* doc/headers/assert.texi (assert.h): Document assert module use.

[gnulib.git] / lib / trigl.c

diff --git a/lib/trigl.c b/lib/trigl.c
index c2db23e..c82b509 100644 (file)
--- a/lib/trigl.c
+++ b/lib/trigl.c
@@ -1,5 +1,5 @@
 /* Quad-precision floating point argument reduction.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2007 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
@@ -17,10 +17,12 @@
    with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
+#include <config.h>
+
+/* Specification.  */
 #include <math.h>
-#include <float.h>
 
-#include "mathl.h"
+#include <float.h>
 
 /* Table of constants for 2/pi, 5628 hexadecimal digits of 2/pi */
 static const int two_over_pi[] = {
@@ -231,7 +233,7 @@ ieee754_rem_pio2l (long double x, long double *y)
        return -1;
       }
 
-  if (x + x == x || x != x)    /* x is +=oo or NaN */
+  if (x + x == x)      /* x is ±oo */
     {
       y[0] = x - x;
       y[1] = y[0];
@@ -421,7 +423,7 @@ static const double PIo2[] = {
 static const double zero = 0.0, one = 1.0, two24 = 1.67772160000000000000e+07, /* 0x41700000, 0x00000000 */
   twon24 = 5.96046447753906250000e-08; /* 0x3E700000, 0x00000000 */
 
-int
+static int
 kernel_rem_pio2 (double *x, double *y, int e0, int nx, int prec,
                 const int *ipio2)
 {