84 lines
1.6 KiB
C++
84 lines
1.6 KiB
C++
#ifndef LAPACK_CPP_ENUMP_HPP
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#define LAPACK_CPP_ENUMP_HPP
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#include <cassert>
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namespace lapack_cpp {
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enum class Layout : char { RowMajor = 'R', ColMajor = 'C' };
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enum class Op : char { NoTrans = 'N', Trans = 'T', ConjTrans = 'C' };
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inline constexpr Op char2op(char t)
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{
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switch (t) {
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case 'N':
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return Op::NoTrans;
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case 'T':
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return Op::Trans;
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case 'C':
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return Op::ConjTrans;
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default:
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assert(false);
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}
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}
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enum class Side : char { Left = 'L', Right = 'R' };
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inline constexpr Side char2side(char t)
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{
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switch (t) {
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case 'L':
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return Side::Left;
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case 'R':
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return Side::Right;
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default:
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assert(false);
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}
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}
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enum class Uplo : char { Upper = 'U', Lower = 'L' };
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inline constexpr Uplo char2uplo(char t)
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{
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switch (t) {
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case 'U':
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return Uplo::Upper;
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case 'R':
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return Uplo::Lower;
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default:
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assert(false);
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}
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}
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enum class Diag : char { Unit = 'U', NonUnit = 'N' };
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inline constexpr Diag char2diag(char t)
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{
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switch (t) {
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case 'U':
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return Diag::Unit;
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case 'N':
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return Diag::NonUnit;
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default:
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assert(false);
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}
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}
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enum class Direction : char { Forward = 'F', Backward = 'B' };
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inline constexpr Direction char2direct(char t)
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{
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switch (t) {
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case 'F':
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return Direction::Forward;
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case 'N':
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return Direction::Backward;
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default:
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assert(false);
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}
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}
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} // namespace lapack_cpp
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#endif // LAPACK_CPP_ENUMP_HPP
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