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hyperpoint:: added dot_d function

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Zeno Rogue
2021-05-17 14:22:19 +02:00
parent 3a9f81a248
commit eed8ba49ab
1 changed files with 7 additions and 3 deletions
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10
hyperpoint.cpp
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@@ -96,12 +96,16 @@ struct hyperpoint : array<ld, MAXMDIM> {
); );
} }
// inner product friend ld dot_d(int c, hyperpoint h1, hyperpoint h2) {
inline friend ld operator | (hyperpoint h1, hyperpoint h2) {
ld sum = 0; ld sum = 0;
for(int i=0; i<MXDIM; i++) sum += h1[i] * h2[i]; for(int i=0; i<c; i++) sum += h1[i] * h2[i];
return sum; return sum;
} }
// Euclidean inner product
inline friend ld operator | (hyperpoint h1, hyperpoint h2) {
return dot_d(MXDIM, h1, h2);
}
}; };
/** \brief A matrix acting on hr::hyperpoint /** \brief A matrix acting on hr::hyperpoint