441 lines
12 KiB
C++
441 lines
12 KiB
C++
/// @ref gtx_io
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/// @author Jan P Springer (regnirpsj@gmail.com)
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#include <iomanip> // std::fixed, std::setfill<>, std::setprecision, std::right, std::setw
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#include <ostream> // std::basic_ostream<>
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#include "../gtc/matrix_access.hpp" // glm::col, glm::row
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#include "../gtx/type_trait.hpp" // glm::type<>
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namespace glm{
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namespace io
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{
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template<typename CTy>
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GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(size_t a)
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: std::locale::facet(a)
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, formatted(true)
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, precision(3)
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, width(1 + 4 + 1 + precision)
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, separator(',')
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, delim_left('[')
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, delim_right(']')
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, space(' ')
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, newline('\n')
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, order(column_major)
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{}
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template<typename CTy>
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GLM_FUNC_QUALIFIER format_punct<CTy>::format_punct(format_punct const& a)
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: std::locale::facet(0)
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, formatted(a.formatted)
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, precision(a.precision)
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, width(a.width)
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, separator(a.separator)
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, delim_left(a.delim_left)
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, delim_right(a.delim_right)
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, space(a.space)
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, newline(a.newline)
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, order(a.order)
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{}
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template<typename CTy> std::locale::id format_punct<CTy>::id;
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::basic_state_saver(std::basic_ios<CTy, CTr>& a)
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: state_(a)
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, flags_(a.flags())
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, precision_(a.precision())
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, width_(a.width())
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, fill_(a.fill())
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, locale_(a.getloc())
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{}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER basic_state_saver<CTy, CTr>::~basic_state_saver()
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{
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state_.imbue(locale_);
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state_.fill(fill_);
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state_.width(width_);
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state_.precision(precision_);
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state_.flags(flags_);
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER basic_format_saver<CTy, CTr>::basic_format_saver(std::basic_ios<CTy, CTr>& a)
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: bss_(a)
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{
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a.imbue(std::locale(a.getloc(), new format_punct<CTy>(get_facet<format_punct<CTy> >(a))));
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER
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basic_format_saver<CTy, CTr>::~basic_format_saver()
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{}
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GLM_FUNC_QUALIFIER precision::precision(unsigned a)
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: value(a)
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{}
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GLM_FUNC_QUALIFIER width::width(unsigned a)
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: value(a)
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{}
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template<typename CTy>
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GLM_FUNC_QUALIFIER delimeter<CTy>::delimeter(CTy a, CTy b, CTy c)
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: value()
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{
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value[0] = a;
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value[1] = b;
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value[2] = c;
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}
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GLM_FUNC_QUALIFIER order::order(order_type a)
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: value(a)
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{}
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template<typename FTy, typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER FTy const& get_facet(std::basic_ios<CTy, CTr>& ios)
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{
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if(!std::has_facet<FTy>(ios.getloc()))
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ios.imbue(std::locale(ios.getloc(), new FTy));
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return std::use_facet<FTy>(ios.getloc());
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& formatted(std::basic_ios<CTy, CTr>& ios)
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{
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const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = true;
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return ios;
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ios<CTy, CTr>& unformatted(std::basic_ios<CTy, CTr>& ios)
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{
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const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(ios)).formatted = false;
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return ios;
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, precision const& a)
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{
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const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).precision = a.value;
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return os;
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, width const& a)
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{
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const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).width = a.value;
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return os;
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, delimeter<CTy> const& a)
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{
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format_punct<CTy> & fmt(const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)));
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fmt.delim_left = a.value[0];
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fmt.delim_right = a.value[1];
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fmt.separator = a.value[2];
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return os;
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}
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template<typename CTy, typename CTr>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(std::basic_ostream<CTy, CTr>& os, order const& a)
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{
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const_cast<format_punct<CTy>&>(get_facet<format_punct<CTy> >(os)).order = a.value;
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return os;
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}
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} // namespace io
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namespace detail
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{
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template<typename CTy, typename CTr, typename V>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>&
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print_vector_on(std::basic_ostream<CTy, CTr>& os, V const& a)
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{
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typename std::basic_ostream<CTy, CTr>::sentry const cerberus(os);
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if(cerberus)
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{
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io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
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length_t const& components(type<V>::components);
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if(fmt.formatted)
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{
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io::basic_state_saver<CTy> const bss(os);
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os << std::fixed << std::right << std::setprecision(fmt.precision) << std::setfill(fmt.space) << fmt.delim_left;
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for(length_t i(0); i < components; ++i)
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{
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os << std::setw(fmt.width) << a[i];
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if(components-1 != i)
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os << fmt.separator;
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}
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os << fmt.delim_right;
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}
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else
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{
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for(length_t i(0); i < components; ++i)
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{
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os << a[i];
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if(components-1 != i)
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os << fmt.space;
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}
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}
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}
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return os;
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}
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}//namespace detail
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, qua<T, Q> const& a)
