From c883bab62abf73973946dfa6503c56adfc7c12e2 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Thu, 4 Jun 2020 14:38:44 +0100
Subject: [PATCH] LibM: Add exp2() and exp2f()

---
 Libraries/LibM/math.cpp | 10 ++++++++++
 Libraries/LibM/math.h   |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/Libraries/LibM/math.cpp b/Libraries/LibM/math.cpp
index 33e05047fe..f1de325ebd 100644
--- a/Libraries/LibM/math.cpp
+++ b/Libraries/LibM/math.cpp
@@ -279,6 +279,16 @@ float expf(float exponent)
     return (float)exp(exponent);
 }
 
+double exp2(double exponent)
+{
+    return pow(2.0, exponent);
+}
+
+float exp2f(float exponent)
+{
+    return pow(2.0f, exponent);
+}
+
 double cosh(double x)
 {
     double exponentiated = exp(-x);
diff --git a/Libraries/LibM/math.h b/Libraries/LibM/math.h
index ed738b356b..c8177fded8 100644
--- a/Libraries/LibM/math.h
+++ b/Libraries/LibM/math.h
@@ -74,6 +74,8 @@ double fmod(double, double);
 float fmodf(float, float);
 double exp(double);
 float expf(float);
+double exp2(double);
+float exp2f(float);
 double frexp(double, int* exp);
 float frexpf(float, int* exp);
 double log(double);