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/device/google/contexthub/firmware/lib/libm/
Def_fmod.c37 __int32_t n,hx,hy,hz,ix,iy,sx,i; local
39 GET_FLOAT_WORD(hx,x);
41 sx = hx&0x80000000; /* sign of x */
42 hx ^=sx; /* |x| */
47 !FLT_UWORD_IS_FINITE(hx)||
50 if(hx<hy) return x; /* |x|<|y| return x */
51 if(hx==hy)
57 if(FLT_UWORD_IS_SUBNORMAL(hx)) { /* subnormal x */
58 for (ix = -126,i=(hx<<8); i>0; i<<=1) ix -=1;
59 } else ix = (hx>>23)-127;
[all …]
Def_exp.c51 __uint32_t hx; local
55 hx = sx & 0x7fffffff; /* high word of |x| */
58 if(FLT_UWORD_IS_NAN(hx))
60 if(FLT_UWORD_IS_INFINITE(hx))
64 if(sx < 0 && hx > FLT_UWORD_LOG_MIN)
68 if(hx > 0x3eb17218) { /* if |x| > 0.5 ln2 */
69 if(hx < 0x3F851592) { /* and |x| < 1.5 ln2 */
79 else if(hx < 0x31800000) { /* when |x|<2**-28 */
Dsf_scalbn.c44 __uint32_t hx; local
47 hx = ix&0x7fffffff;
48 k = hx>>23; /* extract exponent */
49 if (FLT_UWORD_IS_ZERO(hx))
51 if (!FLT_UWORD_IS_FINITE(hx))
53 if (FLT_UWORD_IS_SUBNORMAL(hx)) {
Def_atan2.c39 __int32_t k,m,hx,hy,ix,iy; local
41 GET_FLOAT_WORD(hx,x);
42 ix = hx&0x7fffffff;
48 if(hx==0x3f800000) return atanf(y); /* x=1.0 */
49 m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */
87 else if(hx<0&&k<-60) z=0.0; /* |y|/x < -2**60 */
Def_sqrt.c32 __uint32_t r,hx; local
36 hx = ix&0x7fffffff;
39 if(!FLT_UWORD_IS_FINITE(hx))
43 if(FLT_UWORD_IS_ZERO(hx)) return x;/* sqrt(+-0) = +-0 */
48 if(FLT_UWORD_IS_SUBNORMAL(hx)) { /* subnormal x */
Dsf_atan.c75 __int32_t ix,hx,id; local
77 GET_FLOAT_WORD(hx,x);
78 ix = hx&0x7fffffff;
82 if(hx>0) return atanhi[3]+atanlo[3];
113 return (hx<0)? -z:z;
Def_rem_pio2.c107 __int32_t i,j,n,ix,hx; local
110 GET_FLOAT_WORD(hx,x);
111 ix = hx&0x7fffffff;
115 if(hx>0) {
171 if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
191 if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
/device/linaro/bootloader/edk2/StdLib/LibC/Math/
De_fmod.c37 int32_t n,hx,hy,hz,ix,iy,sx,i; in __ieee754_fmod() local
40 EXTRACT_WORDS(hx,lx,x); in __ieee754_fmod()
42 sx = hx&0x80000000; /* sign of x */ in __ieee754_fmod()
43 hx ^=sx; /* |x| */ in __ieee754_fmod()
47 if((hy|ly)==0||(hx>=0x7ff00000)|| /* y=0,or x not finite */ in __ieee754_fmod()
50 if(hx<=hy) { in __ieee754_fmod()
51 if((hx<hy)||(lx<ly)) return x; /* |x|<|y| return x */ in __ieee754_fmod()
57 if(hx<0x00100000) { /* subnormal x */ in __ieee754_fmod()
58 if(hx==0) { in __ieee754_fmod()
61 for (ix = -1022,i=(hx<<11); i>0; i<<=1) ix -=1; in __ieee754_fmod()
[all …]
De_log10.c82 int32_t i,k,hx; in __ieee754_log10() local
85 EXTRACT_WORDS(hx,lx,x); in __ieee754_log10()
88 if (hx < 0x00100000) { /* x < 2**-1022 */ in __ieee754_log10()
89 if (((hx&0x7fffffff)|lx)==0) in __ieee754_log10()
91 if (hx<0) { in __ieee754_log10()
96 GET_HIGH_WORD(hx,x); in __ieee754_log10()
98 if (hx >= 0x7ff00000) return x+x; in __ieee754_log10()
99 k += (hx>>20)-1023; in __ieee754_log10()
101 hx = (hx&0x000fffff)|((0x3ff-i)<<20); in __ieee754_log10()
103 SET_HIGH_WORD(x,hx); in __ieee754_log10()
