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--- lib/src/isosurface-extraction/grid.cpp.orig 2020-10-19 21:28:22 UTC
+++ lib/src/isosurface-extraction/grid.cpp
@@ -50,7 +50,7 @@ namespace
false, true, false, true, false, false, false, false, false, false, false, false, true,
false, false, true, false, false, false, false, false, false};
- static char vertexIndicesByConfiguration[256][12] = {
+ static signed char vertexIndicesByConfiguration[256][12] = {
{-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1},
{0, 0, 0, -1, -1, -1, -1, -1, -1, -1, -1, -1},
{0, -1, -1, -1, 0, 0, -1, -1, -1, -1, -1, -1},
@@ -313,7 +313,7 @@ namespace
unsigned char numVertices (unsigned char configuration)
{
- char n = -1;
+ signed char n = -1;
for (unsigned char i = 0; i < 12; i++)
{
n = std::max (n, vertexIndicesByConfiguration[configuration][i]);
@@ -375,10 +375,10 @@ namespace
const unsigned char edge3 = edgeIndicesByFace[i][2];
const unsigned char edge4 = edgeIndicesByFace[i][3];
- const char vertex1 = vertexIndicesByConfiguration[this->configuration][edge1];
- const char vertex2 = vertexIndicesByConfiguration[this->configuration][edge2];
- const char vertex3 = vertexIndicesByConfiguration[this->configuration][edge3];
- const char vertex4 = vertexIndicesByConfiguration[this->configuration][edge4];
+ const signed char vertex1 = vertexIndicesByConfiguration[this->configuration][edge1];
+ const signed char vertex2 = vertexIndicesByConfiguration[this->configuration][edge2];
+ const signed char vertex3 = vertexIndicesByConfiguration[this->configuration][edge3];
+ const signed char vertex4 = vertexIndicesByConfiguration[this->configuration][edge4];
if (vertex1 != -1 && vertex2 != -1 && vertex3 != -1 && vertex4 != -1)
{
@@ -633,7 +633,7 @@ struct IsosurfaceExtractionGrid::Impl
}
bool hasAmbiguousNeighbor (const Cube& cube, unsigned int x, unsigned int y, unsigned int z,
- unsigned char ambiguousFace, char dim)
+ unsigned char ambiguousFace, signed char dim)
{
assert (cube.nonManifoldConfig ());
assert (dim == -3 || dim == -2 || dim == -1 || dim == 1 || dim == 2 || dim == 3);