| ! PR 25577 |
| ! MVBITS didn't work correctly for integer types wider than a C int |
| ! The testcase is based on the one Dale Ranta posted in the bug report |
| implicit none |
| integer(1) i1,j1 |
| integer(2) i2,j2 |
| integer(4) i4,j4 |
| integer(8) i8,j8 |
| integer ibits,n |
| |
| ibits=bit_size(1_1) |
| do n=1,ibits |
| i1=-1 |
| call mvbits(1_1, 0,n,i1,0) |
| j1=-1-2_1**n+2 |
| if(i1.ne.j1)call abort |
| enddo |
| ibits=bit_size(1_2) |
| do n=1,ibits |
| i2=-1 |
| call mvbits(1_2, 0,n,i2,0) |
| j2=-1-2_2**n+2 |
| if(i2.ne.j2)call abort |
| enddo |
| ibits=bit_size(1_4) |
| do n=1,ibits |
| i4=-1 |
| call mvbits(1_4, 0,n,i4,0) |
| j4=-1-2_4**n+2 |
| if(i4.ne.j4)call abort |
| enddo |
| ibits=bit_size(1_8) |
| do n=1,ibits |
| i8=-1 |
| call mvbits(1_8, 0,n,i8,0) |
| j8=-1-2_8**n+2 |
| if(i8.ne.j8)call abort |
| enddo |
| end |
