[ruby-cvs:65463] stomar:r58291 (trunk): math.c: improve docs for Math.sqrt

[stomar at ruby-lang.org]

stomar	2017-04-09 22:30:31 +0900 (Sun, 09 Apr 2017)

  New Revision: 58291

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58291

  Log:
    math.c: improve docs for Math.sqrt
    
    * math.c: [DOC] mention possibly surprising behavior of Math.sqrt
      due to floating point arithmetic; also refer to BigDecimal#sqrt.

  Modified files:
    trunk/math.c