De_log2.c44 int32_t k,hx,i,j; in __ieee754_log2() local
47 EXTRACT_WORDS(hx,lx,x); in __ieee754_log2()
50 if (hx < 0x00100000) { /* x < 2**-1022 */ in __ieee754_log2()
51 if (((hx&0x7fffffff)|lx)==0) in __ieee754_log2()
53 if (hx<0) return (x-x)/zero; /* log(-#) = NaN */ in __ieee754_log2()
55 GET_HIGH_WORD(hx,x); in __ieee754_log2()
57 if (hx >= 0x7ff00000) return x+x; in __ieee754_log2()
58 k += (hx>>20)-1023; in __ieee754_log2()
59 hx &= 0x000fffff; in __ieee754_log2()
60 i = (hx+0x95f64)&0x100000; in __ieee754_log2()
[all …]
De_log.c106 int32_t k,hx,i,j; in __ieee754_log() local
109 EXTRACT_WORDS(hx,lx,x); in __ieee754_log()
112 if (hx < 0x00100000) { /* x < 2**-1022 */ in __ieee754_log()
113 if (((hx&0x7fffffff)|lx)==0) in __ieee754_log()
115 if (hx<0) { in __ieee754_log()
120 GET_HIGH_WORD(hx,x); in __ieee754_log()
122 if (hx >= 0x7ff00000) return x+x; in __ieee754_log()
123 k += (hx>>20)-1023; in __ieee754_log()
124 hx &= 0x000fffff; in __ieee754_log()
125 i = (hx+0x95f64)&0x100000; in __ieee754_log()
[all …]
Ds_frexp.c37 int32_t hx, ix, lx; in frexp() local
38 EXTRACT_WORDS(hx,lx,x); in frexp()
39 ix = 0x7fffffff&hx; in frexp()
44 GET_HIGH_WORD(hx,x); in frexp()
45 ix = hx&0x7fffffff; in frexp()
49 hx = (hx&0x800fffff)|0x3fe00000; in frexp()
50 SET_HIGH_WORD(x,hx); in frexp()
Ds_scalbn.c37 int32_t k,hx,lx; in scalbn() local
38 EXTRACT_WORDS(hx,lx,x); in scalbn()
39 k = (hx&0x7ff00000)>>20; /* extract exponent */ in scalbn()
41 if ((lx|(hx&0x7fffffff))==0) return x; /* +-0 */ in scalbn()
43 GET_HIGH_WORD(hx,x); in scalbn()
44 k = ((hx&0x7ff00000)>>20) - 54; in scalbn()
51 {SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20)); return x;} in scalbn()
58 SET_HIGH_WORD(x,(hx&0x800fffff)|(k<<20)); in scalbn()
De_exp.c113 u_int32_t hx; in __ieee754_exp() local
117 GET_HIGH_WORD(hx,x); in __ieee754_exp()
118 xsb = (hx>>31)&1; /* sign bit of x */ in __ieee754_exp()
119 hx &= 0x7fffffff; /* high word of |x| */ in __ieee754_exp()
122 if(hx >= 0x40862E42) { /* if |x|>=709.78... */ in __ieee754_exp()
123 if(hx>=0x7ff00000) { in __ieee754_exp()
126 if(((hx&0xfffff)|lx)!=0) in __ieee754_exp()
135 if(hx > 0x3fd62e42) { /* if |x| > 0.5 ln2 */ in __ieee754_exp()
136 if(hx < 0x3FF0A2B2) { /* and |x| < 1.5 ln2 */ in __ieee754_exp()
146 else if(hx < 0x3e300000) { /* when |x|<2**-28 */ in __ieee754_exp()
Ds_expm1.c141 u_int32_t hx; in expm1() local
144 GET_HIGH_WORD(hx,x); in expm1()
145 xsb = hx&0x80000000; /* sign bit of x */ in expm1()
147 hx &= 0x7fffffff; /* high word of |x| */ in expm1()
150 if(hx >= 0x4043687A) { /* if |x|>=56*ln2 */ in expm1()
151 if(hx >= 0x40862E42) { /* if |x|>=709.78... */ in expm1()
152 if(hx>=0x7ff00000) { in expm1()
155 if(((hx&0xfffff)|low)!=0) in expm1()
168 if(hx > 0x3fd62e42) { /* if |x| > 0.5 ln2 */ in expm1()
169 if(hx < 0x3FF0A2B2) { /* and |x| < 1.5 ln2 */ in expm1()
[all …]
De_atan2.c65 int32_t k,m,hx,hy,ix,iy; in __ieee754_atan2() local
68 EXTRACT_WORDS(hx,lx,x); in __ieee754_atan2()
69 ix = hx&0x7fffffff; in __ieee754_atan2()
