Epsilon : 3e-13
Interpolation of array : Array<double> [
 + id             : const_val
 + size           : 21
 + nb_component   : 2
 + allocated size : 21
 + memory size    : 336.00Byte
 + values         : {{1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}}
]

Gives on quads : Array<double> [
 + id             : val_on_quad
 + size           : 36
 + nb_component   : 2
 + allocated size : 36
 + memory size    : 576.00Byte
 + values         : {{1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}}
]

Interpolations of node coordinates : Array<double> [
 + id             : mesh:coordinates
 + size           : 21
 + nb_component   : 2
 + allocated size : 2000
 + memory size    : 31.25KiByte
 + values         : {{0, 0}, {1, 0}, {1, 1}, {0, 1}, {0.5, 0}, {0.25, 0}, {0.75, 0}, {1, 0.5}, {1, 0.25}, {1, 0.75}, {0.5, 1}, {0.75, 1}, {0.25, 1}, {0, 0.5}, {0, 0.75}, {0, 0.25}, {0.5, 0.5}, {0.5, 0.75}, {0.75, 0.5}, {0.5, 0.25}, {0.25, 0.5}}
]

Gives : Array<double> [
 + id             : coord_on_quad
 + size           : 36
 + nb_component   : 2
 + allocated size : 36
 + memory size    : 576.00Byte
 + values         : {{0.943649, 0.943649}, {0.75, 0.943649}, {0.556351, 0.943649}, {0.943649, 0.75}, {0.75, 0.75}, {0.556351, 0.75}, {0.943649, 0.556351}, {0.75, 0.556351}, {0.556351, 0.556351}, {0.943649, 0.443649}, {0.75, 0.443649}, {0.556351, 0.443649}, {0.943649, 0.25}, {0.75, 0.25}, {0.556351, 0.25}, {0.943649, 0.0563508}, {0.75, 0.0563508}, {0.556351, 0.0563508}, {0.443649, 0.943649}, {0.25, 0.943649}, {0.0563508, 0.943649}, {0.443649, 0.75}, {0.25, 0.75}, {0.0563508, 0.75}, {0.443649, 0.556351}, {0.25, 0.556351}, {0.0563508, 0.556351}, {0.443649, 0.443649}, {0.25, 0.443649}, {0.0563508, 0.443649}, {0.443649, 0.25}, {0.25, 0.25}, {0.0563508, 0.25}, {0.443649, 0.0563508}, {0.25, 0.0563508}, {0.0563508, 0.0563508}}
]