1 files changed, 28 insertions, 0 deletions
diff --git a/src/maceps.c b/src/maceps.c
new file mode 100644
index 0000000..23bc9db
--- /dev/null
+++ b/src/maceps.c
@@ -0,0 +1,28 @@
+#include "lizfcm.h"
+#include <math.h>
+
+float smaceps() {
+  float one = 1.0;
+  float machine_epsilon = 1.0;
+  float one_approx = one + machine_epsilon;
+
+  while (fabsf(one_approx - one) > 0) {
+    machine_epsilon /= 2;
+    one_approx = one + machine_epsilon;
+  }
+
+  return machine_epsilon;
+}
+
+double dmaceps() {
+  double one = 1.0;
+  double machine_epsilon = 1.0;
+  double one_approx = one + machine_epsilon;
+
+  while (fabs(one_approx - one) > 0) {
+    machine_epsilon /= 2;
+    one_approx = one + machine_epsilon;
+  }
+
+  return machine_epsilon;
+}