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Change all `.f` suffixes to `.f90`. (The opposite was done in revision 82.) Because of change of philosopy in GNUmakefile: we already had a rewritten rule for `.f`, so it does not make the makefile longer to replace it by a rule for `.f90`. And it spares us options of makedepf90 and of the compiler. Also we prepare the way for a simpler `CMakeLists.txt`.
| 1 | module strlowercase_m |
| 2 | |
| 3 | implicit none |
| 4 | |
| 5 | contains |
| 6 | |
| 7 | != |
| 8 | SUBROUTINE strlowercase (str) |
| 9 | !--------------------------------------------------------------------- |
| 10 | !- Converts a string into lowercase |
| 11 | !--------------------------------------------------------------------- |
| 12 | IMPLICIT NONE |
| 13 | !- |
| 14 | CHARACTER(LEN=*) :: str |
| 15 | !- |
| 16 | INTEGER :: i,ic |
| 17 | !--------------------------------------------------------------------- |
| 18 | DO i=1,LEN_TRIM(str) |
| 19 | ic = IACHAR(str(i:i)) |
| 20 | IF ( (ic >= 65) .AND. (ic <= 90) ) str(i:i) = ACHAR(ic+32) |
| 21 | ENDDO |
| 22 | !----------------------------- |
| 23 | END SUBROUTINE strlowercase |
| 24 | |
| 25 | end module strlowercase_m |
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