fixed div/zero in blob exhibit

[laserbrain_demo] / src / app.cc

diff --git a/src/app.cc b/src/app.cc
index dcfd3f3..869af78 100644 (file)
--- a/src/app.cc
+++ b/src/app.cc
@@ -79,6 +79,12 @@ bool app_init(int argc, char **argv)
 {
        set_log_file("demo.log");
 
+       char *env = getenv("FPEXCEPT");
+       if(env && atoi(env)) {
+               info_log("enabling floating point exceptions\n");
+               enable_fpexcept();
+       }
+
        if(init_opengl() == -1) {
                return false;
        }