diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_set_exponent.f90')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_set_exponent.f90 | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_set_exponent.f90 b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_set_exponent.f90 new file mode 100644 index 000000000..6f934e591 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_set_exponent.f90 @@ -0,0 +1,87 @@ +!Program to test SET_EXPONENT intrinsic function. + +program test_set_exponent + call test_real4() + call test_real8() +end + +subroutine test_real4() + real*4 x,y + integer*4 i,n + equivalence(x, i) + + n = -148 + x = 1024.0 + y = set_exponent (x, n) + if ((y .ne. 0.0) .and. (exponent (y) .ne. n)) call abort() + + n = 8 + x = 1024.0 + y = set_exponent (x, n) + if (exponent (y) .ne. n) call abort() + + n = 128 + i = 8388607 + x = transfer (i, x) ! z'007fffff' Positive denormalized floating-point. + y = set_exponent (x, n) + if (exponent (y) .ne. n) call abort() + + n = -148 + x = -1024.0 + y = set_exponent (x, n) + if ((y .ne. 0.0) .and. (exponent (y) .ne. n)) call abort() + + n = 8 + x = -1024.0 + y = set_exponent (x, n) + if (y .ne. -128.0) call abort() + if (exponent (y) .ne. n) call abort() + + n = 128 + i = -2139095041 + x = transfer (i, x) ! z'807fffff' Negative denormalized floating-point. + y = set_exponent (x, n) + if (exponent (y) .ne. n) call abort() + +end + +subroutine test_real8() + implicit none + real*8 x, y + integer*8 i, n + equivalence(x, i) + + n = -1073 + x = 1024.0_8 + y = set_exponent (x, n) + if ((y .ne. 0.0_8) .and. (exponent (y) .ne. n)) call abort() + + n = 8 + x = 1024.0_8 + y = set_exponent (x, n) + if (y .ne. 128.0) call abort() + if (exponent (y) .ne. n) call abort() + + n = 1024 + i = 4503599627370495_8 + x = transfer (i, x) !z'000fffffffffffff' Positive denormalized floating-point. + y = set_exponent (x, n) + if (exponent (y) .ne. n) call abort() + + n = -1073 + x = -1024.0 + y = set_exponent (x, n) + if ((y .ne. 0.0) .and. (exponent (y) .ne. n)) call abort() + + n = 8 + x = -1024.0 + y = set_exponent (x, n) + if (y .ne. -128.0) call abort() + if (exponent (y) .ne. n) call abort() + + n = 1024 + i = -9218868437227405313_8 + x = transfer (i, x)!z'800fffffffffffff' Negative denormalized floating-point. + y = set_exponent (x, n) + if (exponent (y) .ne. n) call abort() +end |