Magellan Linux

  • Back to homepage
    • /[pkg-src]/trunk/glibc/patches/glibc-2.15-rintf-rounding.patch

    Annotation of /trunk/glibc/patches/glibc-2.15-rintf-rounding.patch

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 1806 - (hide annotations) (download)
    Tue Jun 12 12:33:27 2012 UTC (11 years, 11 months ago) by niro
    File size: 6897 byte(s) 
    -added patches for 2.15-r1
    1 niro 1806 diff --git a/math/libm-test.inc b/math/libm-test.inc
    2     index 6243e1e..c8186c8 100644
    3     --- a/math/libm-test.inc
    4     +++ b/math/libm-test.inc
    5     @@ -5037,6 +5037,22 @@ rint_test (void)
    6     TEST_f_f (rint, 262142.75, 262143.0);
    7     TEST_f_f (rint, 524286.75, 524287.0);
    8     TEST_f_f (rint, 524288.75, 524289.0);
    9     + TEST_f_f (rint, 1048576.75, 1048577.0);
    10     + TEST_f_f (rint, 2097152.75, 2097153.0);
    11     + TEST_f_f (rint, -1048576.75, -1048577.0);
    12     + TEST_f_f (rint, -2097152.75, -2097153.0);
    13     +#ifndef TEST_FLOAT
    14     + TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
    15     + TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
    16     + TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
    17     + TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
    18     + TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
    19     + TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
    20     + TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
    21     + TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
    22     + TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
    23     + TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
    24     +#endif
    25     #ifdef TEST_LDOUBLE
    26     /* The result can only be represented in long double. */
    27     TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
    28     @@ -5137,6 +5153,22 @@ rint_test_tonearest (void)
    29     TEST_f_f (rint, -0.1, -0.0);
    30     TEST_f_f (rint, -0.25, -0.0);
    31     TEST_f_f (rint, -0.625, -1.0);
    32     + TEST_f_f (rint, 1048576.75, 1048577.0);
    33     + TEST_f_f (rint, 2097152.75, 2097153.0);
    34     + TEST_f_f (rint, -1048576.75, -1048577.0);
    35     + TEST_f_f (rint, -2097152.75, -2097153.0);
    36     +#ifndef TEST_FLOAT
    37     + TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
    38     + TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
    39     + TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
    40     + TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
    41     + TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
    42     + TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
    43     + TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
    44     + TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
    45     + TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
    46     + TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
    47     +#endif
    48     #ifdef TEST_LDOUBLE
    49     /* The result can only be represented in long double. */
    50     TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
    51     @@ -5207,6 +5239,22 @@ rint_test_towardzero (void)
    52     TEST_f_f (rint, -0.1, -0.0);
    53     TEST_f_f (rint, -0.25, -0.0);
    54     TEST_f_f (rint, -0.625, -0.0);
    55     + TEST_f_f (rint, 1048576.75, 1048576.0);
    56     + TEST_f_f (rint, 2097152.75, 2097152.0);
    57     + TEST_f_f (rint, -1048576.75, -1048576.0);
    58     + TEST_f_f (rint, -2097152.75, -2097152.0);
    59     +#ifndef TEST_FLOAT
    60     + TEST_f_f (rint, 70368744177664.75, 70368744177664.0);
    61     + TEST_f_f (rint, 140737488355328.75, 140737488355328.0);
    62     + TEST_f_f (rint, 281474976710656.75, 281474976710656.0);
    63     + TEST_f_f (rint, 562949953421312.75, 562949953421312.0);
    64     + TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0);
    65     + TEST_f_f (rint, -70368744177664.75, -70368744177664.0);
    66     + TEST_f_f (rint, -140737488355328.75, -140737488355328.0);
    67     + TEST_f_f (rint, -281474976710656.75, -281474976710656.0);
    68     + TEST_f_f (rint, -562949953421312.75, -562949953421312.0);
