GNU -Wall Warning Reduction, Part 1#1105

Merged

scrasmussen merged 7 commits intoNCAR:mainfrom

scrasmussen:gnu-wall-warning-reduction-part1

Apr 23, 2025

Commits on Apr 23, 2025

Checking to define macro CCPP only if it is not defined reduces macro redefinition warnings
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Fixing 'Warning: Deleted feature: Start expression in DO loop at (1) must be integer' message by calling nint intrinsic. Copying the other do loops
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Fixed GNU warning 'Warning: Missing '&' in continued character constant at (1) [-Wampersand]'
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Fixed GNU warnings 'Warning: Nonconforming tab character at (1) [-Wtabs]'
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Fixed GNU 'Warning: Line truncated at (1) [-Wline-truncation]' warnings
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Fix 'Warning: CHARACTER expression will be truncated in assignment'
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Fix GNU warning "Warning: Return value err_message of function declared at (1) not set [-Wreturn-type]"
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