| ! { dg-do run } |
| ! { dg-add-options ieee } |
| ! |
| ! List-directed part of PR fortran/43298 |
| ! and follow up to PR fortran/34319. |
| ! |
| ! Check handling of "NAN(alphanum)" |
| ! |
| character(len=200) :: str |
| real :: r |
| complex :: z |
| |
| ! read_real: |
| |
| r = 1.0 |
| str = 'INfinity' ; read(str,*) r |
| if (r < 0 .or. r /= r*1.1) STOP 1 |
| |
| r = 1.0 |
| str = '-INF' ; read(str,*) r |
| if (r > 0 .or. r /= r*1.1) STOP 2 |
| |
| r = 1.0 |
| str = '+INF' ; read(str,*) r |
| if (r < 0 .or. r /= r*1.1) STOP 3 |
| |
| r = 1.0 |
| str = '-inFiniTY' ; read(str,*) r |
| if (r > 0 .or. r /= r*1.1) STOP 4 |
| |
| r = 1.0 |
| str = 'NAN' ; read(str,*) r |
| if (.not. isnan(r)) STOP 5 |
| |
| r = 1.0 |
| str = '-NAN' ; read(str,*) r |
| if (.not. isnan(r)) STOP 6 |
| |
| r = 1.0 |
| str = '+NAN' ; read(str,*) r |
| if (.not. isnan(r)) STOP 7 |
| |
| r = 1.0 |
| str = 'NAN(0x111)' ; read(str,*) r |
| if (.not. isnan(r)) STOP 8 |
| |
| r = 1.0 |
| str = '-NAN(123)' ; read(str,*) r |
| if (.not. isnan(r)) STOP 9 |
| |
| r = 1.0 |
| str = '+NAN(0xFFE)' ; read(str,*) r |
| if (.not. isnan(r)) STOP 10 |
| |
| |
| ! parse_real |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(0.0,INfinity)' ; read(str,*) z |
| if (aimag(z) < 0 .or. aimag(z) /= aimag(z)*1.1) STOP 11 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(-INF,0.0)' ; read(str,*) z |
| if (real(z) > 0 .or. real(z) /= real(z)*1.1) STOP 12 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(0.0,+INF)' ; read(str,*) z |
| if (aimag(z) < 0 .or. aimag(z) /= aimag(z)*1.1) STOP 13 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(-inFiniTY,0.0)' ; read(str,*) z |
| if (real(z) > 0 .or. real(z) /= real(z)*1.1) STOP 14 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(NAN,0.0)' ; read(str,*) z |
| if (.not. isnan(real(z))) STOP 15 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(0.0,-NAN)' ; read(str,*) z |
| if (.not. isnan(aimag(z))) STOP 16 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(+NAN,0.0)' ; read(str,*) z |
| if (.not. isnan(real(z))) STOP 17 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(NAN(0x111),0.0)' ; read(str,*) z |
| if (.not. isnan(real(z))) STOP 18 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(0.0,-NaN(123))' ; read(str,*) z |
| if (.not. isnan(aimag(z))) STOP 19 |
| |
| z = cmplx(-2.0,-4.0) |
| str = '(+nan(0xFFE),0.0)' ; read(str,*) z |
| if (.not. isnan(real(z))) STOP 20 |
| |
| end |