From 4714cec7e8367a7618b168d0db4bc085dbfaac8a Mon Sep 17 00:00:00 2001 From: root Date: Mon, 11 Jun 2012 00:02:18 +0000 Subject: Mon Jun 11 00:02:18 UTC 2012 --- staging/glibc/glibc-2.15-rintf-rounding.patch | 158 ++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 staging/glibc/glibc-2.15-rintf-rounding.patch (limited to 'staging/glibc/glibc-2.15-rintf-rounding.patch') diff --git a/staging/glibc/glibc-2.15-rintf-rounding.patch b/staging/glibc/glibc-2.15-rintf-rounding.patch new file mode 100644 index 000000000..e0240ac6c --- /dev/null +++ b/staging/glibc/glibc-2.15-rintf-rounding.patch @@ -0,0 +1,158 @@ +diff --git a/math/libm-test.inc b/math/libm-test.inc +index 6243e1e..c8186c8 100644 +--- a/math/libm-test.inc ++++ b/math/libm-test.inc +@@ -5037,6 +5037,22 @@ rint_test (void) + TEST_f_f (rint, 262142.75, 262143.0); + TEST_f_f (rint, 524286.75, 524287.0); + TEST_f_f (rint, 524288.75, 524289.0); ++ TEST_f_f (rint, 1048576.75, 1048577.0); ++ TEST_f_f (rint, 2097152.75, 2097153.0); ++ TEST_f_f (rint, -1048576.75, -1048577.0); ++ TEST_f_f (rint, -2097152.75, -2097153.0); ++#ifndef TEST_FLOAT ++ TEST_f_f (rint, 70368744177664.75, 70368744177665.0); ++ TEST_f_f (rint, 140737488355328.75, 140737488355329.0); ++ TEST_f_f (rint, 281474976710656.75, 281474976710657.0); ++ TEST_f_f (rint, 562949953421312.75, 562949953421313.0); ++ TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0); ++ TEST_f_f (rint, -70368744177664.75, -70368744177665.0); ++ TEST_f_f (rint, -140737488355328.75, -140737488355329.0); ++ TEST_f_f (rint, -281474976710656.75, -281474976710657.0); ++ TEST_f_f (rint, -562949953421312.75, -562949953421313.0); ++ TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0); ++#endif + #ifdef TEST_LDOUBLE + /* The result can only be represented in long double. */ + TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L); +@@ -5137,6 +5153,22 @@ rint_test_tonearest (void) + TEST_f_f (rint, -0.1, -0.0); + TEST_f_f (rint, -0.25, -0.0); + TEST_f_f (rint, -0.625, -1.0); ++ TEST_f_f (rint, 1048576.75, 1048577.0); ++ TEST_f_f (rint, 2097152.75, 2097153.0); ++ TEST_f_f (rint, -1048576.75, -1048577.0); ++ TEST_f_f (rint, -2097152.75, -2097153.0); ++#ifndef TEST_FLOAT ++ TEST_f_f (rint, 70368744177664.75, 70368744177665.0); ++ TEST_f_f (rint, 140737488355328.75, 140737488355329.0); ++ TEST_f_f (rint, 281474976710656.75, 281474976710657.0); ++ TEST_f_f (rint, 562949953421312.75, 562949953421313.0); ++ TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0); ++ TEST_f_f (rint, -70368744177664.75, -70368744177665.0); ++ TEST_f_f (rint, -140737488355328.75, -140737488355329.0); ++ TEST_f_f (rint, -281474976710656.75, -281474976710657.0); ++ TEST_f_f (rint, -562949953421312.75, -562949953421313.0); ++ TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0); ++#endif + #ifdef TEST_LDOUBLE + /* The result can only be represented in long double. */ + TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L); +@@ -5207,6 +5239,22 @@ rint_test_towardzero (void) + TEST_f_f (rint, -0.1, -0.0); + TEST_f_f (rint, -0.25, -0.0); + TEST_f_f (rint, -0.625, -0.0); ++ TEST_f_f (rint, 1048576.75, 1048576.0); ++ TEST_f_f (rint, 2097152.75, 2097152.0); ++ TEST_f_f (rint, -1048576.75, -1048576.0); ++ TEST_f_f (rint, -2097152.75, -2097152.0); ++#ifndef TEST_FLOAT ++ TEST_f_f (rint, 70368744177664.75, 70368744177664.0); ++ TEST_f_f (rint, 140737488355328.75, 140737488355328.0); ++ TEST_f_f (rint, 281474976710656.75, 281474976710656.0); ++ TEST_f_f (rint, 562949953421312.75, 562949953421312.0); ++ TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0); ++ TEST_f_f (rint, -70368744177664.75, -70368744177664.0); ++ TEST_f_f (rint, -140737488355328.75, -140737488355328.0); ++ TEST_f_f (rint, -281474976710656.75, -281474976710656.0); ++ TEST_f_f (rint, -562949953421312.75, -562949953421312.0); ++ TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0); ++#endif + #ifdef TEST_LDOUBLE + /* The result can only be represented in long double. */ + TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L); +@@ -5277,6 +5325,22 @@ rint_test_downward (void) + TEST_f_f (rint, -0.1, -1.0); + TEST_f_f (rint, -0.25, -1.0); + TEST_f_f (rint, -0.625, -1.0); ++ TEST_f_f (rint, 1048576.75, 1048576.0); ++ TEST_f_f (rint, 2097152.75, 2097152.0); ++ TEST_f_f (rint, -1048576.75, -1048577.0); ++ TEST_f_f (rint, -2097152.75, -2097153.0); ++#ifndef TEST_FLOAT ++ TEST_f_f (rint, 70368744177664.75, 70368744177664.0); ++ TEST_f_f (rint, 140737488355328.75, 140737488355328.0); ++ TEST_f_f (rint, 281474976710656.75, 281474976710656.0); ++ TEST_f_f (rint, 562949953421312.75, 562949953421312.0); ++ TEST_f_f (rint, 1125899906842624.75, 1125899906842624.0); ++ TEST_f_f (rint, -70368744177664.75, -70368744177665.0); ++ TEST_f_f (rint, -140737488355328.75, -140737488355329.0); ++ TEST_f_f (rint, -281474976710656.75, -281474976710657.0); ++ TEST_f_f (rint, -562949953421312.75, -562949953421313.0); ++ TEST_f_f (rint, -1125899906842624.75, -1125899906842625.0); ++#endif + #ifdef TEST_LDOUBLE + /* The result can only be represented in long double. */ + TEST_f_f (rint, 4503599627370495.5L, 4503599627370495.0L); +@@ -5347,6 +5411,22 @@ rint_test_upward (void) + TEST_f_f (rint, -0.1, -0.0); + TEST_f_f (rint, -0.25, -0.0); + TEST_f_f (rint, -0.625, -0.0); ++ TEST_f_f (rint, 1048576.75, 1048577.0); ++ TEST_f_f (rint, 2097152.75, 2097153.0); ++ TEST_f_f (rint, -1048576.75, -1048576.0); ++ TEST_f_f (rint, -2097152.75, -2097152.0); ++#ifndef TEST_FLOAT ++ TEST_f_f (rint, 70368744177664.75, 70368744177665.0); ++ TEST_f_f (rint, 140737488355328.75, 140737488355329.0); ++ TEST_f_f (rint, 281474976710656.75, 281474976710657.0); ++ TEST_f_f (rint, 562949953421312.75, 562949953421313.0); ++ TEST_f_f (rint, 1125899906842624.75, 1125899906842625.0); ++ TEST_f_f (rint, -70368744177664.75, -70368744177664.0); ++ TEST_f_f (rint, -140737488355328.75, -140737488355328.0); ++ TEST_f_f (rint, -281474976710656.75, -281474976710656.0); ++ TEST_f_f (rint, -562949953421312.75, -562949953421312.0); ++ TEST_f_f (rint, -1125899906842624.75, -1125899906842624.0); ++#endif + #ifdef TEST_LDOUBLE + /* The result can only be represented in long double. */ + TEST_f_f (rint, 4503599627370495.5L, 4503599627370496.0L); +diff --git a/sysdeps/ieee754/flt-32/s_rintf.c b/sysdeps/ieee754/flt-32/s_rintf.c +index 9ea9b6f..9ba6b57 100644 +--- a/sysdeps/ieee754/flt-32/s_rintf.c ++++ b/sysdeps/ieee754/flt-32/s_rintf.c +@@ -26,34 +26,22 @@ float + __rintf(float x) + { + int32_t i0,j0,sx; +- u_int32_t i,i1; + float w,t; + GET_FLOAT_WORD(i0,x); + sx = (i0>>31)&1; + j0 = ((i0>>23)&0xff)-0x7f; + if(j0<23) { + if(j0<0) { +- if((i0&0x7fffffff)==0) return x; +- i1 = (i0&0x07fffff); +- i0 &= 0xfff00000; +- i0 |= ((i1|-i1)>>9)&0x400000; +- SET_FLOAT_WORD(x,i0); + w = TWO23[sx]+x; + t = w-TWO23[sx]; + GET_FLOAT_WORD(i0,t); + SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31)); + return t; +- } else { +- i = (0x007fffff)>>j0; +- if((i0&i)==0) return x; /* x is integral */ +- i>>=1; +- if((i0&i)!=0) i0 = (i0&(~i))|((0x100000)>>j0); + } + } else { + if(j0==0x80) return x+x; /* inf or NaN */ + else return x; /* x is integral */ + } +- SET_FLOAT_WORD(x,i0); + w = TWO23[sx]+x; + return w-TWO23[sx]; + } -- cgit v1.2.3-54-g00ecf