[libc-commits] [libc] 58edd26 - [libc] Include -150 to the special cases at the beginning of exp2f function.

[Tue Ly via libc-commits]

Author: Tue Ly
Date: 2022-03-14T10:06:27-04:00
New Revision: 58edd26255c768e29ca016c1831f8ac608ddc5e8

URL: https://github.com/llvm/llvm-project/commit/58edd26255c768e29ca016c1831f8ac608ddc5e8
DIFF: https://github.com/llvm/llvm-project/commit/58edd26255c768e29ca016c1831f8ac608ddc5e8.diff

LOG: [libc] Include -150 to the special cases at the beginning of exp2f function.

Added: 
    

Modified: 
    libc/src/math/generic/exp2f.cpp

Removed: 
    


################################################################################
diff  --git a/libc/src/math/generic/exp2f.cpp b/libc/src/math/generic/exp2f.cpp
index b19cf8ebbd060..5c7961b969920 100644
--- a/libc/src/math/generic/exp2f.cpp
+++ b/libc/src/math/generic/exp2f.cpp
@@ -73,8 +73,8 @@ LLVM_LIBC_FUNCTION(float, exp2f, (float x)) {
   using FPBits = typename fputil::FPBits<float>;
   FPBits xbits(x);
 
-  // When x < -150 or nan
-  if (unlikely(xbits.uintval() > 0xc316'0000U)) {
+  // When x =< -150 or nan
+  if (unlikely(xbits.uintval() >= 0xc316'0000U)) {
     // exp(-Inf) = 0
     if (xbits.is_inf())
       return 0.0f;