From 5a1638986fa5f613f147963e956643a996e0fcc2 Mon Sep 17 00:00:00 2001
From: Christian Walther <cwalther@gmx.ch>
Date: Wed, 3 May 2023 22:56:59 +0200
Subject: [PATCH] examples/embedding-full: Enable floating point numbers and
 math module.

Signed-off-by: Christian Walther <cwalther@gmx.ch>
---
 examples/embedding-full/Makefile       | 2 +-
 examples/embedding-full/main.c         | 4 +++-
 examples/embedding-full/mpconfigport.h | 3 +++
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/examples/embedding-full/Makefile b/examples/embedding-full/Makefile
index b0ce3daf14..abdf8866e0 100644
--- a/examples/embedding-full/Makefile
+++ b/examples/embedding-full/Makefile
@@ -22,7 +22,7 @@ SRC += $(filter-out $(EMBED_DIR)/lib/%.c,$(wildcard $(EMBED_DIR)/*/*/*.c))
 OBJ += $(SRC:.c=.o)
 
 $(PROG): $(OBJ)
-	$(CC) -o $@ $^
+	$(CC) -o $@ $^ -lm
 
 clean:
 	/bin/rm -f $(OBJ) $(PROG)
diff --git a/examples/embedding-full/main.c b/examples/embedding-full/main.c
index 5fc31ec638..457af0b24e 100644
--- a/examples/embedding-full/main.c
+++ b/examples/embedding-full/main.c
@@ -8,7 +8,7 @@
 
 // This is example 1 script, which will be compiled and executed.
 static const char *example_1 =
-    "print('hello world!', list(x + 1 for x in range(10)), end='eol\\n')";
+    "print('hello world!', list(x + 1.5 for x in range(10)), end='eol\\n')";
 
 // This is example 2 script, which will be compiled and executed.
 static const char *example_2 =
@@ -35,6 +35,8 @@ static const char *example_2 =
     "help(random)\n"
     "import time\n"
     "help(time)\n"
+    "import math\n"
+    "help(math)\n"
     "import frozenhello\n"
     "help(frozenhello)\n"
     "print('frozenhello.hello():', frozenhello.hello())\n"
diff --git a/examples/embedding-full/mpconfigport.h b/examples/embedding-full/mpconfigport.h
index 103172687a..2678c722b8 100644
--- a/examples/embedding-full/mpconfigport.h
+++ b/examples/embedding-full/mpconfigport.h
@@ -19,6 +19,9 @@
 #define MICROPY_HW_BOARD_NAME                   "embedded"
 #define MICROPY_HW_MCU_NAME                     "C"
 
+// Enable floating point numbers and the math module.
+#define MICROPY_FLOAT_IMPL                      (MICROPY_FLOAT_IMPL_FLOAT)
+
 // Requires shared/readline/readline.h, don't bother as we have no input.
 #define MICROPY_PY_BUILTINS_INPUT               (0)