sphere_exactness_test, a Fortran90 code which calls sphere_exactness(), which investigates the polynomial exactness of a quadrature rule over the surface of the unit sphere in 3D.
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sphere_exactness, a Fortran90 code which tests the monomial exactness of a quadrature rule over the surface of the unit sphere in 3D.
DESIGN_04 is a spherical design of precision 4. Uniform weights are used.
LEBEDEV_13 is the 74 Lebedev rule of precision 13. Weights are specified, and the data is stored in the "DTPW" format, that is, theta and phi are specified in degrees. are used.