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-rw-r--r-- | analyzer/pgmtexture.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/analyzer/pgmtexture.c b/analyzer/pgmtexture.c index c69643e7..72f660f1 100644 --- a/analyzer/pgmtexture.c +++ b/analyzer/pgmtexture.c @@ -49,7 +49,16 @@ static bool const sortit = FALSE; static float * vector(unsigned int const nl, unsigned int const nh) { +/*---------------------------------------------------------------------------- + Allocate a float vector with range [nl..nh] + + We do some seedy C here, subtracting an arbitrary integer from a pointer and + calling the result a pointer. It normally works because the only way we'll + use that pointer is by adding that same integer or something greater to it. + The point of this is not to allocate memory for vector elements that will + never be referenced (component < nl). +-----------------------------------------------------------------------------*/ float * v; assert(nh >= nl); |