Re: [Plplot-devel] Fwd: metafiles

2015-01-11 Thread Phil Rosenberg
Thanks Maurice and Alan This is all really worth thinking about for planning this stuff. I would in general think that a move towards floating point internal representation would be worthwhile. Some comments on your above comments - I am probably "teaching my granny to suck eggs" but thought I woul

Re: [Plplot-devel] Fwd: metafiles

2015-01-11 Thread Jim Dishaw
When the buffer needs to reallocate, it grows by a multiple of a fixed amount (plbuf_buffer_grow). The multiple is computed such that the growth is large enough to meet the demand. plbuf_buffer_grow = 128KB (set in plbuf_bop) growth_multiplier = (top_of_buffer + needed_space - size_of_buffer) /

Re: [Plplot-devel] Fwd: metafiles

2015-01-11 Thread Alan W. Irwin
On 2015-01-11 09:27- Phil Rosenberg wrote: > Regarding the "special values" where small errors in floating points lead > to jumps in integer representation - I think this is probably dealt with > now by anti-aliasing in most modern drivers. No, it is worse than that. Generally, we have PLFLT