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/bionic/libm/upstream-freebsd/lib/msun/src/
De_sqrtf.c30 int32_t ix,s,q,m,t,i; in __ieee754_sqrtf() local
33 GET_FLOAT_WORD(ix,x); in __ieee754_sqrtf()
36 if((ix&0x7f800000)==0x7f800000) { in __ieee754_sqrtf()
41 if(ix<=0) { in __ieee754_sqrtf()
42 if((ix&(~sign))==0) return x;/* sqrt(+-0) = +-0 */ in __ieee754_sqrtf()
43 else if(ix<0) in __ieee754_sqrtf()
47 m = (ix>>23); in __ieee754_sqrtf()
49 for(i=0;(ix&0x00800000)==0;i++) ix<<=1; in __ieee754_sqrtf()
53 ix = (ix&0x007fffff)|0x00800000; in __ieee754_sqrtf()
55 ix += ix; in __ieee754_sqrtf()
[all …]
De_j0f.c51 int32_t hx,ix; in __ieee754_j0f() local
54 ix = hx&0x7fffffff; in __ieee754_j0f()
55 if(ix>=0x7f800000) return one/(x*x); in __ieee754_j0f()
57 if(ix >= 0x40000000) { /* |x| >= 2.0 */ in __ieee754_j0f()
61 if(ix<0x7f000000) { /* Make sure x+x does not overflow. */ in __ieee754_j0f()
70 if(ix>0x58000000) z = (invsqrtpi*cc)/sqrtf(x); /* |x|>2**49 */ in __ieee754_j0f()
77 if(ix<0x3b000000) { /* |x| < 2**-9 */ in __ieee754_j0f()
79 if(ix<0x39800000) return one; /* |x|<2**-12 */ in __ieee754_j0f()
86 if(ix < 0x3F800000) { /* |x| < 1.00 */ in __ieee754_j0f()
111 int32_t hx,ix; in __ieee754_y0f() local
[all …]
De_j0.c89 int32_t hx,ix; in __ieee754_j0() local
92 ix = hx&0x7fffffff; in __ieee754_j0()
93 if(ix>=0x7ff00000) return one/(x*x); in __ieee754_j0()
95 if(ix >= 0x40000000) { /* |x| >= 2.0 */ in __ieee754_j0()
99 if(ix<0x7fe00000) { /* Make sure x+x does not overflow. */ in __ieee754_j0()
108 if(ix>0x48000000) z = (invsqrtpi*cc)/sqrt(x); in __ieee754_j0()
115 if(ix<0x3f200000) { /* |x| < 2**-13 */ in __ieee754_j0()
117 if(ix<0x3e400000) return one; /* |x|<2**-27 */ in __ieee754_j0()
124 if(ix < 0x3FF00000) { /* |x| < 1.00 */ in __ieee754_j0()
149 int32_t hx,ix,lx; in __ieee754_y0() local
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De_j1.c90 int32_t hx,ix; in __ieee754_j1() local
93 ix = hx&0x7fffffff; in __ieee754_j1()
94 if(ix>=0x7ff00000) return one/x; in __ieee754_j1()
96 if(ix >= 0x40000000) { /* |x| >= 2.0 */ in __ieee754_j1()
100 if(ix<0x7fe00000) { /* make sure y+y not overflow */ in __ieee754_j1()
109 if(ix>0x48000000) z = (invsqrtpi*cc)/sqrt(y); in __ieee754_j1()
117 if(ix<0x3e400000) { /* |x|<2**-27 */ in __ieee754_j1()
146 int32_t hx,ix,lx; in __ieee754_y1() local
149 ix = 0x7fffffff&hx; in __ieee754_y1()
155 if(ix>=0x7ff00000) return vone/(x+x*x); in __ieee754_y1()
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De_j1f.c52 int32_t hx,ix; in __ieee754_j1f() local
55 ix = hx&0x7fffffff; in __ieee754_j1f()
56 if(ix>=0x7f800000) return one/x; in __ieee754_j1f()
