[pstricks] pst-math

Herbert Voss Herbert.Voss at FU-Berlin.DE
Thu Aug 27 10:56:48 CEST 2009

Patrice Mégret schrieb:

> In the package pst-math, the SINC function is defined as:
> /SINC {dup SIN exch Div} with the Div operator from pstricks.pro. In that way, no division by 0 takes place at x=0, but  SINC(0) = 0 instead of 1.
> I propose to replace the SINC definition by:
> /SINC { dup 0 eq { pop 1 } { dup SIN exch div } ifelse } bind def, which makes the same but gives SINC(0)=1.

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