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authorpommicket <pommicket@gmail.com>2022-02-20 13:18:21 -0800
committerpommicket <pommicket@gmail.com>2022-02-20 13:18:21 -0800
commit9bc8a11afeed3569736b89754012e3ca22ee10f6 (patch)
tree5f0ec0d5c05f879b1ee86adfa654ed3ef2178d5f /05/musl-0.6.0/src/math/s_copysignf.c
parent0f97a589b800bdb71dda05984192f0f66a52edaa (diff)
conclusion
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diff --git a/05/musl-0.6.0/src/math/s_copysignf.c b/05/musl-0.6.0/src/math/s_copysignf.c
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+/* s_copysignf.c -- float version of s_copysign.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * copysignf(float x, float y)
+ * copysignf(x,y) returns a value with the magnitude of x and
+ * with the sign bit of y.
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+float
+copysignf(float x, float y)
+{
+ uint32_t ix,iy;
+ GET_FLOAT_WORD(ix,x);
+ GET_FLOAT_WORD(iy,y);
+ SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
+ return x;
+}