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123

/bionic/libc/upstream-openbsd/lib/libc/string/
Dmemmem.c30 twobyte_memmem(const unsigned char *h, size_t k, const unsigned char *n) in twobyte_memmem() argument
33 for (h+=2, k-=2; k; k--, hw = hw<<8 | *h++) in twobyte_memmem()
39 threebyte_memmem(const unsigned char *h, size_t k, const unsigned char *n) in threebyte_memmem() argument
43 for (h+=3, k-=3; k; k--, hw = (hw|*h++)<<8) in threebyte_memmem()
49 fourbyte_memmem(const unsigned char *h, size_t k, const unsigned char *n) in fourbyte_memmem() argument
53 for (h+=4, k-=4; k; k--, hw = hw<<8 | *h++) in fourbyte_memmem()
72 size_t i, ip, jp, k, p, ms, p0, mem, mem0; in twoway_memmem() local
81 ip = -1; jp = 0; k = p = 1; in twoway_memmem()
82 while (jp+k<l) { in twoway_memmem()
83 if (n[ip+k] == n[jp+k]) { in twoway_memmem()
[all …]
Dstrstr.c69 size_t l, ip, jp, k, p, ms, p0, mem, mem0; in twoway_strstr() local
79 ip = -1; jp = 0; k = p = 1; in twoway_strstr()
80 while (jp+k<l) { in twoway_strstr()
81 if (n[ip+k] == n[jp+k]) { in twoway_strstr()
82 if (k == p) { in twoway_strstr()
84 k = 1; in twoway_strstr()
85 } else k++; in twoway_strstr()
86 } else if (n[ip+k] > n[jp+k]) { in twoway_strstr()
87 jp += k; in twoway_strstr()
88 k = 1; in twoway_strstr()
[all …]
/bionic/libc/upstream-openbsd/lib/libc/gdtoa/
Dmisc.c50 (k) int k; in Balloc() argument
52 (int k)
64 if (k <= Kmax && (rv = freelist[k]) !=0) {
65 freelist[k] = rv->next;
68 x = 1 << k;
76 if (k <= Kmax && pmem_next - private_mem + len <= PRIVATE_mem) {
86 rv->k = k;
103 if (v->k > Kmax)
111 v->next = freelist[v->k];
112 freelist[v->k] = v;
[all …]
Dsmisc.c43 int i, k; local
47 for(k = 0, y = 1; x > y; y <<= 1, k++) ;
49 b = Balloc(k);
55 b = Balloc(k+1);
91 int k, ka, kb; local
95 k = ka - kb + ULbits*(a->wds - b->wds);
97 if (k > 0) {
98 word0(&da) += (k >> 2)*Exp_msk1;
99 if (k &= 3)
100 dval(&da) *= 1 << k;
[all …]
Dstrtord.c36 ULtod(L, bits, exp, k) ULong *L; ULong *bits; Long exp; int k; in ULtod() argument
38 ULtod(ULong *L, ULong *bits, Long exp, int k)
41 switch(k & STRTOG_Retmask) {
70 if (k & STRTOG_Neg)
85 int k; local
93 k = strtodg(s, sp, fpi, &exp, bits);
94 ULtod((ULong*)d, bits, exp, k);
95 return k;
Dgmisc.c36 rshift(b, k) Bigint *b; int k; in rshift() argument
38 rshift(Bigint *b, int k)
45 n = k >> kshift;
49 if (k &= kmask) {
50 n = ULbits - k;
51 y = *x++ >> k;
54 y = *x++ >> k;
DstrtorQ.c54 ULtoQ(L, bits, exp, k) ULong *L; ULong *bits; Long exp; int k; in ULtoQ() argument
56 ULtoQ(ULong *L, ULong *bits, Long exp, int k)
59 switch(k & STRTOG_Retmask) {
94 if (k & STRTOG_Neg)
109 int k; local
117 k = strtodg(s, sp, fpi, &exp, bits);
118 ULtoQ((ULong*)L, bits, exp, k);
119 return k;
Dgethex.c48 int big, esign, havedig, irv, j, k, n, n0, nbits, up, zret; local
190 for(j = n, k = 0; j >>= 1; ++k);
191 *bp = b = Balloc(k);
203 for(k = 0; n > (1 << (kshift-2)) - 1; n >>= 1)
204 k++;
205 b = Balloc(k);
242 k = n - 1;
243 if (x[k>>kshift] & 1 << (k & kmask)) {
245 if (k > 0 && any_on(b,k))
304 k = n - 1;
[all …]
Dgdtoa.c41 int i, k; local
46 k = 0;
49 k++;
52 if (!k)
53 k = 1;
55 b = Balloc(k);
159 int j, j1, k, k0, k_check, kind, leftright, m2, m5, nbits; local
248 k = (int)ds;
249 if (ds < 0. && ds != k)