58 if(ix >= 0x40000000) { /* |x| >= 2.0 */ in __ieee754_j1f()
62 if(ix<0x7f000000) { /* make sure y+y not overflow */ in __ieee754_j1f()
71 if(ix>0x58000000) z = (invsqrtpi*cc)/sqrtf(y); /* |x|>2**49 */ in __ieee754_j1f()
79 if(ix<0x39000000) { /* |x|<2**-13 */ in __ieee754_j1f()
108 int32_t hx,ix; in __ieee754_y1f() local
111 ix = 0x7fffffff&hx; in __ieee754_y1f()
112 if(ix>=0x7f800000) return vone/(x+x*x); in __ieee754_y1f()
[all …]
Ds_logbf.c28 int32_t ix; in logbf() local
29 GET_FLOAT_WORD(ix,x); in logbf()
30 ix &= 0x7fffffff; /* high |x| */ in logbf()
31 if(ix==0) return (float)-1.0/fabsf(x); in logbf()
32 if(ix>=0x7f800000) return x*x; in logbf()
33 if(ix<0x00800000) { in logbf()
35 GET_FLOAT_WORD(ix,x); in logbf()
36 ix &= 0x7fffffff; in logbf()
37 return (float) ((ix>>23)-127-25); in logbf()
39 return (float) ((ix>>23)-127); in logbf()
Ds_logb.c33 int32_t lx,ix; in logb() local
34 EXTRACT_WORDS(ix,lx,x); in logb()
35 ix &= 0x7fffffff; /* high |x| */ in logb()
36 if((ix|lx)==0) return -1.0/fabs(x); in logb()
37 if(ix>=0x7ff00000) return x*x; in logb()
38 if(ix<0x00100000) { in logb()
40 GET_HIGH_WORD(ix,x); in logb()
41 ix &= 0x7fffffff; in logb()
42 return (double) ((ix>>20)-1023-54); in logb()
44 return (double) ((ix>>20)-1023); in logb()
De_logf.c39 int32_t k,ix,i,j; in __ieee754_logf() local
41 GET_FLOAT_WORD(ix,x); in __ieee754_logf()
44 if (ix < 0x00800000) { /* x < 2**-126 */ in __ieee754_logf()
45 if ((ix&0x7fffffff)==0) in __ieee754_logf()
47 if (ix<0) return (x-x)/zero; /* log(-#) = NaN */ in __ieee754_logf()
49 GET_FLOAT_WORD(ix,x); in __ieee754_logf()
51 if (ix >= 0x7f800000) return x+x; in __ieee754_logf()
52 k += (ix>>23)-127; in __ieee754_logf()
53 ix &= 0x007fffff; in __ieee754_logf()
54 i = (ix+(0x95f64<<3))&0x800000; in __ieee754_logf()
[all …]
De_coshf.c28 int32_t ix; in __ieee754_coshf() local
30 GET_FLOAT_WORD(ix,x); in __ieee754_coshf()
31 ix &= 0x7fffffff; in __ieee754_coshf()
34 if(ix>=0x7f800000) return x*x; in __ieee754_coshf()
37 if(ix<0x3eb17218) { in __ieee754_coshf()
40 if (ix<0x39800000) return one; /* cosh(tiny) = 1 */ in __ieee754_coshf()
45 if (ix < 0x41100000) { in __ieee754_coshf()
51 if (ix < 0x42b17217) return half*__ieee754_expf(fabsf(x)); in __ieee754_coshf()
54 if (ix<=0x42b2d4fc) in __ieee754_coshf()
De_cosh.c49 int32_t ix; in __ieee754_cosh() local
52 GET_HIGH_WORD(ix,x); in __ieee754_cosh()
53 ix &= 0x7fffffff; in __ieee754_cosh()
56 if(ix>=0x7ff00000) return x*x; in __ieee754_cosh()
59 if(ix<0x3fd62e43) { in __ieee754_cosh()
62 if (ix<0x3c800000) return w; /* cosh(tiny) = 1 */ in __ieee754_cosh()
