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remove redefinition of MB_CUR_MAX in locale_impl.h
[musl]
/
src
/
math
/
scalbnf.c
diff --git
a/src/math/scalbnf.c
b/src/math/scalbnf.c
index
f94b5d5
..
0b62c3c
100644
(file)
--- a/
src/math/scalbnf.c
+++ b/
src/math/scalbnf.c
@@
-1,33
+1,31
@@
-#include "libm.h"
+#include <math.h>
+#include <stdint.h>
float scalbnf(float x, int n)
{
float scalbnf(float x, int n)
{
- float scale;
+ union {float f; uint32_t i;} u;
+ float_t y = x;
if (n > 127) {
if (n > 127) {
-
x
*= 0x1p127f;
+
y
*= 0x1p127f;
n -= 127;
if (n > 127) {
n -= 127;
if (n > 127) {
-
x
*= 0x1p127f;
+
y
*= 0x1p127f;
n -= 127;
n -= 127;
- if (n > 127) {
- STRICT_ASSIGN(float, x, x * 0x1p127f);
- return x;
- }
+ if (n > 127)
+ n = 127;
}
} else if (n < -126) {
}
} else if (n < -126) {
-
x
*= 0x1p-126f;
+
y
*= 0x1p-126f;
n += 126;
if (n < -126) {
n += 126;
if (n < -126) {
-
x
*= 0x1p-126f;
+
y
*= 0x1p-126f;
n += 126;
n += 126;
- if (n < -126) {
- STRICT_ASSIGN(float, x, x * 0x1p-126f);
- return x;
- }
+ if (n < -126)
+ n = -126;
}
}
}
}
-
SET_FLOAT_WORD(scale, (uint32_t)(0x7f+n)<<23)
;
-
STRICT_ASSIGN(float, x, x * scale)
;
+
u.i = (uint32_t)(0x7f+n)<<23
;
+
x = y * u.f
;
return x;
}
return x;
}