diff options
| -rw-r--r-- | theories/Reals/Rgeom.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/Reals/Rgeom.v b/theories/Reals/Rgeom.v index f2fff55e3a..18fa919a24 100644 --- a/theories/Reals/Rgeom.v +++ b/theories/Reals/Rgeom.v @@ -11,6 +11,7 @@ Require Rbase. Require R_sqr. Require Rtrigo. +Require R_sqrt. Definition dist_euc [x0,y0,x1,y1:R] : R := ``(sqrt ((Rsqr (x0-x1))+(Rsqr (y0-y1))))``. |