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Add arithmetic operators

This commit is contained in:
Behdad Esfahbod 2019-05-15 16:59:36 -07:00
parent f7a458510d
commit e5cfe9d582
1 changed files with 30 additions and 14 deletions
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44
src/hb-algs.hh
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@ -765,14 +765,6 @@ hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *o
} }
struct hb_bitwise_or
{
static constexpr bool passthru_left = true;
static constexpr bool passthru_right = true;
template <typename T>
auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a | b)
}
HB_FUNCOBJ (hb_bitwise_or);
struct hb_bitwise_and struct hb_bitwise_and
{ {
static constexpr bool passthru_left = false; static constexpr bool passthru_left = false;
@ -781,6 +773,14 @@ struct hb_bitwise_and
auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a & b) auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a & b)
} }
HB_FUNCOBJ (hb_bitwise_and); HB_FUNCOBJ (hb_bitwise_and);
struct hb_bitwise_or
{
static constexpr bool passthru_left = true;
static constexpr bool passthru_right = true;
template <typename T>
auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a | b)
}
HB_FUNCOBJ (hb_bitwise_or);
struct hb_bitwise_xor struct hb_bitwise_xor
{ {
static constexpr bool passthru_left = true; static constexpr bool passthru_left = true;
@ -797,12 +797,28 @@ struct hb_bitwise_sub
auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a & ~b) auto operator () (const T &a, const T &b) const HB_AUTO_RETURN (a & ~b)
} }
HB_FUNCOBJ (hb_bitwise_sub); HB_FUNCOBJ (hb_bitwise_sub);
struct hb_bitwise_neg
{ struct
template <typename T> { template <typename T, typename T2> auto operator () (const T &a, const T2 &b) const HB_AUTO_RETURN (a + b) }
auto operator () (const T &a) const HB_AUTO_RETURN (~a) HB_FUNCOBJ (hb_add);
} struct
HB_FUNCOBJ (hb_bitwise_neg); { template <typename T, typename T2> auto operator () (const T &a, const T2 &b) const HB_AUTO_RETURN (a - b) }
HB_FUNCOBJ (hb_sub);
struct
{ template <typename T, typename T2> auto operator () (const T &a, const T2 &b) const HB_AUTO_RETURN (a * b) }
HB_FUNCOBJ (hb_mul);
struct
{ template <typename T, typename T2> auto operator () (const T &a, const T2 &b) const HB_AUTO_RETURN (a / b) }
HB_FUNCOBJ (hb_div);
struct
{ template <typename T, typename T2> auto operator () (const T &a, const T2 &b) const HB_AUTO_RETURN (a % b) }
HB_FUNCOBJ (hb_mod);
struct
{ template <typename T> auto operator () (const T &a) const HB_AUTO_RETURN (+a) }
HB_FUNCOBJ (hb_pos);
struct
{ template <typename T> auto operator () (const T &a) const HB_AUTO_RETURN (-a) }
HB_FUNCOBJ (hb_neg);
/* Compiler-assisted vectorization. */ /* Compiler-assisted vectorization. */