(svn add was forgotten)

2007-05-27  Tobias Burnus  <burnus@net-b.de>

        PR middle-end/32083
        * gfortran.dg/transfer_simplify_3.f90: New.

From-SVN: r125110

diff --git a/gcc/testsuite/gfortran.dg/transfer_simplify_3.f90 b/gcc/testsuite/gfortran.dg/transfer_simplify_3.f90
new file mode 100644 (file)
index 0000000..43ca197
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/transfer_simplify_3.f90
@@ -0,0 +1,53 @@
+! { dg-do run }
+! { dg-options "-fno-range-check" }
+! PR fortran/32083
+!
+! Test transfers of +Inf and -Inf
+! Testcase contributed by Jos de Kloe <kloedej@knmi.nl>
+!
+
+PROGRAM TestInfinite
+  IMPLICIT NONE
+  integer, parameter :: i8_ = Selected_Int_Kind(18)  ! = integer*8
+  integer, parameter :: r8_ = Selected_Real_Kind(15,307)  ! = real*8
+
+  integer(i8_), parameter :: bit_pattern_PosInf_i8_p = 9218868437227405312_i8_
+  integer(i8_), parameter :: bit_pattern_NegInf_i8_p = -4503599627370496_i8_
+
+  integer(i8_) :: bit_pattern_PosInf_i8 = 9218868437227405312_i8_
+  integer(i8_) :: bit_pattern_NegInf_i8 = -4503599627370496_i8_
+
+  integer(i8_) :: bit_pattern_PosInf_i8_hex
+  integer(i8_) :: bit_pattern_NegInf_i8_hex
+
+  integer(i8_) :: i
+  real(r8_)    :: r
+
+  data bit_pattern_PosInf_i8_hex /z'7FF0000000000000'/
+  !data bit_pattern_NegInf_i8_hex /z'FFF0000000000000'/
+  ! not portable, replaced by:
+  bit_pattern_NegInf_i8_hex = ibset(bit_pattern_PosInf_i8_hex,63)
+
+  if (bit_pattern_NegInf_i8_hex /= bit_pattern_NegInf_i8) call abort()
+  if (bit_pattern_PosInf_i8_hex /= bit_pattern_PosInf_i8) call abort()
+
+  r = transfer(bit_pattern_PosInf_i8,r)
+  if (r /= 1.0_r8_/0.0_r8_) call abort()
+  i = transfer(r,i)
+  if (bit_pattern_PosInf_i8 /= i) call abort()  
+
+  r = transfer(bit_pattern_NegInf_i8,r)
+  if (r /= -1.0_r8_/0.0_r8_) call abort()
+  i = transfer(r,i)
+  if (bit_pattern_NegInf_i8 /= i) call abort()
+
+  r = transfer(bit_pattern_PosInf_i8_p,r)
+  if (r /= 1.0_r8_/0.0_r8_) call abort()
+  i = transfer(r,i)
+  if (bit_pattern_PosInf_i8_p /= i) call abort()
+
+  r = transfer(bit_pattern_NegInf_i8_p,r)
+  if (r /= -1.0_r8_/0.0_r8_) call abort()
+  i = transfer(r,i)
+  if (bit_pattern_NegInf_i8_p /= i) call abort()
+END PROGRAM TestInfinite