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authorRich Felker <dalias@aerifal.cx>2012-11-15 08:37:58 -0500
committerRich Felker <dalias@aerifal.cx>2012-11-15 08:37:58 -0500
commit8bb181622222f2ee3462c8b021bcae4fcdbbd37a (patch)
tree166a1be834c8cd5a4c2521d41d7ee506bd8c8e51 /src/math/scalbn.c
parent22781b4d8ecaf97ac52d2a501a2e7d3bc1920ce0 (diff)
parent68847ecd3a644d3ffd9be58603be1a3fa437dff0 (diff)
downloadmusl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.gz
Merge remote-tracking branch 'nsz/math'
Diffstat (limited to 'src/math/scalbn.c')
-rw-r--r--src/math/scalbn.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/math/scalbn.c b/src/math/scalbn.c
index c9c7af80..003141e3 100644
--- a/src/math/scalbn.c
+++ b/src/math/scalbn.c
@@ -10,8 +10,10 @@ double scalbn(double x, int n)
if (n > 1023) {
x *= 0x1p1023;
n -= 1023;
- if (n > 1023)
- return x * 0x1p1023;
+ if (n > 1023) {
+ STRICT_ASSIGN(double, x, x * 0x1p1023);
+ return x;
+ }
}
} else if (n < -1022) {
x *= 0x1p-1022;
@@ -19,10 +21,13 @@ double scalbn(double x, int n)
if (n < -1022) {
x *= 0x1p-1022;
n += 1022;
- if (n < -1022)
- return x * 0x1p-1022;
+ if (n < -1022) {
+ STRICT_ASSIGN(double, x, x * 0x1p-1022);
+ return x;
+ }
}
}
INSERT_WORDS(scale, (uint32_t)(0x3ff+n)<<20, 0);
- return x * scale;
+ STRICT_ASSIGN(double, x, x * scale);
+ return x;
}