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-rw-r--r--main/musl/0004-math-fix-expf-NAN-and-exp2f-NAN-to-return-NAN-instea.patch43
1 files changed, 0 insertions, 43 deletions
diff --git a/main/musl/0004-math-fix-expf-NAN-and-exp2f-NAN-to-return-NAN-instea.patch b/main/musl/0004-math-fix-expf-NAN-and-exp2f-NAN-to-return-NAN-instea.patch
deleted file mode 100644
index e9eadc9718..0000000000
--- a/main/musl/0004-math-fix-expf-NAN-and-exp2f-NAN-to-return-NAN-instea.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From b023c03b574acdfd73418314a5dcaa83e5cea5a0 Mon Sep 17 00:00:00 2001
-From: Szabolcs Nagy <nsz@port70.net>
-Date: Fri, 4 Mar 2016 21:23:33 +0000
-Subject: [PATCH] math: fix expf(-NAN) and exp2f(-NAN) to return -NAN instead
- of 0
-
-expf(-NAN) was treated as expf(-large) which unconditionally
-returns +0, so special case +-NAN.
-reported by Petr Hosek.
----
- src/math/exp2f.c | 2 ++
- src/math/expf.c | 2 ++
- 2 files changed, 4 insertions(+)
-
-diff --git a/src/math/exp2f.c b/src/math/exp2f.c
-index cf6126e..296b634 100644
---- a/src/math/exp2f.c
-+++ b/src/math/exp2f.c
-@@ -91,6 +91,8 @@ float exp2f(float x)
- /* Filter out exceptional cases. */
- ix = u.i & 0x7fffffff;
- if (ix > 0x42fc0000) { /* |x| > 126 */
-+ if (ix > 0x7f800000) /* NaN */
-+ return x;
- if (u.i >= 0x43000000 && u.i < 0x80000000) { /* x >= 128 */
- x *= 0x1p127f;
- return x;
-diff --git a/src/math/expf.c b/src/math/expf.c
-index 16e9afe..feee2b0 100644
---- a/src/math/expf.c
-+++ b/src/math/expf.c
-@@ -39,6 +39,8 @@ float expf(float x)
-
- /* special cases */
- if (hx >= 0x42aeac50) { /* if |x| >= -87.33655f or NaN */
-+ if (hx > 0x7f800000) /* NaN */
-+ return x;
- if (hx >= 0x42b17218 && !sign) { /* x >= 88.722839f */
- /* overflow */
- x *= 0x1p127f;
---
-2.7.2
-