float== (#61)

Author: PhilipDeegan

inc/mkn/kul/assert.hpp

@@ -52,11 +52,11 @@ struct Assert {
   }
 };
 
-void inline abort_if(bool const& b) {
+void inline abort_if(bool const b) {
   if (b) std::abort();
 }
 
-void inline abort_if_not(bool const& b) {
+void inline abort_if_not(bool const b) {
   if (!b) std::abort();
 }
 

inc/mkn/kul/float.hpp

@@ -0,0 +1,48 @@
+/**
+Copyright (c) 2024, Philip Deegan.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Philip Deegan nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+#ifndef _MKN_KUL_FLOAT_HPP_
+#define _MKN_KUL_FLOAT_HPP_
+
+#include <cstdlib>
+
+namespace mkn::kul {
+
+auto inline float_equals(float const a, float const b, float const diff = 1e-6) {
+  return std::abs(a - b) < diff;
+}
+
+auto inline float_equals(double const a, double const b, double const diff = 1e-12) {
+  return std::abs(a - b) < diff;
+}
+
+}  // namespace mkn::kul
+
+#endif /* _MKN_KUL_FLOAT_HPP_ */