/deps/glm-0.9.4.0/test/gtc/gtc_half_float.cpp
C++ | 554 lines | 406 code | 114 blank | 34 comment | 65 complexity | 9adf73779721c62eaf2ac42a79f11a54 MD5 | raw file
- ///////////////////////////////////////////////////////////////////////////////////
- /// OpenGL Mathematics (glm.g-truc.net)
- ///
- /// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
- /// Permission is hereby granted, free of charge, to any person obtaining a copy
- /// of this software and associated documentation files (the "Software"), to deal
- /// in the Software without restriction, including without limitation the rights
- /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- /// copies of the Software, and to permit persons to whom the Software is
- /// furnished to do so, subject to the following conditions:
- ///
- /// The above copyright notice and this permission notice shall be included in
- /// all copies or substantial portions of the Software.
- ///
- /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- /// THE SOFTWARE.
- ///
- /// @ref test
- /// @file test/gtc/half_float.cpp
- /// @date 2011-05-32 / 2012-04-07
- /// @author Christophe Riccio
- ///////////////////////////////////////////////////////////////////////////////////
-
-
- #include <glm/glm.hpp>
- #include <glm/gtc/half_float.hpp>
-
- int test_half_precision_scalar()
- {
- int Error = 0;
-
- Error += sizeof(glm::half) == 2 ? 0 : 1;
-
- return Error;
- }
-
- int test_half_precision_vec()
- {
- int Error = 0;
-
- Error += sizeof(glm::hvec2) == 4 ? 0 : 1;
- Error += sizeof(glm::hvec3) == 6 ? 0 : 1;
- Error += sizeof(glm::hvec4) == 8 ? 0 : 1;
-
- return Error;
- }
-
- int test_half_precision_mat()
- {
- int Error = 0;
-
- Error += sizeof(glm::hmat2) == 8 ? 0 : 1;
- Error += sizeof(glm::hmat3) == 18 ? 0 : 1;
- Error += sizeof(glm::hmat4) == 32 ? 0 : 1;
-
- Error += sizeof(glm::hmat2x2) == 8 ? 0 : 1;
- Error += sizeof(glm::hmat2x3) == 12 ? 0 : 1;
- Error += sizeof(glm::hmat2x4) == 16 ? 0 : 1;
- Error += sizeof(glm::hmat3x2) == 12 ? 0 : 1;
- Error += sizeof(glm::hmat3x3) == 18 ? 0 : 1;
- Error += sizeof(glm::hmat3x4) == 24 ? 0 : 1;
- Error += sizeof(glm::hmat4x2) == 16 ? 0 : 1;
- Error += sizeof(glm::hmat4x3) == 24 ? 0 : 1;
- Error += sizeof(glm::hmat4x4) == 32 ? 0 : 1;
-
- return Error;
- }
-
- int test_half_ctor_mat2x2()
- {
- int Error = 0;
-
- {
- glm::hvec2 A(1, 2);
- glm::hvec2 B(3, 4);
- glm::hmat2 C(A, B);//, 2.0f, 3.0f, 4.0f);
- glm::hmat2 D(1, 2, 3, 4);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hvec2 A(1, 2.0);
- glm::hvec2 B(3, 4.0);
- glm::hmat2 C(A, B);//, 2.0f, 3.0f, 4.0f);
- glm::hmat2 D(1, 2.0, 3u, 4.0f);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hmat2 A(1);
- glm::mat2 B(1);
- glm::hmat2 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat2x3()
- {
- int Error = 0;
-
- {
- glm::hvec3 A(1, 2, 3);
- glm::hvec3 B(4, 5, 6);
