diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 b/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 new file mode 100644 index 000000000..655f6514c --- /dev/null +++ b/gcc/testsuite/gfortran.dg/integer_exponentiation_4.f90 @@ -0,0 +1,46 @@ +! { dg-do compile } +! { dg-options "" } +program test + implicit none + +!!!!!! INTEGER BASE !!!!!! + print *, 0**0 + print *, 0**1 + print *, 0**(-1) ! { dg-error "Division by zero" } + print *, 0**(huge(0)) + print *, 0**(-huge(0)-1) ! { dg-error "Division by zero" } + print *, 0**(2_8**32) + print *, 0**(-(2_8**32)) ! { dg-error "Division by zero" } + + print *, 1**huge(0) + print *, 1**(-huge(0)-1) + print *, 1**huge(0_8) + print *, 1**(-huge(0_8)-1_8) + print *, (-1)**huge(0) + print *, (-1)**(-huge(0)-1) + print *, (-1)**huge(0_8) + print *, (-1)**(-huge(0_8)-1_8) + + print *, 2**huge(0) ! { dg-error "Arithmetic overflow" } + print *, 2**huge(0_8) ! { dg-error "Arithmetic overflow" } + print *, (-2)**huge(0) ! { dg-error "Arithmetic overflow" } + print *, (-2)**huge(0_8) ! { dg-error "Arithmetic overflow" } + + print *, 2**(-huge(0)-1) + print *, 2**(-huge(0_8)-1_8) + print *, (-2)**(-huge(0)-1) + print *, (-2)**(-huge(0_8)-1_8) + +!!!!!! REAL BASE !!!!!! + print *, 0.0**(-1) ! { dg-error "Arithmetic overflow" } + print *, 0.0**(-huge(0)-1) ! { dg-error "Arithmetic overflow" } + print *, 2.0**huge(0) ! { dg-error "Arithmetic overflow" } + print *, nearest(1.0,-1.0)**(-huge(0)) ! { dg-error "Arithmetic overflow" } + +!!!!!! COMPLEX BASE !!!!!! + print *, (2.0,-4.3)**huge(0) ! { dg-error "Arithmetic overflow" } + print *, (2.0,-4.3)**huge(0_8) ! { dg-error "Arithmetic overflow" } + print *, (2.0,-4.3)**(-huge(0)) + print *, (2.0,-4.3)**(-huge(0_8)) + +end program test |