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{
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return detail::print_vector_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<1, T, Q> const& a)
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{
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return detail::print_vector_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<2, T, Q> const& a)
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{
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return detail::print_vector_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<3, T, Q> const& a)
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{
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return detail::print_vector_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, vec<4, T, Q> const& a)
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{
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return detail::print_vector_on(os, a);
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}
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namespace detail
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{
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template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_on(std::basic_ostream<CTy, CTr>& os, M<C, R, T, Q> const& a)
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{
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typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
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if(cerberus)
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{
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io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
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length_t const& cols(type<M<C, R, T, Q> >::cols);
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length_t const& rows(type<M<C, R, T, Q> >::rows);
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if(fmt.formatted)
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{
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os << fmt.newline << fmt.delim_left;
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switch(fmt.order)
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{
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case io::column_major:
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{
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for(length_t i(0); i < rows; ++i)
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{
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if (0 != i)
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os << fmt.space;
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os << row(a, i);
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if(rows-1 != i)
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os << fmt.newline;
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}
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}
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break;
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case io::row_major:
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{
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for(length_t i(0); i < cols; ++i)
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{
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if(0 != i)
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os << fmt.space;
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os << column(a, i);
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if(cols-1 != i)
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os << fmt.newline;
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}
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}
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break;
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}
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os << fmt.delim_right;
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}
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else
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{
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switch (fmt.order)
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{
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case io::column_major:
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{
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for(length_t i(0); i < cols; ++i)
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{
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os << column(a, i);
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if(cols - 1 != i)
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os << fmt.space;
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}
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}
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break;
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case io::row_major:
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{
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for (length_t i(0); i < rows; ++i)
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{
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os << row(a, i);
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if (rows-1 != i)
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os << fmt.space;
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}
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}
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break;
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}
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}
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}
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return os;
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}
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}//namespace detail
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 2, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 3, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<2, 4, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 2, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr>& operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 3, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<3, 4, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 2, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 3, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy,CTr> & operator<<(std::basic_ostream<CTy,CTr>& os, mat<4, 4, T, Q> const& a)
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{
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return detail::print_matrix_on(os, a);
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}
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namespace detail
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{
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template<typename CTy, typename CTr, template<length_t, length_t, typename, qualifier> class M, length_t C, length_t R, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& print_matrix_pair_on(std::basic_ostream<CTy, CTr>& os, std::pair<M<C, R, T, Q> const, M<C, R, T, Q> const> const& a)
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{
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typename std::basic_ostream<CTy,CTr>::sentry const cerberus(os);
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if(cerberus)
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{
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io::format_punct<CTy> const& fmt(io::get_facet<io::format_punct<CTy> >(os));
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M<C, R, T, Q> const& ml(a.first);
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M<C, R, T, Q> const& mr(a.second);
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length_t const& cols(type<M<C, R, T, Q> >::cols);
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length_t const& rows(type<M<C, R, T, Q> >::rows);
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if(fmt.formatted)
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{
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os << fmt.newline << fmt.delim_left;
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switch(fmt.order)
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{
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case io::column_major:
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{
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for(length_t i(0); i < rows; ++i)
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{
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if(0 != i)
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os << fmt.space;
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os << row(ml, i) << ((rows-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << row(mr, i);
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if(rows-1 != i)
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os << fmt.newline;
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}
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}
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break;
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case io::row_major:
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{
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for(length_t i(0); i < cols; ++i)
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{
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if(0 != i)
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os << fmt.space;
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os << column(ml, i) << ((cols-1 != i) ? fmt.space : fmt.delim_right) << fmt.space << ((0 != i) ? fmt.space : fmt.delim_left) << column(mr, i);
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if(cols-1 != i)
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os << fmt.newline;
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}
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}
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break;
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}
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os << fmt.delim_right;
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}
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else
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{
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os << ml << fmt.space << mr;
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}
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}
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return os;
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}
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}//namespace detail
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template<typename CTy, typename CTr, typename T, qualifier Q>
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GLM_FUNC_QUALIFIER std::basic_ostream<CTy, CTr>& operator<<(
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std::basic_ostream<CTy, CTr> & os,
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std::pair<mat<4, 4, T, Q> const,
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mat<4, 4, T, Q> const> const& a)
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{
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return detail::print_matrix_pair_on(os, a);
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}
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}//namespace glm
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