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math: avoid runtime conversions of floating-point constants
[musl]
/
src
/
complex
/
cacoshf.c
diff --git
a/src/complex/cacoshf.c
b/src/complex/cacoshf.c
index
37ff880
..
8bd8058
100644
(file)
--- a/
src/complex/cacoshf.c
+++ b/
src/complex/cacoshf.c
@@
-1,7
+1,10
@@
-#include "
libm
.h"
+#include "
complex_impl
.h"
float complex cacoshf(float complex z)
{
float complex cacoshf(float complex z)
{
+ int zineg = signbit(cimagf(z));
+
z = cacosf(z);
z = cacosf(z);
- return cpackf(-cimagf(z), crealf(z));
+ if (zineg) return CMPLXF(cimagf(z), -crealf(z));
+ else return CMPLXF(-cimagf(z), crealf(z));
}
}