diff --git a/include/gp/allocator/buddy.hpp b/include/gp/allocator/buddy.hpp
index a9799c8..8726bc4 100644
--- a/include/gp/allocator/buddy.hpp
+++ b/include/gp/allocator/buddy.hpp
@@ -2,7 +2,7 @@
 #include "gp_config.hpp"
 #include "gp/buffer.hpp"
 #include "gp/array.hpp"
-#include "gp/math.hpp"
+#include "gp/math/integer_math.hpp"
 #include <type_traits>
 #include <gp/algorithm/tmp_manip.hpp>
 #include <gp/algorithm/modifiers.hpp>
diff --git a/include/gp/math/fp_math.hpp b/include/gp/math/fp_math.hpp
index 7417920..6d10a1d 100644
--- a/include/gp/math/fp_math.hpp
+++ b/include/gp/math/fp_math.hpp
@@ -13,7 +13,7 @@ namespace gp{
 	constexpr float pi<float> = 3.1415926535897932384626433832795028841971693993751058209749445923078164062;
 
 	template<>
-	constexpr double pi<double> = 3.1415926535897932384626433832795028841971693993751058209749445923078164062;
+	constexpr double pi<double> = 3.1415926535897932384626433832795028841971693993751058209749445923078164062L;
 
 	template<typename T>
 	T abs(T);
diff --git a/include/gp/math/integer_math.hpp b/include/gp/math/integer_math.hpp
index 6691f46..40d3a29 100644
--- a/include/gp/math/integer_math.hpp
+++ b/include/gp/math/integer_math.hpp
@@ -70,7 +70,7 @@ namespace gp {
 			return l + (((1 << l) ^ v) != 0);
 		}
 
-		static_assert(msb<uint32_t>(7) == 3, "bad log2");
-		static_assert(msb<uint32_t>(8) == 3, "bad log2");
+		static_assert(msb<uint32_t>(7) == 3, "bad msb");
+		static_assert(msb<uint32_t>(8) == 3, "bad msb");
 	}
 }