GNU C Library master sources branch, master, updated. glibc-2.15-409-g96cbe7f

[jsm28 at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=96cbe7f482fe89112de414da2bd8e90ffb0dcdbd

commit 96cbe7f482fe89112de414da2bd8e90ffb0dcdbd
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Fri Mar 16 15:18:19 2012 +0000

    Include program generating __sincosl_table in comment.

diff --git a/ChangeLog b/ChangeLog
index 5a99783..470f076 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2012-03-16  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/ieee754/ldbl-96/t_sincosl.c: Include generator program
+	in comment.
+
 	[BZ #13851]
 	* sysdeps/ieee754/ldbl-96/e_rem_pio2l.c: New file.
 	* sysdeps/ieee754/ldbl-96/k_cosl.c: Likewise.
diff --git a/sysdeps/ieee754/ldbl-96/t_sincosl.c b/sysdeps/ieee754/ldbl-96/t_sincosl.c
index 1ab9c2c..50dd84b 100644
--- a/sysdeps/ieee754/ldbl-96/t_sincosl.c
+++ b/sysdeps/ieee754/ldbl-96/t_sincosl.c
@@ -22,8 +22,47 @@
    bits and the same for sine.
    0.1484375+82.0/128.0 is the smallest number among above defined numbers
    larger than pi/4.
-   Computed using MPFR.
- */
+   Computed using MPFR:
+
+   #include <stdio.h>
+   #include <mpfr.h>
+
+   int
+   main (void)
+   {
+     int j;
+     mpfr_t t, b, i, rs, rc, ts, tc, tsl, tcl;
+     mpfr_init2 (b, 64);
+     mpfr_init2 (i, 64);
+     mpfr_init2 (t, 64);
+     mpfr_set_str (b, "0.1484375", 0, MPFR_RNDN);
+     mpfr_set_str (i, "0x1p-7", 0, MPFR_RNDN);
+     mpfr_init2 (rs, 300);
+     mpfr_init2 (rc, 300);
+     mpfr_init2 (ts, 64);
+     mpfr_init2 (tc, 64);
+     mpfr_init2 (tsl, 64);
+     mpfr_init2 (tcl, 64);
+     for (j = 0; j <= 82; j++)
+       {
+         mpfr_mul_ui (t, i, j, MPFR_RNDN);
+         mpfr_add (t, t, b, MPFR_RNDN);
+         printf ("  /" "* x = 0.1484375 + %d/128.  *" "/\n", j);
+         mpfr_cos (rc, t, MPFR_RNDN);
+         mpfr_sin (rs, t, MPFR_RNDN);
+         mpfr_set (tc, rc, MPFR_RNDN);
+         mpfr_set (ts, rs, MPFR_RNDN);
+         mpfr_sub (tcl, rc, tc, MPFR_RNDN);
+         mpfr_sub (tsl, rs, ts, MPFR_RNDN);
+         mpfr_printf ("  %.17RaL,\n", tc);
+         mpfr_printf ("  %.17RaL,\n", tcl);
+         mpfr_printf ("  %.17RaL,\n", ts);
+         mpfr_printf ("  %.17RaL,\n", tsl);
+       }
+     return 0;
+   }
+
+*/
 
 const long double __sincosl_table[] = {
   /* x = 0.1484375 + 0/128.  */

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                           |    3 ++
 sysdeps/ieee754/ldbl-96/t_sincosl.c |   43 +++++++++++++++++++++++++++++++++-
 2 files changed, 44 insertions(+), 2 deletions(-)


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