67 if (ix < 0x40360000) { in __ieee754_cosh()
73 if (ix < 0x40862E42) return half*__ieee754_exp(fabs(x)); in __ieee754_cosh()
76 if (ix<=0x408633CE) in __ieee754_cosh()
Ds_tanf.c40 int32_t n, hx, ix; in tanf() local
43 ix = hx & 0x7fffffff; in tanf()
45 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */ in tanf()
46 if(ix<0x39800000) /* |x| < 2**-12 */ in tanf()
50 if(ix<=0x407b53d1) { /* |x| ~<= 5*pi/4 */ in tanf()
51 if(ix<=0x4016cbe3) /* |x| ~<= 3pi/4 */ in tanf()
56 if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */ in tanf()
57 if(ix<=0x40afeddf) /* |x| ~<= 7*pi/4 */ in tanf()
64 else if (ix>=0x7f800000) return x-x; in tanf()
Ds_erff.c83 int32_t hx,ix,i; in erff() local
86 ix = hx&0x7fffffff; in erff()
87 if(ix>=0x7f800000) { /* erff(nan)=nan */ in erff()
92 if(ix < 0x3f580000) { /* |x|<0.84375 */ in erff()
93 if(ix < 0x38800000) { /* |x|<2**-14 */ in erff()
94 if (ix < 0x04000000) /* |x|<0x1p-119 */ in erff()
104 if(ix < 0x3fa00000) { /* 0.84375 <= |x| < 1.25 */ in erff()
110 if (ix >= 0x40800000) { /* inf>|x|>=4 */ in erff()
115 if(ix< 0x4036db8c) { /* |x| < 2.85715 ~ 1/0.35 */ in erff()
130 int32_t hx,ix; in erfcf() local
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De_rem_pio2.c59 int32_t e0,i,j,nx,n,ix,hx; in __ieee754_rem_pio2() local
63 ix = hx&0x7fffffff; in __ieee754_rem_pio2()
65 if(ix<=0x3fe921fb) /* |x| ~<= pi/4 , no need for reduction */ in __ieee754_rem_pio2()
68 if (ix <= 0x400f6a7a) { /* |x| ~<= 5pi/4 */ in __ieee754_rem_pio2()
69 if ((ix & 0xfffff) == 0x921fb) /* |x| ~= pi/2 or 2pi/2 */ in __ieee754_rem_pio2()
71 if (ix <= 0x4002d97c) { /* |x| ~<= 3pi/4 */ in __ieee754_rem_pio2()
97 if (ix <= 0x401c463b) { /* |x| ~<= 9pi/4 */ in __ieee754_rem_pio2()
98 if (ix <= 0x4015fdbc) { /* |x| ~<= 7pi/4 */ in __ieee754_rem_pio2()
99 if (ix == 0x4012d97c) /* |x| ~= 3pi/2 */ in __ieee754_rem_pio2()
113 if (ix == 0x401921fb) /* |x| ~= 4pi/2 */ in __ieee754_rem_pio2()
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Ds_sinf.c42 int32_t n, hx, ix; in sinf() local
45 ix = hx & 0x7fffffff; in sinf()
47 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */ in sinf()
48 if(ix<0x39800000) /* |x| < 2**-12 */ in sinf()
52 if(ix<=0x407b53d1) { /* |x| ~<= 5*pi/4 */ in sinf()
53 if(ix<=0x4016cbe3) { /* |x| ~<= 3pi/4 */ in sinf()
61 if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */ in sinf()
62 if(ix<=0x40afeddf) { /* |x| ~<= 7*pi/4 */ in sinf()
72 else if (ix>=0x7f800000) return x-x; in sinf()
Ds_cosf.c42 int32_t n, hx, ix; in cosf() local
45 ix = hx & 0x7fffffff; in cosf()
47 if(ix <= 0x3f490fda) { /* |x| ~<= pi/4 */ in cosf()
48 if(ix<0x39800000) /* |x| < 2**-12 */ in cosf()
