examples/embedding-full: Enable floating point numbers and math module.

Signed-off-by: Christian Walther <cwalther@gmx.ch>

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)

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"

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)