Fix compiler comparability issues.

Author: SeverinDenisenko

CMakeLists.txt

@@ -7,7 +7,7 @@ set(CMAKE_C_STANDARD 20)
 set(CMAKE_CXX_STANDARD 20)
 
 # We are paranoid
-set(UNIVERSAL_COMPILE_WARNINGS "-Wall" "-Wextra" "-Werror" "-Waggregate-return" "-Wcast-align" "-Wcast-qual" "-Wchar-subscripts" "-Wconversion" "-Wfloat-equal" "-Wformat-nonliteral" "-Wformat-security" "-Wformat-y2k" "-Wimplicit" "-Wimport" "-Winit-self" "-Winline" "-Winvalid-pch" "-Wlong-long" "-Wmissing-braces" "-Wmissing-field-initializers" "-Wmissing-format-attribute" "-Wmissing-include-dirs" "-Wmissing-noreturn" "-Wpacked" "-Wpadded" "-Wparentheses" "-Wpointer-arith" "-Wredundant-decls" "-Wreturn-type" "-Wsequence-point" "-Wshadow" "-Wsign-compare" "-Wstack-protector" "-Wswitch" "-Wswitch-default" "-Wswitch-enum" "-Wtrigraphs" "-Wuninitialized" "-Wunknown-pragmas" "-Wunreachable-code" "-Wunused" "-Wunused-function" "-Wunused-label" "-Wunused-parameter" "-Wunused-value" "-Wunused-variable" "-Wvariadic-macros" "-Wvolatile-register-var" "-Wwrite-strings")
+set(UNIVERSAL_COMPILE_WARNINGS "-Wall" "-Wextra" "-Werror" "-Wcast-align" "-Wcast-qual" "-Wchar-subscripts" "-Wconversion" "-Wfloat-equal" "-Wformat-nonliteral" "-Wformat-security" "-Wformat-y2k" "-Wimport" "-Winit-self" "-Winline" "-Winvalid-pch" "-Wlong-long" "-Wmissing-braces" "-Wmissing-field-initializers" "-Wmissing-format-attribute" "-Wmissing-include-dirs" "-Wmissing-noreturn" "-Wpacked" "-Wpadded" "-Wparentheses" "-Wpointer-arith" "-Wredundant-decls" "-Wreturn-type" "-Wsequence-point" "-Wshadow" "-Wsign-compare" "-Wstack-protector" "-Wswitch" "-Wswitch-default" "-Wswitch-enum" "-Wtrigraphs" "-Wuninitialized" "-Wunknown-pragmas" "-Wunreachable-code" "-Wunused" "-Wunused-function" "-Wunused-label" "-Wunused-parameter" "-Wunused-value" "-Wunused-variable" "-Wvariadic-macros" "-Wvolatile-register-var" "-Wwrite-strings")
 set(UNIVERSAL_COMPILE_SUPPRESSIONS "-Wno-padded")
 # Exceptions and rtti sucks anyway
 set(UNIVERSAL_COMPILE_FEATURES "-fno-exceptions" "-fno-rtti")

cmp/include/array.hpp

@@ -2,6 +2,7 @@
 
 #include <cassert>
 #include <cstdint>
+#include <cstring>
 
 #include <initializer_list>
 

cmp/include/round.hpp

@@ -5,6 +5,6 @@
 template <typename real>
 inline real round(real a, size_t n)
 {
-    real orders = (real)pow(10.0, n);
-    return round(a * orders) / orders;
+    real orders = real(pow(real(10.0), real(n)));
+    return real(round(a * orders)) / orders;
 }