rename tests directory

tests2/gen_linspace.cpp

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+// Copyright 2015 Conrad Sanderson (http://conradsanderson.id.au)
+// Copyright 2015 National ICT Australia (NICTA)
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ------------------------------------------------------------------------
+
+
+#include <armadillo>
+#include "catch.hpp"
+
+using namespace arma;
+
+
+TEST_CASE("gen_linspace_1")
+  {
+  vec a = linspace(1,5,5);
+  
+  REQUIRE(a(0) == Approx(1.0));
+  REQUIRE(a(1) == Approx(2.0));
+  REQUIRE(a(2) == Approx(3.0));
+  REQUIRE(a(3) == Approx(4.0));
+  REQUIRE(a(4) == Approx(5.0));
+  
+  vec b = linspace<vec>(1,5,6);
+  
+  REQUIRE(b(0) == Approx(1.0));
+  REQUIRE(b(1) == Approx(1.8));
+  REQUIRE(b(2) == Approx(2.6));
+  REQUIRE(b(3) == Approx(3.4));
+  REQUIRE(b(4) == Approx(4.2));
+  REQUIRE(b(5) == Approx(5.0));
+  
+  rowvec c = linspace<rowvec>(1,5,6);
+  
+  REQUIRE(c(0) == Approx(1.0));
+  REQUIRE(c(1) == Approx(1.8));
+  REQUIRE(c(2) == Approx(2.6));
+  REQUIRE(c(3) == Approx(3.4));
+  REQUIRE(c(4) == Approx(4.2));
+  REQUIRE(c(5) == Approx(5.0));
+  
+  mat X = linspace<mat>(1,5,6);
+  
+  REQUIRE(X.n_rows == 6);
+  REQUIRE(X.n_cols == 1);
+  }
+
+
+