| /bionic/libm/upstream-freebsd/lib/msun/src/ |
| k_logf.h | 29 float hfsq,s,z,R,w,t1,t2; local
37 hfsq=(float)0.5*f*f;
38 return s*(hfsq+R);
|
| e_log10f.c | 35 float f,hfsq,hi,lo,r,y; local
58 hfsq = (float)0.5*f*f;
63 return (r - hfsq + f) * ((float_t)ivln10lo + ivln10hi) +
65 hi = f - hfsq;
68 lo = (f - hi) - hfsq + r;
|
| e_log2f.c | 33 float f,hfsq,hi,lo,r,y; local
56 hfsq = (float)0.5*f*f;
74 return (r - hfsq + f) * ((float_t)ivln2lo + ivln2hi) + y;
76 hi = f - hfsq;
79 lo = (f - hi) - hfsq + r;
|
| k_log.h | 46 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
50 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
53 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
90 double hfsq,s,z,R,w,t1,t2; local
98 hfsq=0.5*f*f;
99 return s*(hfsq+R)
[all...] |
| e_log10.c | 41 double f,hfsq,hi,lo,r,val_hi,val_lo,w,y,y2; local
65 hfsq = 0.5*f*f;
69 hi = f - hfsq;
71 lo = (f - hi) - hfsq + r;
|
| e_log2.c | 41 double f,hfsq,hi,lo,r,val_hi,val_lo,w,y; local
65 hfsq = 0.5*f*f;
69 * f-hfsq must (for args near 1) be evaluated in extra precision
71 * This is fairly efficient since f-hfsq only depends on f, so can
72 * be evaluated in parallel with R. Not combining hfsq with R also
77 * theorem for spitting f-hfsq as hi+lo, unless double_t was used
98 hi = f - hfsq;
100 lo = (f - hi) - hfsq + r;
|
| s_log1p.c | 45 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
48 * log1p(f) = f - (hfsq - s*(hfsq+R)).
51 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
103 double hfsq,f,c,s,z,R,u; local
156 hfsq=0.5*f*f;
166 R = hfsq*(1.0-0.66666666666666666*f)
[all...] |
| s_log1pf.c | 41 float hfsq,f,c,s,z,R,u; local
95 hfsq=(float)0.5*f*f;
105 R = hfsq*((float)1.0-(float)0.66666666666666666*f);
112 if(k==0) return f-(hfsq-s*(hfsq+R)); else
113 return k*ln2_hi-((hfsq-(s*(hfsq+R)+(k*ln2_lo+c)))-f);
|
| e_log.c | 40 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
44 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
47 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
88 double hfsq,f,s,z,R,w,t1,t2,dk; local
133 hfsq=0.5*f*f;
134 if(k==0) return f-(hfsq-s*(hfsq+R)); els
[all...] |
| e_logf.c | 37 float hfsq,f,s,z,R,w,t1,t2,dk; local
81 hfsq=(float)0.5*f*f;
82 if(k==0) return f-(hfsq-s*(hfsq+R)); else
83 return dk*ln2_hi-((hfsq-(s*(hfsq+R)+dk*ln2_lo))-f);
|
| /external/fdlibm/ |
| s_log1p.c | 43 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
46 * log1p(f) = f - (hfsq - s*(hfsq+R)).
49 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
106 double hfsq,f,c,s,z,R,u; local
152 hfsq=0.5*f*f;
156 R = hfsq*(1.0-0.66666666666666666*f)
[all...] |
| e_log.c | 37 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
41 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
44 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
92 double hfsq,f,s,z,R,w,t1,t2,dk; local
132 hfsq=0.5*f*f;
133 if(k==0) return f-(hfsq-s*(hfsq+R)); els
[all...] |
| /external/qemu/distrib/sdl-1.2.15/src/video/ |
| e_log.h | 40 * Note that 2s = f - s*f = f - hfsq + s*hfsq, where hfsq = f*f/2.
44 * log(1+f) = f - (hfsq - s*(hfsq+R)). (better accuracy)
47 * = k*ln2_hi+(f-(hfsq-(s*(hfsq+R)+k*ln2_lo)))
93 double hfsq,f,s,z,R,w,t1,t2,dk; local
133 hfsq=0.5*f*f;
134 if(k==0) return f-(hfsq-s*(hfsq+R)); els
[all...] |
