reorganize files and format

include/bmath/bmath.hh

@@ -0,0 +1,6 @@
+#ifndef BMATH_BMATH_HH
+#define BMATH_BMATH_HH
+
+#include "bmath/mint.hh"
+
+#endif

include/bmath/mint.hh

@@ -1,5 +1,7 @@
-#ifndef BMATH_HEADER_ONLY_MATH_LIB
-#define BMATH_HEADER_ONLY_MATH_LIB
+#ifndef BMATH_MINT_HH
+#define BMATH_MINT_HH
+
+namespace bmath {
 
 #include <format>
 #include <iterator>
@@ -7,11 +9,9 @@
 #include <stdexcept>
 #include <string>
 
-namespace bmath {
-
 inline constexpr uint64_t DEFAULT_MOD = 1'000'000'007;
 
-template <std::integral T, T M = static_cast<T>(DEFAULT_MOD)>
+template <std::unsigned_integral T, T M = static_cast<T>(DEFAULT_MOD)>
   requires(M > 0 && DEFAULT_MOD <= std::numeric_limits<T>::max())
 class mint {
  public:
@@ -140,7 +140,7 @@ class mint {
   }
 };
 
-template <std::integral T, T M, std::integral U>
+template <std::unsigned_integral T, T M, std::unsigned_integral U>
   requires(M > 0)
 [[nodiscard]] static constexpr bmath::mint<T, M> pow(mint<T, M> base,
                                                      U exponent) {
@@ -175,7 +175,7 @@ template <std::integral T, T M, std::integral U>
   return t;
 }
 
-template <std::integral T, T M = DEFAULT_MOD>
+template <std::unsigned_integral T, T M = DEFAULT_MOD>
   requires(M > 0)
 [[nodiscard]] std::string to_string(mint<T, M> const number) {
   return std::to_string(number.get());

tests/test_bmath.cc

@@ -3,7 +3,7 @@
 #include <cstdint>
 #include <format>
 
-#include "../include/bmath.hh"
+#include "../include/bmath/bmath.hh"
 
 using namespace bmath;