summaryrefslogtreecommitdiffstats
path: root/modules/fdlibm/patches/10_remove_unused_function_from_k_exp_cpp.patch
blob: 712110dc874005ff07844dd8bcf8f148df588f6a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
diff --git a/modules/fdlibm/src/k_exp.cpp b/modules/fdlibm/src/k_exp.cpp
--- a/modules/fdlibm/src/k_exp.cpp
+++ b/modules/fdlibm/src/k_exp.cpp
@@ -22,18 +22,16 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 //#include <sys/cdefs.h>
 //__FBSDID("$FreeBSD$");
 
-#include <complex.h>
-
  #include "math_private.h"
 
 static const uint32_t k = 1799;		/* constant for reduction */
 static const double kln2 =  1246.97177782734161156;	/* k * ln2 */
 
 /*
  * Compute exp(x), scaled to avoid spurious overflow.  An exponent is
  * returned separately in 'expt'.
@@ -76,32 +74,8 @@ double
 	double exp_x, scale;
 	int ex_expt;
 
 	exp_x = __frexp_exp(x, &ex_expt);
 	expt += ex_expt;
 	INSERT_WORDS(scale, (0x3ff + expt) << 20, 0);
 	return (exp_x * scale);
 }
-
-double complex
-__ldexp_cexp(double complex z, int expt)
-{
-	double x, y, exp_x, scale1, scale2;
-	int ex_expt, half_expt;
-
-	x = creal(z);
-	y = cimag(z);
-	exp_x = __frexp_exp(x, &ex_expt);
-	expt += ex_expt;
-
-	/*
-	 * Arrange so that scale1 * scale2 == 2**expt.  We use this to
-	 * compensate for scalbn being horrendously slow.
-	 */
-	half_expt = expt / 2;
-	INSERT_WORDS(scale1, (0x3ff + half_expt) << 20, 0);
-	half_expt = expt - half_expt;
-	INSERT_WORDS(scale2, (0x3ff + half_expt) << 20, 0);
-
-	return (CMPLX(cos(y) * exp_x * scale1 * scale2,
-	    sin(y) * exp_x * scale1 * scale2));
-}