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GNU Scientific Library Reference Manual - Third Edition (v1.12)
by M. Galassi, J. Davies, J. Theiler, B. Gough, G. Jungman, P. Alken, M. Booth, F. Rossi
Paperback (6"x9"), 592 pages, 60 figures
ISBN 0954612078
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21.15 Copying 2D Histograms

Function: int gsl_histogram2d_memcpy (gsl_histogram2d * dest, const gsl_histogram2d * src)
This function copies the histogram src into the pre-existing histogram dest, making dest into an exact copy of src. The two histograms must be of the same size.
Function: gsl_histogram2d * gsl_histogram2d_clone (const gsl_histogram2d * src)
This function returns a pointer to a newly created histogram which is an exact copy of the histogram src.
ISBN 0954612078GNU Scientific Library Reference Manual - Third Edition (v1.12)See the print edition