diff --git a/cxx/mcc_coord.h b/cxx/mcc_coord.h
index 6e4a895..550c74e 100644
--- a/cxx/mcc_coord.h
+++ b/cxx/mcc_coord.h
@@ -3,11 +3,6 @@
 #include "mcc_traits.h"
 #include "utils.h"
 
-namespace mcc
-{
-
-/*  MCC-LIBRARY COORDINATES REPRESENTATION DEFINITIONS AND CLASS   */
-
 constexpr double operator""_rads(long double val)  // angle in radians (no conversion)
 {
     return val;
@@ -20,7 +15,7 @@ constexpr double operator""_degs(long double val)  // angle in degrees
 
 constexpr double operator""_dms(const char* s, size_t size)  // as a string "DEGREES:MINUTES:SECONDS"
 {
-    auto res = utils::parsAngleString(std::span{s, size});
+    auto res = mcc::utils::parsAngleString(std::span{s, size});
     if (res.has_value()) {
         return res.value() * std::numbers::pi / 180.0;
     } else {
@@ -28,9 +23,9 @@ constexpr double operator""_dms(const char* s, size_t size)  // as a string "DEG
     }
 }
 
-constexpr double operator""_hms(const char* s, size_t size)  // as a string "HOURS:MINUTES:SECONDS"
+constexpr double operator""_hms(const char* s, size_t len)  // as a string "HOURS:MINUTES:SECONDS"
 {
-    auto res = utils::parsAngleString(std::span{s, size}, true);
+    auto res = mcc::utils::parsAngleString(std::span{s, len}, true);
     if (res.has_value()) {
         return res.value() * std::numbers::pi / 180.0;
     } else {
@@ -39,6 +34,13 @@ constexpr double operator""_hms(const char* s, size_t size)  // as a string "HOU
 }
 
 
+namespace mcc
+{
+
+/*  MCC-LIBRARY COORDINATES REPRESENTATION DEFINITIONS AND CLASS   */
+
+
+
 // tags for MccCoordinate class construction
 
 struct MccRadianTag {
diff --git a/cxx/tests/astrom_test.cpp b/cxx/tests/astrom_test.cpp
index ea87971..295f6f2 100644
--- a/cxx/tests/astrom_test.cpp
+++ b/cxx/tests/astrom_test.cpp
@@ -1,6 +1,7 @@
 #include <fstream>
 #include <iostream>
 
+#include "../mcc_coord.h"
 #include "../mount_astrom.h"
 
 
@@ -102,5 +103,23 @@ int main(int argc, char* argv[])
         "comp time for {} coordinate transf = {}\n", N,
         std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - now));
 
+
+    std::cout << "\n\n\nMccCoordinate class test:\n";
+
+    mcc::MccCoordinate ra("12:00:00", mcc::mcc_hms);
+
+    std::cout << "sin(12h) = " << std::sin(ra) << "\n";
+    std::cout << "cos(12h) = " << std::cos(ra) << "\n";
+
+    ra = "18:00:00"_hms;
+    std::cout << "sin(18h) = " << std::sin(ra) << "\n";
+    std::cout << "cos(18h) = " << std::cos(ra) << "\n";
+
+    ra = mcc::MccCoordinate{45.0, mcc::mcc_degrees};
+    std::cout << "sin(45) = " << std::sin(ra) << "\n";
+    std::cout << "cos(45) = " << std::cos(ra) << "\n";
+
+    std::cout << ra.sexagesimal(false, 4) << "\n";
+
     return ecode;
 }