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| author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2013-06-27 18:33:15 +0000 |
|---|---|---|
| committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2013-06-27 18:33:15 +0000 |
| commit | 5714a63997a2a34bda5d2b6f682cdcc63fbcfc9f (patch) | |
| tree | f11d76c7176d0ef0e5c07a3af6f895538fc6317c /generator | |
| parent | 77fb425477358f9af21e38d2f5e55d9de1375a75 (diff) | |
| download | netpbm-mirror-5714a63997a2a34bda5d2b6f682cdcc63fbcfc9f.tar.gz netpbm-mirror-5714a63997a2a34bda5d2b6f682cdcc63fbcfc9f.tar.xz netpbm-mirror-5714a63997a2a34bda5d2b6f682cdcc63fbcfc9f.zip | |
Release 10.47.45
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@1960 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'generator')
| -rw-r--r-- | generator/ppmforge.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/generator/ppmforge.c b/generator/ppmforge.c index 80e35822..c77076e3 100644 --- a/generator/ppmforge.c +++ b/generator/ppmforge.c @@ -491,7 +491,7 @@ createPlanetStuff(float * const a, double const bx = (n - 1) * uprj(j, cols); bxf[j] = floor(bx); - bxc[j] = bxf[j] + 1; + bxc[j] = MIN(bxf[j] + 1, n - 1); u[j] = bx - bxf[j]; u1[j] = 1 - u[j]; } @@ -1051,6 +1051,9 @@ main(int argc, char ** argv) { if ((i == argc) || (sscanf(argv[i], "%d", &meshsize) != 1)) pm_usage(usage); + if (meshsize < 2) + pm_error("mesh must be at least 2"); + /* Force FFT mesh to the next larger power of 2. */ for (j = meshsize; (j & 1) == 0; j >>= 1) ; |