CVSROOT: /cvs Module name: src Changes by: marty...@cvs.openbsd.org 2011/05/30 16:23:59
Modified files:
lib/libm/src : s_tanh.c
Log message:
For tiny x, tanh = x*(one+x). GCC (at -O2) optimized this into
x+x*x, as a result sign got lost for the input of -0. Explicitly
return negative zero in this case. Found by Cephes.
