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read through operator

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This commit is contained in:
Irlan 2018-06-29 15:41:32 -03:00
parent b18654c7a5
commit f5e20589eb
1 changed files with 2 additions and 18 deletions
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20
include/bounce/dynamics/cloth/sparse_sym_mat33.h
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@ -129,7 +129,7 @@ inline b3Mat33& b3SparseSymMat33::operator()(u32 i, u32 j)
} }
} }
// Find insert position // Select insert position
u32 row_value_position = 0; u32 row_value_position = 0;
for (u32 row_value = 0; row_value < row_value_count; ++row_value) for (u32 row_value = 0; row_value < row_value_count; ++row_value)
{ {
@ -169,25 +169,9 @@ inline b3Mat33& b3SparseSymMat33::operator()(u32 i, u32 j)
inline void b3SparseSymMat33::Diagonal(b3DiagMat33& out) const inline void b3SparseSymMat33::Diagonal(b3DiagMat33& out) const
{ {
B3_ASSERT(M == out.n); B3_ASSERT(M == out.n);
for (u32 row = 0; row < M; ++row) for (u32 row = 0; row < M; ++row)
{ {
out[row].SetZero(); out[row] = (*this)(row, row);
u32 row_value_begin = row_ptrs[row];
u32 row_value_count = row_ptrs[row + 1] - row_value_begin;
for (u32 row_value = 0; row_value < row_value_count; ++row_value)
{
u32 row_value_index = row_value_begin + row_value;
u32 row_value_column = value_columns[row_value_index];
if (row == row_value_column)
{
out[row] = values[row_value_index];
break;
}
}
} }
} }