52 if(ix<=0x407b53d1) { /* |x| ~<= 5*pi/4 */ in cosf()
53 if(ix>0x4016cbe3) /* |x| ~> 3*pi/4 */ in cosf()
62 if(ix<=0x40e231d5) { /* |x| ~<= 9*pi/4 */ in cosf()
63 if(ix>0x40afeddf) /* |x| ~> 7*pi/4 */ in cosf()
74 else if (ix>=0x7f800000) return x-x; in cosf()
De_pow.c106 int32_t hx,hy,ix,iy; in __ieee754_pow() local
111 ix = hx&0x7fffffff; iy = hy&0x7fffffff; in __ieee754_pow()
120 if(ix > 0x7ff00000 || ((ix==0x7ff00000)&&(lx!=0)) || in __ieee754_pow()
147 if(((ix-0x3ff00000)|lx)==0) in __ieee754_pow()
149 else if (ix >= 0x3ff00000)/* (|x|>1)**+-inf = inf,0 */ in __ieee754_pow()
167 if(ix==0x7ff00000||ix==0||ix==0x3ff00000){ in __ieee754_pow()
171 if(((ix-0x3ff00000)|yisint)==0) { in __ieee754_pow()
195 if(ix<=0x3fefffff) return (hy<0)? huge*huge:tiny*tiny; in __ieee754_pow()
196 if(ix>=0x3ff00000) return (hy>0)? huge*huge:tiny*tiny; in __ieee754_pow()
199 if(ix<0x3fefffff) return (hy<0)? s*huge*huge:s*tiny*tiny; in __ieee754_pow()
[all …]
De_lgammaf_r.c127 int i,ix; in __ieee754_lgammaf_r() local
133 ix = hx&0x7fffffff; in __ieee754_lgammaf_r()
134 if(ix>=0x7f800000) return x*x; in __ieee754_lgammaf_r()
138 if(ix<0x32000000) { /* |x|<2**-27, return -log(|x|) */ in __ieee754_lgammaf_r()
139 if(ix==0) in __ieee754_lgammaf_r()
147 if(ix>=0x4b000000) /* |x|>=2**23, must be -integer */ in __ieee754_lgammaf_r()
157 if (ix==0x3f800000||ix==0x40000000) r = 0; in __ieee754_lgammaf_r()
159 else if(ix<0x40000000) { in __ieee754_lgammaf_r()
160 if(ix<=0x3f666666) { /* lgamma(x) = lgamma(x+1)-log(x) */ in __ieee754_lgammaf_r()
162 if(ix>=0x3f3b4a20) {y = one-x; i= 0;} in __ieee754_lgammaf_r()
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Ds_atan.c77 int32_t ix,hx,id; in atan() local
80 ix = hx&0x7fffffff; in atan()
81 if(ix>=0x44100000) { /* if |x| >= 2^66 */ in atan()
84 if(ix>0x7ff00000|| in atan()
85 (ix==0x7ff00000&&(low!=0))) in atan()
89 } if (ix < 0x3fdc0000) { /* |x| < 0.4375 */ in atan()
90 if (ix < 0x3e400000) { /* |x| < 2^-27 */ in atan()
96 if (ix < 0x3ff30000) { /* |x| < 1.1875 */ in atan()
97 if (ix < 0x3fe60000) { /* 7/16 <=|x|<11/16 */ in atan()
103 if (ix < 0x40038000) { /* |x| < 2.4375 */ in atan()
De_sinhf.c28 int32_t ix,jx; in __ieee754_sinhf() local
31 ix = jx&0x7fffffff; in __ieee754_sinhf()
34 if(ix>=0x7f800000) return x+x; in __ieee754_sinhf()
39 if (ix < 0x41100000) { /* |x|<9 */ in __ieee754_sinhf()
40 if (ix<0x39800000) /* |x|<2**-12 */ in __ieee754_sinhf()
43 if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one)); in __ieee754_sinhf()
48 if (ix < 0x42b17217) return h*__ieee754_expf(fabsf(x)); in __ieee754_sinhf()
