Small Fixes / enhancement to project_tool

This commit is contained in:
Guilhem Lavaux 2014-06-13 18:28:05 +02:00
parent 7a61ad7519
commit 34eac2721a

View File

@ -5,14 +5,14 @@ template<typename T, typename ProdType>
static T project_tool(T *vertex_value, T *u, T *u0) static T project_tool(T *vertex_value, T *u, T *u0)
{ {
T ret0 = 0; T ret0 = 0;
for (int i = 0; i < 8; i++) for (unsigned int i = 0; i < 8; i++)
{ {
int c[3] = { i & 1, (i>>1)&1, (i>>2)&1 }; unsigned int c[3] = { i & 1, (i>>1)&1, (i>>2)&1 };
int epsilon[3]; int epsilon[3];
T ret = 0; T ret = 0;
for (int q = 0; q < 3; q++) for (int q = 0; q < 3; q++)
epsilon[q] = (2*c[q]-1); epsilon[q] = 2*c[q]-1;
for (int q = 0; q < ProdType::numProducts; q++) for (int q = 0; q < ProdType::numProducts; q++)
ret += ProdType::product(u, u0, epsilon, q); ret += ProdType::product(u, u0, epsilon, q);
@ -27,7 +27,8 @@ static T project_tool(T *vertex_value, T *u, T *u0)
template<typename T> template<typename T>
static inline T get_u0(const T& u0, int epsilon) static inline T get_u0(const T& u0, int epsilon)
{ {
return (epsilon > 0) ? u0 : (1-u0); return (1-epsilon)/2 + epsilon*u0;
// return (epsilon > 0) ? u0 : (1-u0);
} }
template<typename T> template<typename T>
@ -39,7 +40,7 @@ struct ProductTerm0
{ {
T a = 1; T a = 1;
for (int r = 0; r < 3; r++) for (unsigned int r = 0; r < 3; r++)
a *= get_u0(u0[r], epsilon[r]); a *= get_u0(u0[r], epsilon[r]);
return a; return a;
} }
@ -54,14 +55,14 @@ struct ProductTerm1
static T product(T *u, T *u0, int *epsilon, int q) static T product(T *u, T *u0, int *epsilon, int q)
{ {
T a = 1; T a = 1;
double G[3]; T G[3];
for (int r = 0; r < 3; r++) for (unsigned int r = 0; r < 3; r++)
{ {
G[r] = get_u0(u0[r], epsilon[r]); G[r] = get_u0(u0[r], epsilon[r]);
} }
double F[3] = { G[1]*G[2], G[0]*G[2], G[0]*G[1] }; T F[3] = { G[1]*G[2], G[0]*G[2], G[0]*G[1] };
return F[q] * u[q] * epsilon[q]; return F[q] * u[q] * epsilon[q];
} }
@ -75,14 +76,14 @@ struct ProductTerm2
static inline T product(T *u, T *u0, int *epsilon, int q) static inline T product(T *u, T *u0, int *epsilon, int q)
{ {
T a = 1; T a = 1;
double G[3]; T G[3];
for (int r = 0; r < 3; r++) for (unsigned int r = 0; r < 3; r++)
{ {
G[r] = get_u0(u0[r], epsilon[r]); G[r] = get_u0(u0[r], epsilon[r]);
} }
double F[3] = { epsilon[1]*epsilon[2]*u[1]*u[2], epsilon[0]*epsilon[2]*u[0]*u[2], epsilon[0]*epsilon[1]*u[0]*u[1] }; T F[3] = { epsilon[1]*epsilon[2]*u[1]*u[2], epsilon[0]*epsilon[2]*u[0]*u[2], epsilon[0]*epsilon[1]*u[0]*u[1] };
return F[q] * G[q]; return F[q] * G[q];
} }