ForeignRealType Number -- cast a Macaulay2 number to a foreign real object

Description

To cast a Macaulay2 number to a foreign object with a real type, give the type followed by the number.

i1 : float 3

o1 = 3

o1 : ForeignObject of type float

i2 : double pi

o2 = 3.141592653589793

o2 : ForeignObject of type double

The imaginary parts of complex numbers are discarded.

i3 : double(2 + 3*ii)

o3 = 2

o3 : ForeignObject of type double

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/ForeignFunctions.m2:1089:0.