[PATCH] D128269: Teach fpcmp about the x. FP format

[Diana Picus via Phabricator via llvm-commits]

rovka created this revision.
rovka added reviewers: awarzynski, kiranchandramohan, Meinersbur, sscalpone, naromero77.
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At the moment `fpcmp` rejects floating point numbers with no decimal
digits after the decimal point, such as "3.". However, `flang-new` often
prints floating point numbers in this format and it seems to be
a perfectly respectable format (`strtod` is happy enough to gobble it up).

This patch updates `fpcmp` to allow the absence of post-decimal digits. It
also adds a new command line flag, '-d', that preserves the previous
behaviour. AFAICT nothing in the test-suite needs it, but I haven't
tried any of the External suites.


Repository:
  rT test-suite

https://reviews.llvm.org/D128269

Files:
  tools/fpcmp.c

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