75 if(((hx-0x3ff00000)|lx)==0) return atan(y); /* x=1.0 */ in __ieee754_atan2()
76 m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */ in __ieee754_atan2()
114 else if(hx<0&&k<-60) z=0.0; /* |y|/x < -2**60 */ in __ieee754_atan2()
Ds_atan.c77 int32_t ix,hx,id; in atan() local
79 GET_HIGH_WORD(hx,x); in atan()
80 ix = hx&0x7fffffff; in atan()
87 if(hx>0) return atanhi[3]+atanlo[3]; in atan()
118 return (hx<0)? -z:z; in atan()
Ds_finite.c29 int32_t hx; in finite() local
30 GET_HIGH_WORD(hx,x); in finite()
31 return (int)((u_int32_t)((hx&0x7fffffff)-0x7ff00000)>>31); in finite()
Ds_copysign.c30 u_int32_t hx,hy; in copysign() local
31 GET_HIGH_WORD(hx,x); in copysign()
33 SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000)); in copysign()
De_rem_pio2.c80 int32_t e0,i,j,nx,n,ix,hx; in __ieee754_rem_pio2() local
84 GET_HIGH_WORD(hx,x); /* high word of x */ in __ieee754_rem_pio2()
85 ix = hx&0x7fffffff; in __ieee754_rem_pio2()
89 if(hx>0) { in __ieee754_rem_pio2()
145 if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;} in __ieee754_rem_pio2()
167 if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;} in __ieee754_rem_pio2()
Dk_tan.c82 int32_t ix, hx; in __kernel_tan() local
84 GET_HIGH_WORD(hx, x); /* high word of x */ in __kernel_tan()
85 ix = hx & 0x7fffffff; /* high word of |x| */ in __kernel_tan()
110 if (hx < 0) { in __kernel_tan()
136 return (double) (1 - ((hx >> 30) & 2)) * in __kernel_tan()
De_acos.c80 int32_t hx,ix; in __ieee754_acos() local
81 GET_HIGH_WORD(hx,x); in __ieee754_acos()
82 ix = hx&0x7fffffff; in __ieee754_acos()
88 if(hx>0) return 0.0; /* acos(1) = 0 */ in __ieee754_acos()
101 else if (hx<0) { /* x < -0.5 */ in __ieee754_acos()
/device/google/contexthub/firmware/external/freebsd/lib/msun/src/
De_expf.c50 u_int32_t hx; in __ieee754_expf() local
52 GET_FLOAT_WORD(hx,x); in __ieee754_expf()
53 xsb = (hx>>31)&1; /* sign bit of x */ in __ieee754_expf()
54 hx &= 0x7fffffff; /* high word of |x| */ in __ieee754_expf()
57 if(hx >= 0x42b17218) { /* if |x|>=88.721... */ in __ieee754_expf()
58 if(hx>0x7f800000) in __ieee754_expf()
60 if(hx==0x7f800000) in __ieee754_expf()
67 if(hx > 0x3eb17218) { /* if |x| > 0.5 ln2 */ in __ieee754_expf()
68 if(hx < 0x3F851592) { /* and |x| < 1.5 ln2 */ in __ieee754_expf()
78 else if(hx < 0x39000000) { /* when |x|<2**-14 */ in __ieee754_expf()
De_atan2f.c36 int32_t k,m,hx,hy,ix,iy; in __ieee754_atan2f() local
38 GET_FLOAT_WORD(hx,x); in __ieee754_atan2f()
39 ix = hx&0x7fffffff; in __ieee754_atan2f()
45 if(hx==0x3f800000) return atanf(y); /* x=1.0 */ in __ieee754_atan2f()
46 m = ((hy>>31)&1)|((hx>>30)&2); /* 2*sign(x)+sign(y) */ in __ieee754_atan2f()
87 else if(k<-26&&hx<0) z=0.0; /* 0 > |y|/x > -2**-26 */ in __ieee754_atan2f()
Ds_atanf.c52 int32_t ix,hx,id; in atanf() local
54 GET_FLOAT_WORD(hx,x); in atanf()
55 ix = hx&0x7fffffff; in atanf()
59 if(hx>0) return atanhi[3]+*(volatile float *)&atanlo[3]; in atanf()
90 return (hx<0)? -z:z; in atanf()

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