250 k--; /* want k = floor(ds) */
[all …]
Ddtoa.c119 j, j1, k, k0, k_check, leftright, m2, m5, s2, s5, local
259 k = (int)ds;
260 if (ds < 0. && ds != k)
261 k--; /* want k = floor(ds) */
263 if (k >= 0 && k <= Ten_pmax) {
264 if (dval(&d) < tens[k])
265 k--;
277 if (k >= 0) {
279 s5 = k;
280 s2 += k;
[all …]
/bionic/libm/upstream-freebsd/lib/msun/src/
Ds_log1pf.c43 int32_t k,hx,hu,ax; in log1pf() local
48 k = 1; in log1pf()
62 k=0;f=x;hu=1;} /* sqrt(2)/2- <= 1+x < sqrt(2)+ */ in log1pf()
65 if(k!=0) { in log1pf()
69 k = (hu>>23)-127; in log1pf()
71 c = (k>0)? (float)1.0-(u-x):x-(u-(float)1.0); in log1pf()
76 k = (hu>>23)-127; in log1pf()
90 k += 1; in log1pf()
99 if(k==0) { in log1pf()
102 c += k*ln2_lo; in log1pf()
[all …]
Ds_log1p.c105 int32_t k,hx,hu,ax; in log1p() local
110 k = 1; in log1p()
124 k=0;f=x;hu=1;} /* sqrt(2)/2- <= 1+x < sqrt(2)+ */ in log1p()
127 if(k!=0) { in log1p()
131 k = (hu>>20)-1023; in log1p()
132 c = (k>0)? 1.0-(u-x):x-(u-1.0);/* correction term */ in log1p()
137 k = (hu>>20)-1023; in log1p()
151 k += 1; in log1p()
160 if(k==0) { in log1p()
163 c += k*ln2_lo; in log1p()
[all …]
Ds_expm1f.c45 int32_t k,xsb; in expm1f() local
71 {hi = x - ln2_hi; lo = ln2_lo; k = 1;} in expm1f()
73 {hi = x + ln2_hi; lo = -ln2_lo; k = -1;} in expm1f()
75 k = invln2*x+((xsb==0)?(float)0.5:(float)-0.5); in expm1f()
76 t = k; in expm1f()
87 else k = 0; in expm1f()
95 if(k==0) return x - (x*e-hxs); /* c is 0 */ in expm1f()
97 SET_FLOAT_WORD(twopk,((u_int32_t)(0x7f+k))<<23); /* 2^k */ in expm1f()
100 if(k== -1) return (float)0.5*(x-e)-(float)0.5; in expm1f()
101 if(k==1) { in expm1f()
[all …]
Ds_expm1.c136 int32_t k,xsb; in expm1() local
165 {hi = x - ln2_hi; lo = ln2_lo; k = 1;} in expm1()
167 {hi = x + ln2_hi; lo = -ln2_lo; k = -1;} in expm1()
169 k = invln2*x+((xsb==0)?0.5:-0.5); in expm1()
170 t = k; in expm1()
181 else k = 0; in expm1()
189 if(k==0) return x - (x*e-hxs); /* c is 0 */ in expm1()
191 INSERT_WORDS(twopk,((u_int32_t)(0x3ff+k))<<20,0); /* 2^k */ in expm1()
194 if(k== -1) return 0.5*(x-e)-0.5; in expm1()
195 if(k==1) { in expm1()
[all …]
De_expf.c49 int32_t k=0,xsb; in expf() local
69 hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb; in expf()
71 k = invln2*x+halF[xsb]; in expf()
72 t = k; in expf()
81 else k = 0; in expf()
85 if(k >= -125) in expf()
86 SET_FLOAT_WORD(twopk,((u_int32_t)(0x7f+k))<<23); in expf()
88 SET_FLOAT_WORD(twopk,((u_int32_t)(0x7f+(k+100)))<<23); in expf()
90 if(k==0) return one-((x*c)/(c-(float)2.0)-x); in expf()
92 if(k >= -125) { in expf()
[all …]
De_logf.c39 int32_t k,ix,i,j; in logf() local
43 k=0; in logf()
48 k -= 25; x *= two25; /* subnormal number, scale up x */ in logf()
52 k += (ix>>23)-127; in logf()
56 k += (i>>23); in logf()
60 if(k==0) { in logf()
63 dk=(float)k; in logf()
68 if(k==0) return f-R; else {dk=(float)k; in logf()
72 dk = (float)k; in logf()
83 if(k==0) return f-(hfsq-s*(hfsq+R)); else in logf()
[all …]
De_log.c92 int32_t k,hx,i,j; in log() local
97 k=0; in log()
102 k -= 54; x *= two54; /* subnormal number, scale up x */ in log()
106 k += (hx>>20)-1023; in log()
110 k += (i>>20); in log()
114 if(k==0) { in log()
117 dk=(double)k; in log()
122 if(k==0) return f-R; else {dk=(double)k; in log()
126 dk = (double)k; in log()
