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# valueBM2 -- This function makes a number in CC from a string.

## Synopsis

• Usage:
valueBM2(s)
• Inputs:
• s, , A string that gives a coordinate.
• Optional inputs:
• M2Precision (missing documentation) => ..., default value 53,

## Description

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) i2 : valueBM2("1.22 4e-5") o2 = 1.22+.00004*ii o2 : CC (of precision 53) i3 : valueBM2("1.22 4") o3 = 1.22+4*ii o3 : CC (of precision 53) i4 : valueBM2("1.22e+2 4 ") o4 = 122+4*ii o4 : CC (of precision 53) i5 : n1=valueBM2("1.11",M2Precision=>52) o5 = 1.11 o5 : RR (of precision 52) i6 : n2=valueBM2("1.11",M2Precision=>300) o6 = 1.11 o6 : RR (of precision 300) i7 : toExternalString n1 o7 = .11099999999999999p52e1 i8 : toExternalString n2 o8 = .11100000000000000000000000000000000000000000000000000000000000000000000 000000000000000000003p300e1

## Ways to use valueBM2 :

• "valueBM2(String)"

## For the programmer

The object valueBM2 is .