BlackMATov/vmath.hpp
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rename reciprocal to rcp

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BlackMATov
2020-12-07 17:32:00 +07:00
parent ae3ad234a7
commit 975015bcab
7 changed files with 28 additions and 28 deletions
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4
README.md
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@@ -1010,7 +1010,7 @@ template < arithmetic T >
constexpr T sign(T x) noexcept;
template < floating_point T >
constexpr T reciprocal(T x) noexcept;
constexpr T rcp(T x) noexcept;
template < floating_point T >
T floor(T x) noexcept;
@@ -1089,7 +1089,7 @@ template < typename T, size_t Size >
constexpr vec<T, Size> sign(const vec<T, Size>& xs);
template < typename T, size_t Size >
constexpr vec<T, Size> reciprocal(const vec<T, Size>& xs);
constexpr vec<T, Size> rcp(const vec<T, Size>& xs);
template < typename T, size_t Size >
vec<T, Size> floor(const vec<T, Size>& xs);

32
headers/vmath.hpp/vmath_ext.hpp
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@@ -483,9 +483,9 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> orthographic_lh_zo(T left, T right, T bottom, T top, T znear, T zfar) {
const T sx = T(2) * reciprocal(right - left);
const T sy = T(2) * reciprocal(top - bottom);
const T sz = T(1) * reciprocal(zfar - znear);
const T sx = T(2) * rcp(right - left);
const T sy = T(2) * rcp(top - bottom);
const T sz = T(1) * rcp(zfar - znear);
const T tx = - (right + left) / (right - left);
const T ty = - (top + bottom) / (top - bottom);
@@ -500,9 +500,9 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> orthographic_lh_no(T left, T right, T bottom, T top, T znear, T zfar) {
const T sx = T(2) * reciprocal(right - left);
const T sy = T(2) * reciprocal(top - bottom);
const T sz = T(2) * reciprocal(zfar - znear);
const T sx = T(2) * rcp(right - left);
const T sy = T(2) * rcp(top - bottom);
const T sz = T(2) * rcp(zfar - znear);
const T tx = - (right + left) / (right - left);
const T ty = - (top + bottom) / (top - bottom);
@@ -517,9 +517,9 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> orthographic_rh_zo(T left, T right, T bottom, T top, T znear, T zfar) {
const T sx = T(2) * reciprocal(right - left);
const T sy = T(2) * reciprocal(top - bottom);
const T sz = -T(1) * reciprocal(zfar - znear);
const T sx = T(2) * rcp(right - left);
const T sy = T(2) * rcp(top - bottom);
const T sz = -T(1) * rcp(zfar - znear);
const T tx = - (right + left) / (right - left);
const T ty = - (top + bottom) / (top - bottom);
@@ -534,9 +534,9 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> orthographic_rh_no(T left, T right, T bottom, T top, T znear, T zfar) {
const T sx = T(2) * reciprocal(right - left);
const T sy = T(2) * reciprocal(top - bottom);
const T sz = -T(2) * reciprocal(zfar - znear);
const T sx = T(2) * rcp(right - left);
const T sy = T(2) * rcp(top - bottom);
const T sz = -T(2) * rcp(zfar - znear);
const T tx = - (right + left) / (right - left);
const T ty = - (top + bottom) / (top - bottom);
@@ -553,7 +553,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> perspective_lh_zo(T fov, T aspect, T znear, T zfar) {
const T sy = reciprocal(tan(fov * T(0.5)));
const T sy = rcp(tan(fov * T(0.5)));
const T sx = sy / aspect;
const T sz = zfar / (zfar - znear);
const T tz = (znear * zfar) / (znear - zfar);
@@ -566,7 +566,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> perspective_lh_no(T fov, T aspect, T znear, T zfar) {
const T sy = reciprocal(tan(fov * T(0.5)));
const T sy = rcp(tan(fov * T(0.5)));
const T sx = sy / aspect;
const T sz = (zfar + znear) / (zfar - znear);
const T tz = (T(2) * znear * zfar) / (znear - zfar);
@@ -579,7 +579,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> perspective_rh_zo(T fov, T aspect, T znear, T zfar) {
const T sy = reciprocal(tan(fov * T(0.5)));
const T sy = rcp(tan(fov * T(0.5)));
const T sx = sy / aspect;
const T sz = zfar / (znear - zfar);
const T tz = (znear * zfar) / (znear - zfar);
@@ -592,7 +592,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] mat<T, 4> perspective_rh_no(T fov, T aspect, T znear, T zfar) {
const T sy = reciprocal(tan(fov * T(0.5)));
const T sy = rcp(tan(fov * T(0.5)));
const T sx = sy / aspect;
const T sz = (zfar + znear) / (znear - zfar);
const T tz = (T(2) * znear * zfar) / (znear - zfar);

