What do the dots mean in the following code?
IF ((TAU.GE.dts).AND.(TAU.LE.(dts+dth))) THEN
a = b+c
END
Before Fortran90, the dots were required around operators. You can now use the >=
instead of .GE.
and <=
instead of .LE.
. Being one of the oldest languages, there are a lot of things still carried through and supported - spacing and operators are definitely among the more interesting features.
Fortran90 New Features (see relational operators): https://gcc.gnu.org/onlinedocs/gcc-3.4.4/g77/Fortran-90-Features.html
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