Add M_PI #define for platforms that do not have that defined.

PiperOrigin-RevId: 274069217
2019-10-10 16:58:12 -07:00 · 2019-10-10 16:58:12 -07:00 · af35d3b9d4
commit af35d3b9d4
parent 571412c7cf
1 changed files with 5 additions and 0 deletions
--- a/tensorflow/lite/experimental/microfrontend/lib/window_util.c
+++ b/tensorflow/lite/experimental/microfrontend/lib/window_util.c
@ -21,6 +21,11 @@ limitations under the License.
 #include <stdlib.h>
 #include <string.h>

+// Some platforms don't have M_PI
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
 void WindowFillConfigWithDefaults(struct WindowConfig* config) {
  config->size_ms = 25;
  config->step_size_ms = 10;