3 files changed, 2 insertions, 40 deletions
diff --git a/ext/bigdecimal/lib/bigdecimal/nlsolve.rb b/ext/bigdecimal/lib/bigdecimal/nlsolve.rb
deleted file mode 100644
index 7f729e6aaa..0000000000
--- a/ext/bigdecimal/lib/bigdecimal/nlsolve.rb
+++ /dev/null
@@ -1,38 +0,0 @@
-#!/usr/local/bin/ruby
-
-#
-# nlsolve.rb
-# An example for solving nonlinear algebraic equation system.
-#
-
-require "bigdecimal"
-require "bigdecimal/newton"
-include Newton
-
-class Function
-  def initialize()
-    @zero = BigDecimal::new("0.0")
-    @one  = BigDecimal::new("1.0")
-    @two  = BigDecimal::new("2.0")
-    @ten  = BigDecimal::new("10.0")
-    @eps  = BigDecimal::new("1.0e-16")
-  end
-  def zero;@zero;end
-  def one ;@one ;end
-  def two ;@two ;end
-  def ten ;@ten ;end
-  def eps ;@eps ;end
-  def values(x) # <= defines functions solved
-    f = []
-    f1 = x[0]*x[0] + x[1]*x[1] - @two # f1 = x**2 + y**2 - 2 => 0
-    f2 = x[0] - x[1]                  # f2 = x    - y        => 0
-    f <<= f1
-    f <<= f2
-    f
-  end
-end
- f = BigDecimal::limit(100)
- f = Function.new
- x = [f.zero,f.zero]      # Initial values
- n = nlsolve(f,x)
- p x
diff --git a/ext/bigdecimal/sample/linear.rb b/ext/bigdecimal/sample/linear.rb
index 7c8ca263eb..88a62ffa71 100644
--- a/ext/bigdecimal/sample/linear.rb
+++ b/ext/bigdecimal/sample/linear.rb
@@ -11,7 +11,7 @@
 #
 
 require "bigdecimal"
-require "ludcmp"
+require "bigdecimal/ludcmp"
 
 #
 # NOTE:
diff --git a/ext/bigdecimal/sample/nlsolve.rb b/ext/bigdecimal/sample/nlsolve.rb
index 08f17f9ecd..7f729e6aaa 100644
--- a/ext/bigdecimal/sample/nlsolve.rb
+++ b/ext/bigdecimal/sample/nlsolve.rb
@@ -6,7 +6,7 @@
 #
 
 require "bigdecimal"
-require "newton"
+require "bigdecimal/newton"
 include Newton
 
 class Function