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authorEric Andersen <andersen@codepoet.org>2005-03-06 07:11:53 (GMT)
committerEric Andersen <andersen@codepoet.org>2005-03-06 07:11:53 (GMT)
commitc4e44e97f8562254d9da898f6ed7e6cb4d8a3ce4 (patch)
tree6c61f83ac5b94085222b3eda8d731309d61be99b /libm/k_tan.c
parentd4fad9c64ee518be51ecb40662af69b405a49556 (diff)
Trim off whitespace
Diffstat (limited to 'libm/k_tan.c')
-rw-r--r--libm/k_tan.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/libm/k_tan.c b/libm/k_tan.c
index aa9c67c..8f7822a 100644
--- a/libm/k_tan.c
+++ b/libm/k_tan.c
@@ -5,7 +5,7 @@
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
+ * software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
@@ -18,25 +18,25 @@ static char rcsid[] = "$NetBSD: k_tan.c,v 1.8 1995/05/10 20:46:37 jtc Exp $";
* kernel tan function on [-pi/4, pi/4], pi/4 ~ 0.7854
* Input x is assumed to be bounded by ~pi/4 in magnitude.
* Input y is the tail of x.
- * Input k indicates whether tan (if k=1) or
+ * Input k indicates whether tan (if k=1) or
* -1/tan (if k= -1) is returned.
*
* Algorithm
- * 1. Since tan(-x) = -tan(x), we need only to consider positive x.
+ * 1. Since tan(-x) = -tan(x), we need only to consider positive x.
* 2. if x < 2^-28 (hx<0x3e300000 0), return x with inexact if x!=0.
* 3. tan(x) is approximated by a odd polynomial of degree 27 on
* [0,0.67434]
* 3 27
* tan(x) ~ x + T1*x + ... + T13*x
* where
- *
+ *
* |tan(x) 2 4 26 | -59.2
* |----- - (1+T1*x +T2*x +.... +T13*x )| <= 2
- * | x |
- *
+ * | x |
+ *
* Note: tan(x+y) = tan(x) + tan'(x)*y
* ~ tan(x) + (1+x*x)*y
- * Therefore, for better accuracy in computing tan(x+y), let
+ * Therefore, for better accuracy in computing tan(x+y), let
* 3 2 2 2 2
* r = x *(T2+x *(T3+x *(...+x *(T12+x *T13))))
* then
@@ -51,9 +51,9 @@ static char rcsid[] = "$NetBSD: k_tan.c,v 1.8 1995/05/10 20:46:37 jtc Exp $";
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
-static const double
+static const double
#else
-static double
+static double
#endif
one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
pio4 = 7.85398163397448278999e-01, /* 0x3FE921FB, 0x54442D18 */
@@ -116,7 +116,7 @@ T[] = {
return (double)(1-((hx>>30)&2))*(v-2.0*(x-(w*w/(w+v)-r)));
}
if(iy==1) return w;
- else { /* if allow error up to 2 ulp,
+ else { /* if allow error up to 2 ulp,
simply return -1.0/(x+r) here */
/* compute -1.0/(x+r) accurately */
double a,t;