Similar to BLAS, the names of Sparse BLAS subprograms have prefixes that determine the data type involved: s and d for single- and double-precision real; c and z for single- and double-precision complex respectively.

If a Sparse BLAS routine is an extension of a "dense" one, the subprogram name is formed by appending the suffix i (standing for indexed) to the name of the corresponding "dense" subprogram. For example, the Sparse BLAS routine saxpyi corresponds to the BLAS routine saxpy, and the Sparse BLAS function cdotci corresponds to the BLAS function cdotc.

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