    69     + TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0);
    70     +#endif
    71     #ifdef TEST_LDOUBLE
    72     /* The result can only be represented in long double. */
    73     TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L);
    74     @@ -5277,6 +5325,22 @@ rint_test_downward (void)
    75     TEST_f_f (rint, -0.1, -1.0);
    76     TEST_f_f (rint, -0.25, -1.0);
    77     TEST_f_f (rint, -0.625, -1.0);
    78     + TEST_f_f (rint, 1048576.75, 1048576.0);
    79     + TEST_f_f (rint, 2097152.75, 2097152.0);
    80     + TEST_f_f (rint, -1048576.75, -1048577.0);
    81     + TEST_f_f (rint, -2097152.75, -2097153.0);
    82     +#ifndef TEST_FLOAT
    83     + TEST_f_f (rint, 70368744177664.75, 70368744177664.0);
    84     + TEST_f_f (rint, 140737488355328.75, 140737488355328.0);
    85     + TEST_f_f (rint, 281474976710656.75, 281474976710656.0);
    86     + TEST_f_f (rint, 562949953421312.75, 562949953421312.0);
    87     + TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0);
    88     + TEST_f_f (rint, -70368744177664.75, -70368744177665.0);
    89     + TEST_f_f (rint, -140737488355328.75, -140737488355329.0);
    90     + TEST_f_f (rint, -281474976710656.75, -281474976710657.0);
    91     + TEST_f_f (rint, -562949953421312.75, -562949953421313.0);
    92     + TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0);
    93     +#endif
    94     #ifdef TEST_LDOUBLE
    95     /* The result can only be represented in long double. */
    96     TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L);
    97     @@ -5347,6 +5411,22 @@ rint_test_upward (void)
    98     TEST_f_f (rint, -0.1, -0.0);
    99     TEST_f_f (rint, -0.25, -0.0);
    100     TEST_f_f (rint, -0.625, -0.0);
    101     + TEST_f_f (rint, 1048576.75, 1048577.0);
    102     + TEST_f_f (rint, 2097152.75, 2097153.0);
    103     + TEST_f_f (rint, -1048576.75, -1048576.0);
    104     + TEST_f_f (rint, -2097152.75, -2097152.0);
    105     +#ifndef TEST_FLOAT
    106     + TEST_f_f (rint, 70368744177664.75, 70368744177665.0);
    107     + TEST_f_f (rint, 140737488355328.75, 140737488355329.0);
    108     + TEST_f_f (rint, 281474976710656.75, 281474976710657.0);
    109     + TEST_f_f (rint, 562949953421312.75, 562949953421313.0);
    110     + TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0);
    111     + TEST_f_f (rint, -70368744177664.75, -70368744177664.0);
    112     + TEST_f_f (rint, -140737488355328.75, -140737488355328.0);
    113     + TEST_f_f (rint, -281474976710656.75, -281474976710656.0);
    114     + TEST_f_f (rint, -562949953421312.75, -562949953421312.0);
    115     + TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0);
    116     +#endif
    117     #ifdef TEST_LDOUBLE
    118     /* The result can only be represented in long double. */
    119     TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L);
    120     diff --git a/sysdeps/ieee754/flt-32/s_rintf.c b/sysdeps/ieee754/flt-32/s_rintf.c
    121     index 9ea9b6f..9ba6b57 100644
    122     --- a/sysdeps/ieee754/flt-32/s_rintf.c
    123     +++ b/sysdeps/ieee754/flt-32/s_rintf.c
    124     @@ -26,34 +26,22 @@ float
    125     __rintf(float x)
    126     {
    127     int32_t i0,j0,sx;
    128     - u_int32_t i,i1;
    129     float w,t;
    130     GET_FLOAT_WORD(i0,x);
    131     sx = (i0>>31)&1;
    132     j0 = ((i0>>23)&0xff)-0x7f;
    133     if(j0<23) {
    134     if(j0<0) {
    135     - if((i0&0x7fffffff)==0) return x;
    136     - i1 = (i0&0x07fffff);
    137     - i0 &= 0xfff00000;
    138     - i0 |= ((i1|-i1)>>9)&0x400000;
    139     - SET_FLOAT_WORD(x,i0);
    140     w = TWO23[sx]+x;
    141     t = w-TWO23[sx];
    142     GET_FLOAT_WORD(i0,t);
    143     SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
    144     return t;
    145     - } else {
    146     - i = (0x007fffff)>>j0;
    147     - if((i0&i)==0) return x; /* x is integral */
    148     - i>>=1;
    149     - if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0);
    150     }
    151     } else {
    152     if(j0==0x80) return x+x; /* inf or NaN */
    153     else return x; /* x is integral */
    154     }
    155     - SET_FLOAT_WORD(x,i0);
    156     w = TWO23[sx]+x;
    157     return w-TWO23[sx];
    158     }