Fixed softmax bug.

unittests/test_softmax.cpp

@@ -0,0 +1,45 @@
+#include "../deps/doctest.h"
+
+#include "../include/matrix.h"
+#include "../include/generator.h"
+#include "../include/m_algorithms.h"
+#include "../include/functions.h"
+
+#include <numeric>
+
+TEST_CASE("Softmax Operation")
+{
+
+    Matrix::Generation::Normal<0, 1> normal_distribution_init;
+    Matrix::Operations::Unary::SoftMax softmax;
+
+
+    SUBCASE("Column Vector Sum")
+    {
+
+        Matrix::Representation ma = Matrix::Representation(
+            Matrix::Rows(10), Matrix::Columns(1));
+            ma = normal_distribution_init(ma);
+
+        Matrix::Representation mb = softmax(ma);
+
+        double total = std::accumulate(mb.scanStart(), mb.scanEnd(), 0.0);
+
+        CHECK(Functions::Utility::compare_float(total, 1.0) == true);
+    }
+
+    SUBCASE("One Cell Matrix Sum"){
+
+        Matrix::Representation mc = Matrix::Representation(
+            Matrix::Rows(1), Matrix::Columns(1));
+        mc = normal_distribution_init(mc);
+
+        Matrix::Representation md = softmax(mc);
+        double total = std::accumulate(md.constScanStart(), md.constScanEnd(), 0.0);
+
+        CHECK(Functions::Utility::compare_float(total, 1.0) == true);
+
+    }
+
+
+}