='scratch')
+!                0123456789012345678901234567890123456789012345678901234567890123456789
+write(10,'(a)') "inf           nan   infinity  NaN(dx)      -INf    NAN       InFiNiTy"
+rewind(10)
+x4 = 0.0_4
+x8 = 0.0_8
+read(10,'(7f10.3)') x4
+rewind(10)
+read(10,'(7f10.3)') x8
+write (output, '("x4 =",7G6.0)') x4
+if (output.ne."x4 =  +Inf   NaN  +Inf   NaN  -Inf   NaN  +Inf") call abort
+write (output, '("x8 =",7G6.0)') x8
+if (output.ne."x8 =  +Inf   NaN  +Inf   NaN  -Inf   NaN  +Inf") call abort
+!print '("x4 =",7G6.0)', x4
+!print '("x8 =",7G6.0)', x8
+end program pr43298
+