| /bionic/libm/upstream-freebsd/lib/msun/src/ |
| e_exp.c | 108 int32_t k=0,xsb; local
112 xsb = (hx>>31)&1; /* sign bit of x */
122 else return (xsb==0)? x:0.0; /* exp(+-inf)={inf,0} */
131 hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb;
133 k = (int)(invln2*x+halF[xsb]);
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| e_expf.c | 49 int32_t k=0,xsb; local
53 xsb = (hx>>31)&1; /* sign bit of x */
61 return (xsb==0)? x:0.0; /* exp(+-inf)={inf,0} */
69 hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb;
71 k = invln2*x+halF[xsb];
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| s_expm1.c | 136 int32_t k,xsb; local
140 xsb = hx&0x80000000; /* sign bit of x */
151 else return (xsb==0)? x:-1.0;/* exp(+-inf)={inf,-1} */
155 if(xsb!=0) { /* x < -56*ln2, return -1.0 with inexact */
164 if(xsb==0)
169 k = invln2*x+((xsb==0)?0.5:-0.5);
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| s_expm1f.c | 45 int32_t k,xsb; local
49 xsb = hx&0x80000000; /* sign bit of x */
58 return (xsb==0)? x:-1.0;/* exp(+-inf)={inf,-1} */
61 if(xsb!=0) { /* x < -27*ln2, return -1.0 with inexact */
70 if(xsb==0)
75 k = invln2*x+((xsb==0)?(float)0.5:(float)-0.5);
|
| /external/fdlibm/ |
| e_exp.c | 109 int k,xsb; local
113 xsb = (hx>>31)&1; /* sign bit of x */
121 else return (xsb==0)? x:0.0; /* ieee_exp(+-inf)={inf,0} */
130 hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb;
132 k = (int)(invln2*x+halF[xsb]);
|
| s_expm1.c | 137 int k,xsb; local
141 xsb = hx&0x80000000; /* sign bit of x */
142 if(xsb==0) y=x; else y= -x; /* y = |x| */
151 else return (xsb==0)? x:-1.0;/* ieee_exp(+-inf)={inf,-1} */
155 if(xsb!=0) { /* x < -56*ln2, return -1.0 with inexact */
164 if(xsb==0)
169 k = invln2*x+((xsb==0)?0.5:-0.5);
|
| /external/chromium_org/v8/third_party/fdlibm/ |
| fdlibm.js | 626 var xsb = hx & 0x80000000; // Sign bit of x variable
627 var y = (xsb === 0) ? x : -x; // y = |x|
639 if (xsb != 0) return -1; // x < -56 * ln2, return -1.
645 if (xsb === 0) {
655 k = (INVLN2 * x + ((xsb === 0) ? 0.5 : -0.5)) | 0;
|
