diff options
Diffstat (limited to 'ext/bigdecimal/lib/bigdecimal')
| -rw-r--r-- | ext/bigdecimal/lib/bigdecimal/jacobian.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/bigdecimal/lib/bigdecimal/jacobian.rb b/ext/bigdecimal/lib/bigdecimal/jacobian.rb index 8ab836259a..f53e5b1437 100644 --- a/ext/bigdecimal/lib/bigdecimal/jacobian.rb +++ b/ext/bigdecimal/lib/bigdecimal/jacobian.rb @@ -53,7 +53,8 @@ module Jacobian until ok>0 do s = f.zero deriv = [] - if(nRetry>100) then + nRetry += 1 + if nRetry > 100 raise "Singular Jacobian matrix. No change at x[" + i.to_s + "]" end dx = dx*f.two |