[GRASS-git] [OSGeo/grass] 3351ee: i.vi: write out FCELL instead of DCELL (#236)

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 3351ee88266c8e27dacfd9edcb25d8b84ac76360
      https://github.com/OSGeo/grass/commit/3351ee88266c8e27dacfd9edcb25d8b84ac76360
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2019-12-12 (Thu, 12 Dec 2019)

  Changed paths:
    M imagery/i.vi/main.c
    M imagery/i.vi/testsuite/test_vi.py

  Log Message:
  -----------
  i.vi: write out FCELL instead of DCELL (#236)

To avoid overly large raster maps, this PR changes DCELL output to FCELL precision which appears to be enough for vegetation indices.

All tests pass with `python3 testsuite/test_vi.py`