137 if(k==0) return f-(hfsq-s*(hfsq+R)); else in log()
[all …]
De_exp.c108 int32_t k=0,xsb; in exp() local
131 hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb; in exp()
133 k = (int)(invln2*x+halF[xsb]); in exp()
134 t = k; in exp()
143 else k = 0; in exp()
147 if(k >= -1021) in exp()
148 INSERT_WORDS(twopk,((u_int32_t)(0x3ff+k))<<20, 0); in exp()
150 INSERT_WORDS(twopk,((u_int32_t)(0x3ff+(k+1000)))<<20, 0); in exp()
152 if(k==0) return one-((x*c)/(c-2.0)-x); in exp()
154 if(k >= -1021) { in exp()
[all …]
Ds_cbrtl.c43 int k; in cbrtl() local
47 k = expsign & 0x7fff; in cbrtl()
53 if (k == BIAS + LDBL_MAX_EXP) in cbrtl()
57 if (k == 0) { in cbrtl()
63 k = u.bits.exp; in cbrtl()
64 k -= BIAS + 514; in cbrtl()
66 k -= BIAS; in cbrtl()
71 switch (k % 3) { in cbrtl()
75 k--; in cbrtl()
80 k -= 2; in cbrtl()
[all …]
De_pow.c105 int32_t i,j,k,yisint,n; in pow() local
133 k = (iy>>20)-0x3ff; /* exponent */ in pow()
134 if(k>20) { in pow()
135 j = ly>>(52-k); in pow()
136 if(((u_int32_t)j<<(52-k))==ly) yisint = 2-(j&1); in pow()
138 j = iy>>(20-k); in pow()
139 if((j<<(20-k))==iy) yisint = 2-(j&1); in pow()
220 if(j<=0x3988E) k=0; /* |x|<sqrt(3/2) */ in pow()
221 else if(j<0xBB67A) k=1; /* |x|<sqrt(3) */ in pow()
222 else {k=0;n+=1;ix -= 0x00100000;} in pow()
[all …]
De_powf.c63 int32_t i,j,k,yisint,n; in powf() local
90 k = (iy>>23)-0x7f; /* exponent */ in powf()
91 j = iy>>(23-k); in powf()
92 if((j<<(23-k))==iy) yisint = 2-(j&1); in powf()
161 if(j<=0x1cc471) k=0; /* |x|<sqrt(3/2) */ in powf()
162 else if(j<0x5db3d7) k=1; /* |x|<sqrt(3) */ in powf()
163 else {k=0;n+=1;ix -= 0x00800000;} in powf()
167 u = ax-bp[k]; /* bp[0]=1.0, bp[1]=1.5 */ in powf()
168 v = one/(ax+bp[k]); in powf()
175 SET_FLOAT_WORD(t_h,is+0x00400000+(k<<21)); in powf()
[all …]
Ds_exp2.c348 int k; in exp2() local
373 k = (i0 >> TBLBITS) << 20; in exp2()
381 if (k >= -(1021 << 20)) in exp2()
382 INSERT_WORDS(twopk, 0x3ff00000 + k, 0); in exp2()
384 INSERT_WORDS(twopkp1000, 0x3ff00000 + k + (1000 << 20), 0); in exp2()
388 if(k >= -(1021 << 20)) { in exp2()
389 if (k == 1024 << 20) in exp2()
De_log2f.c35 int32_t i,k,hx; in log2f() local
39 k=0; in log2f()
44 k -= 25; x *= two25; /* subnormal number, scale up x */ in log2f()
50 k += (hx>>23)-127; in log2f()
54 k += (i>>23); in log2f()
55 y = (float)k; in log2f()
/bionic/libm/upstream-freebsd/lib/msun/ld128/
Dk_expl.h276 int k; in k_hexpl() local
278 __k_expl(x, hip, lop, &k); in k_hexpl()
279 SET_FLOAT_WORD(twopkm1, 0x3f800000 + ((k - 1) << 23)); in k_hexpl()
288 int k; in hexpl() local
291 __k_expl(x, &hi, &lo, &k); in hexpl()
292 SET_LDBL_EXPSIGN(twopkm2, BIAS + k - 2); in hexpl()
305 int half_expt, k; in __ldexp_cexpl() local
309 __k_expl(x, &hi, &lo, &k); in __ldexp_cexpl()
312 expt += k - 16382; in __ldexp_cexpl()
Ds_expl.c65 int k; in expl() local
89 __k_expl(x, &hi, &lo, &k); in expl()
97 if (k >= LDBL_MIN_EXP) { in expl()
98 if (k == LDBL_MAX_EXP) in expl()
100 SET_LDBL_EXPSIGN(twopk, BIAS + k); in expl()
103 SET_LDBL_EXPSIGN(twopk, BIAS + k + 10000); in expl()
208 int k, n, n2; in expm1l() local
273 k = n >> LOG2_INTERVALS; in expm1l()
280 v.xbits.expsign = BIAS + k; in expm1l()
293 if (k == 0) { in expm1l()
[all …]

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