@stdlib/math-base-special-ldexp
Version:
Multiply a double-precision floating-point number by an integer power of two.
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JavaScript
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var q=require('@stdlib/constants-float64-pinf/dist'),N=require('@stdlib/constants-float64-ninf/dist'),o=require('@stdlib/constants-float64-exponent-bias/dist'),E=require('@stdlib/constants-float64-max-base2-exponent/dist'),A=require('@stdlib/constants-float64-max-base2-exponent-subnormal/dist'),_=require('@stdlib/constants-float64-min-base2-exponent-subnormal/dist'),O=require('@stdlib/math-base-assert-is-nan/dist'),I=require('@stdlib/math-base-assert-is-infinite/dist'),M=require('@stdlib/math-base-special-copysign/dist'),X=require('@stdlib/number-float64-base-normalize/dist').assign,f=require('@stdlib/number-float64-base-exponent/dist'),P=require('@stdlib/number-float64-base-to-words/dist'),R=require('@stdlib/number-float64-base-from-words/dist'),S=2220446049250313e-31,g=2148532223,v=[0,0],a=[0,0];function l(e,r){var i,u;return r===0||e===0||O(e)||I(e)?e:(X(e,v,1,0),e=v[0],r+=v[1],r+=f(e),r<_?M(0,e):r>E?e<0?N:q:(r<=A?(r+=52,u=S):u=1,P.assign(e,a,1,0),i=a[0],i&=g,i|=r+o<<20,u*R(i,a[1])))}n.exports=l
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/** @license Apache-2.0 */
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