repl.txt (1678B)
1 2 {{alias}}( bstr ) 3 Creates a double-precision floating-point number from a literal bit 4 representation. 5 6 Parameters 7 ---------- 8 bstr: string 9 Literal bit representation. 10 11 Returns 12 ------- 13 out: number 14 Double-precision floating-point number. 15 16 Examples 17 -------- 18 > var bstr; 19 > bstr = '0100000000010000000000000000000000000000000000000000000000000000'; 20 > var val = {{alias}}( bstr ) 21 4.0 22 > bstr = '0100000000001001001000011111101101010100010001000010110100011000'; 23 > val = {{alias}}( bstr ) 24 3.141592653589793 25 > bstr = '1111111111100001110011001111001110000101111010111100100010100000'; 26 > val = {{alias}}( bstr ) 27 -1.0e308 28 29 // The function handles subnormals: 30 > bstr = '1000000000000000000000000000000000000000000000000001100011010011'; 31 > val = {{alias}}( bstr ) 32 -3.14e-320 33 > bstr = '0000000000000000000000000000000000000000000000000000000000000001'; 34 > val = {{alias}}( bstr ) 35 5.0e-324 36 37 // The function handles special values: 38 > bstr = '0000000000000000000000000000000000000000000000000000000000000000'; 39 > val = {{alias}}( bstr ) 40 0.0 41 > bstr = '1000000000000000000000000000000000000000000000000000000000000000'; 42 > val = {{alias}}( bstr ) 43 -0.0 44 > bstr = '0111111111111000000000000000000000000000000000000000000000000000'; 45 > val = {{alias}}( bstr ) 46 NaN 47 > bstr = '0111111111110000000000000000000000000000000000000000000000000000'; 48 > val = {{alias}}( bstr ) 49 Infinity 50 > bstr = '1111111111110000000000000000000000000000000000000000000000000000'; 51 > val = {{alias}}( bstr ) 52 -Infinity 53 54 See Also 55 -------- 56