This function take a string representing a coordinate in a Bertini solutions file or parameter file and makes a number in CC. We can adjust the precision using the M2Precision option. Fractions should not be in the string s.
i1 : valueBM2("1.22e-2 4e-5")
o1 = .0122+.00004*ii
o1 : CC (of precision 53)
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i2 : valueBM2("1.22 4e-5")
o2 = 1.22+.00004*ii
o2 : CC (of precision 53)
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i3 : valueBM2("1.22 4")
o3 = 1.22+4*ii
o3 : CC (of precision 53)
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i4 : valueBM2("1.22e+2 4 ")
o4 = 122+4*ii
o4 : CC (of precision 53)
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i5 : n1=valueBM2("1.11",M2Precision=>52)
o5 = 1.11
o5 : RR (of precision 52)
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i6 : n2=valueBM2("1.11",M2Precision=>300)
o6 = 1.11
o6 : RR (of precision 300)
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i7 : toExternalString n1 o7 = .11099999999999999p52e1 |
i8 : toExternalString n2
o8 = .11100000000000000000000000000000000000000000000000000000000000000000000
000000000000000000003p300e1
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The object valueBM2 is a method function with options.