4
headers/vmath.hpp/vmath_fun.hpp
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@@ -34,7 +34,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] std::enable_if_t<std::is_floating_point_v<T>, T>
constexpr reciprocal(T x) noexcept {
constexpr rcp(T x) noexcept {
return T(1) / x;
}
@@ -331,7 +331,7 @@ namespace vmath_hpp
template < typename T >
[[nodiscard]] std::enable_if_t<std::is_floating_point_v<T>, T>
rsqrt(T x) noexcept {
return reciprocal(sqrt(x));
return rcp(sqrt(x));
}
}

6
headers/vmath.hpp/vmath_mat_fun.hpp
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@@ -738,7 +738,7 @@ namespace vmath_hpp
T a, T b,
T c, T d)
{
const T inv_det = reciprocal(determinant_2x2_impl(
const T inv_det = rcp(determinant_2x2_impl(
a, b,
c, d));
@@ -756,7 +756,7 @@ namespace vmath_hpp
T d, T e, T f,
T g, T h, T i)
{
const T inv_det = reciprocal(determinant_3x3_impl(
const T inv_det = rcp(determinant_3x3_impl(
a, b, c,
d, e, f,
g, h, i));
@@ -783,7 +783,7 @@ namespace vmath_hpp
T i, T j, T k, T l,
T m, T n, T o, T p)
{
const T inv_det = reciprocal(determinant_4x4_impl(
const T inv_det = rcp(determinant_4x4_impl(
a, b, c, d,
e, f, g, h,
i, j, k, l,

4
headers/vmath.hpp/vmath_vec_fun.hpp
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@@ -660,8 +660,8 @@ namespace vmath_hpp
}
template < typename T, std::size_t Size >
[[nodiscard]] constexpr vec<T, Size> reciprocal(const vec<T, Size>& xs) {
return map_join([](T x) { return reciprocal(x); }, xs);
[[nodiscard]] constexpr vec<T, Size> rcp(const vec<T, Size>& xs) {
return map_join([](T x) { return rcp(x); }, xs);
}
template < typename T, std::size_t Size >

4
untests/vmath_fun_tests.cpp
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@@ -66,8 +66,8 @@ TEST_CASE("vmath/fun") {
STATIC_REQUIRE(sign(-2.f) == uapprox(-1.f));
STATIC_REQUIRE(sign(0.f) == uapprox(0.f));
STATIC_REQUIRE(reciprocal(2.f) == uapprox(0.5f));
STATIC_REQUIRE(reciprocal(4.f) == uapprox(0.25f));
STATIC_REQUIRE(rcp(2.f) == uapprox(0.5f));
STATIC_REQUIRE(rcp(4.f) == uapprox(0.25f));
REQUIRE(floor(1.7f) == uapprox(1.f));
REQUIRE(trunc(1.7f) == uapprox(1.f));

2
untests/vmath_vec_fun_tests.cpp
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@@ -189,7 +189,7 @@ TEST_CASE("vmath/vec_fun") {
SUBCASE("Common Functions") {
STATIC_REQUIRE(abs(float2(1.f, -1.f)) == uapprox2(1.f,1.f));
STATIC_REQUIRE(sign(float3(1.f, -1.f, 0.f)) == uapprox3(1.f,-1.f,0.f));
STATIC_REQUIRE(reciprocal(float2(2.f, 4.f)) == uapprox2(0.5f,0.25f));
STATIC_REQUIRE(rcp(float2(2.f, 4.f)) == uapprox2(0.5f,0.25f));
(void)floor(float2(1.f, -1.f));
(void)trunc(float2(1.f, -1.f));