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Include program generating __sincosl_table in comment.

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This commit is contained in:
Joseph Myers 2012-03-16 15:18:19 +00:00
parent 8848d99dce
commit 96cbe7f482
2 changed files with 44 additions and 2 deletions
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ChangeLog
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@ -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.

43
sysdeps/ieee754/ldbl-96/t_sincosl.c
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@ -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. */