From 3c466952489bd88d9310ac8e47a0ad12dea6014e Mon Sep 17 00:00:00 2001
From: Vitaly Yulis <vitaly.yulis@gmail.com>
Date: Mon, 15 Aug 2022 16:50:28 +0300
Subject: [PATCH] float32 support

---
 CMakeLists.txt         | 10 +++++++++-
 include/dsplib/types.h |  5 ++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index dc8460a..50e3ba4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,7 @@ endif()
 
 option(DSPLIB_POOL_ALLOCATOR "Use pool allocator for vectors" OFF)
 option(DSPLIB_ASAN_ENABLED "Address sanitizer enabled" OFF)
+option(DSPLIB_USE_FLOAT32 "Use float32 for base type dsplib::real_t" OFF)
 
 if (DSPLIB_ASAN_ENABLED)
     include(cmake/sanitizer.cmake)
@@ -16,6 +17,13 @@ if (DSPLIB_ASAN_ENABLED)
 endif()
 
 if (DSPLIB_POOL_ALLOCATOR)
-    message(STATUS "dsplib: use pool allocator")
+    message("dsplib: use pool allocator")
     target_compile_definitions(dsplib PUBLIC "DSPLIB_POOL_ALLOCATOR")
+endif()
+
+if (DSPLIB_USE_FLOAT32)
+    message("dsplib: base type dsplib::real_t = float32")
+    target_compile_definitions(dsplib PUBLIC "DSPLIB_USE_FLOAT32")
+else()
+    message("dsplib: base type dsplib::real_t = float64")
 endif()
\ No newline at end of file
diff --git a/include/dsplib/types.h b/include/dsplib/types.h
index 9051080..bb5bb09 100644
--- a/include/dsplib/types.h
+++ b/include/dsplib/types.h
@@ -41,8 +41,11 @@ namespace dsplib {
 
 //-------------------------------------------------------------------------------------------------
 //base scalar type
+#ifdef DSPLIB_USE_FLOAT32
+using real_t = float;
+#else
 using real_t = double;
-// using real_t = float;
+#endif
 
 constexpr real_t pi = 3.141592653589793238463;