51 if (ix<=0x42b2d4fc) in __ieee754_sinhf()
De_sinh.c46 int32_t ix,jx; in __ieee754_sinh() local
50 ix = jx&0x7fffffff; in __ieee754_sinh()
53 if(ix>=0x7ff00000) return x+x; in __ieee754_sinh()
58 if (ix < 0x40360000) { /* |x|<22 */ in __ieee754_sinh()
59 if (ix<0x3e300000) /* |x|<2**-28 */ in __ieee754_sinh()
62 if(ix<0x3ff00000) return h*(2.0*t-t*t/(t+one)); in __ieee754_sinh()
67 if (ix < 0x40862E42) return h*__ieee754_exp(fabs(x)); in __ieee754_sinh()
70 if (ix<=0x408633CE) in __ieee754_sinh()
Ds_atanf.c52 int32_t ix,hx,id; in atanf() local
55 ix = hx&0x7fffffff; in atanf()
56 if(ix>=0x4c800000) { /* if |x| >= 2**26 */ in atanf()
57 if(ix>0x7f800000) in atanf()
61 } if (ix < 0x3ee00000) { /* |x| < 0.4375 */ in atanf()
62 if (ix < 0x39800000) { /* |x| < 2**-12 */ in atanf()
68 if (ix < 0x3f980000) { /* |x| < 1.1875 */ in atanf()
69 if (ix < 0x3f300000) { /* 7/16 <=|x|<11/16 */ in atanf()
75 if (ix < 0x401c0000) { /* |x| < 2.4375 */ in atanf()
Ds_scalbnf.c31 int32_t k,ix; in scalbnf() local
32 GET_FLOAT_WORD(ix,x); in scalbnf()
33 k = (ix&0x7f800000)>>23; /* extract exponent */ in scalbnf()
35 if ((ix&0x7fffffff)==0) return x; /* +-0 */ in scalbnf()
37 GET_FLOAT_WORD(ix,x); in scalbnf()
38 k = ((ix&0x7f800000)>>23) - 25; in scalbnf()
45 {SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); return x;} in scalbnf()
53 SET_FLOAT_WORD(x,(ix&0x807fffff)|(k<<23)); in scalbnf()
Ds_frexpf.c28 int32_t hx,ix; in frexpf() local
30 ix = 0x7fffffff&hx; in frexpf()
32 if(ix>=0x7f800000||(ix==0)) return x; /* 0,inf,nan */ in frexpf()
33 if (ix<0x00800000) { /* subnormal */ in frexpf()
36 ix = hx&0x7fffffff; in frexpf()
39 *eptr += (ix>>23)-126; in frexpf()
De_powf.c64 int32_t hx,hy,ix,iy,is; in __ieee754_powf() local
68 ix = hx&0x7fffffff; iy = hy&0x7fffffff; in __ieee754_powf()
77 if(ix > 0x7f800000 || in __ieee754_powf()
98 if (ix==0x3f800000) in __ieee754_powf()
100 else if (ix > 0x3f800000)/* (|x|>1)**+-inf = inf,0 */ in __ieee754_powf()
116 if(ix==0x7f800000||ix==0||ix==0x3f800000){ in __ieee754_powf()
120 if(((ix-0x3f800000)|yisint)==0) { in __ieee754_powf()
139 if(ix<0x3f7ffff8) return (hy<0)? sn*huge*huge:sn*tiny*tiny; in __ieee754_powf()
140 if(ix>0x3f800007) return (hy>0)? sn*huge*huge:sn*tiny*tiny; in __ieee754_powf()
155 if(ix<0x00800000) in __ieee754_powf()
[all …]
Ds_frexp.c37 int32_t hx, ix, lx; in frexp() local
39 ix = 0x7fffffff&hx; in frexp()
41 if(ix>=0x7ff00000||((ix|lx)==0)) return x; /* 0,inf,nan */ in frexp()
42 if (ix<0x00100000) { /* subnormal */ in frexp()
45 ix = hx&0x7fffffff; in frexp()
48 *eptr += (ix>>20)-1022; in frexp()

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