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

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

From-SVN: r125110
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Tobias Burnus 2007-05-27 15:57:03 +02:00
parent fe67caf629
commit 3393588605
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gcc/testsuite/gfortran.dg/transfer_simplify_3.f90 Normal file
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! { 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