Index: src/base/ieee754.h |
diff --git a/src/base/ieee754.h b/src/base/ieee754.h |
index 5a2e534289f2527714c28e185e69bbdbc6ce11de..17034e50fcd24b05b5dc1f080a2f8145ba3c05af 100644 |
--- a/src/base/ieee754.h |
+++ b/src/base/ieee754.h |
@@ -17,6 +17,9 @@ double atan(double x); |
// the two arguments to determine the quadrant of the result. |
double atan2(double y, double x); |
+// Returns the base-e exponential of |x|. |
+double exp(double x); |
+ |
// Returns the natural logarithm of |x|. |
double log(double x); |