| /src/lib/libm/src/ |
| e_log.c | 48 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
50 * ln2_hi + ln2_lo,
51 * where n*ln2_hi is always exact for |n| < 2000.
73 ln2_hi = 6.93147180369123816490e-01, /* 3fe62e42 fee00000 */ variable in typeref:typename:const double
112 return dk*ln2_hi+dk*ln2_lo;}
116 return dk*ln2_hi-((R-dk*ln2_lo)-f);}
131 return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
134 return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
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| e_logf.c | 25 ln2_hi = 6.9313812256e-01, /* 0x3f317180 */ variable in typeref:typename:const float
63 return dk*ln2_hi+dk*ln2_lo;}
67 return dk*ln2_hi-((R-dk*ln2_lo)-f);}
82 return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
85 return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
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| s_expm1.c | 121 ln2_hi = 6.93147180369123816490e-01,/* 0x3fe62e42, 0xfee00000 */ variable in typeref:typename:const double
168 {hi = x - ln2_hi; lo = ln2_lo; k = 1;}
170 {hi = x + ln2_hi; lo = -ln2_lo; k = -1;}
174 hi = x - t*ln2_hi; /* t*ln2_hi is exact here */
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| s_expm1f.c | 29 ln2_hi = 6.9313812256e-01,/* 0x3f317180 */ variable in typeref:typename:const float
73 {hi = x - ln2_hi; lo = ln2_lo; k = 1;}
75 {hi = x + ln2_hi; lo = -ln2_lo; k = -1;}
79 hi = x - t*ln2_hi; /* t*ln2_hi is exact here */
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| s_clogl.c | 40 ln2_hi = 6.9314718055829871e-1; /* 0x162e42fefa0000.0p-53 */ variable in typeref:typename:const double
100 (MAX_EXP - 2) * ln2l_lo + (MAX_EXP - 2) * ln2_hi, v));
107 (MIN_EXP - 2) * ln2l_lo + (MIN_EXP - 2) * ln2_hi, v));
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| s_log1pf.c | 27 ln2_hi = 6.9313812256e-01, /* 0x3f317180 */ variable in typeref:typename:const float
96 else {c += k*ln2_lo; return k*ln2_hi+c;}
100 return k*ln2_hi-((R-(k*ln2_lo+c))-f);
106 return k*ln2_hi-((hfsq-(s*(hfsq+R)+(k*ln2_lo+c)))-f);
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| /src/lib/libm/ld80/ |
| s_logl.c | 116 #define ln2_hi F_hi(TSIZE - 1) macro
127 * ln2_hi and each F_hi(i) are rounded to a number of bits that
128 * makes F_hi(i) + dk*ln2_hi exact for all i and all dk.
130 * The last entry (for X just below 2) is used to define ln2_hi
132 * with dk*ln2_hi and dk*ln2_lo, respectively, when dk = -1.
531 * F_hi(i) with dk*ln_2_lo and dk*ln2_hi when k is -1 and i is
546 _3sumF(val_hi, val_lo, F_hi(i) + dk * ln2_hi);
656 _3sumF(val_hi, val_lo, F_hi(i) + dk * ln2_hi);
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| /src/lib/libm/ld128/ |
| s_logl.c | 120 #define ln2_hi F_hi(TSIZE - 1) macro
132 * ln2_hi and each F_hi(i) are rounded to a number of bits that
133 * makes F_hi(i) + dk*ln2_hi exact for all i and all dk.
135 * The last entry (for X just below 2) is used to define ln2_hi
137 * with dk*ln2_hi and dk*ln2_lo, respectively, when dk = -1.
527 * F_hi(i) with dk*ln_2_lo and dk*ln2_hi when k is -1 and i is
558 _3sumF(val_hi, val_lo, F_hi(i) + dk * ln2_hi);
666 _3sumF(val_hi, val_lo, F_hi(i) + dk * ln2_hi);
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