- glm::hmat2x3 C(A, B);
- glm::hmat2x3 D(1, 2, 3, 4, 5, 6);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hvec3 A(1.0, 2.0f, 3u);
- glm::hvec3 B(4, 5u, 6u);
- glm::hmat2x3 C(A, B);
- glm::hmat2x3 D(1, 2.0, 3u, 4.0f, 5.0, 6);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hmat2x3 A(1);
- glm::mat2x3 B(1);
- glm::hmat2x3 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat2x4()
- {
- int Error = 0;
-
- {
- glm::hvec4 A(1, 2, 3, 4);
- glm::hvec4 B(5, 6, 7, 8);
- glm::hmat2x4 C(A, B);
- glm::hmat2x4 D(1, 2, 3, 4, 5, 6, 7, 8);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hvec4 A(1.0, 2.0f, 3u, 4u);
- glm::hvec4 B(5u, 6u, 7.0, 8.0);
- glm::hmat2x4 C(A, B);
- glm::hmat2x4 D(1, 2.0, 3u, 4.0f, 5.0, 6, 7.0f, 8.0f);
-
- Error += C[0] == D[0] ? 0 : 1;
- Error += C[1] == D[1] ? 0 : 1;
- }
-
- {
- glm::hmat2x4 A(1);
- glm::mat2x4 B(1);
- glm::hmat2x4 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat3x2()
- {
- int Error = 0;
-
- {
- glm::hvec2 A(1, 2);
- glm::hvec2 B(3, 4);
- glm::hvec2 C(5, 6);
- glm::hmat3x2 M(A, B, C);
- glm::hmat3x2 N(1, 2, 3, 4, 5, 6);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec2 A(1, 2.0);
- glm::hvec2 B(3, 4.0f);
- glm::hvec2 C(5u, 6.0f);
- glm::hmat3x2 M(A, B, C);
- glm::hmat3x2 N(1, 2.0, 3u, 4.0f, 5, 6);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat3x2 A(1);
- glm::mat3x2 B(1);
- glm::hmat3x2 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat3x3()
- {
- int Error = 0;
-
- {
- glm::hvec3 A(1, 2, 3);
- glm::hvec3 B(4, 5, 6);
- glm::hvec3 C(7, 8, 9);
- glm::hmat3x3 M(A, B, C);
- glm::hmat3x3 N(1, 2, 3, 4, 5, 6, 7, 8, 9);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec3 A(1, 2.0, 3.0f);
- glm::hvec3 B(4, 5.0f, 6.0);
- glm::hvec3 C(7u, 8.0f, 9);
- glm::hmat3x3 M(A, B, C);
- glm::hmat3x3 N(1, 2.0, 3u, 4.0f, 5, 6, 7.0f, 8.0, 9u);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat3x3 A(1);
- glm::mat3x3 B(1);
- glm::hmat3x3 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat3x4()
- {
- int Error = 0;
-
- {
- glm::hvec4 A(1, 2, 3, 4);
- glm::hvec4 B(5, 6, 7, 8);
- glm::hvec4 C(9, 10, 11, 12);
- glm::hmat3x4 M(A, B, C);
- glm::hmat3x4 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec4 A(1, 2.0, 3.0f, 4u);
- glm::hvec4 B(5, 6.0f, 7.0, 8);
- glm::hvec4 C(9u, 10.0f, 11, 12.f);
- glm::hmat3x4 M(A, B, C);
- glm::hmat3x4 N(1, 2.0, 3u, 4.0f, 5, 6, 7.0f, 8.0, 9u, 10, 11.f, 12.0);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat3x4 A(1);
- glm::mat3x4 B(1);
- glm::hmat3x4 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat4x2()
- {
- int Error = 0;
-
- {
- glm::hvec2 A(1, 2);
- glm::hvec2 B(3, 4);
- glm::hvec2 C(5, 6);
- glm::hvec2 D(7, 8);
- glm::hmat4x2 M(A, B, C, D);
- glm::hmat4x2 N(1, 2, 3, 4, 5, 6, 7, 8);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec2 A(1, 2.0);
- glm::hvec2 B(3.0f, 4);
- glm::hvec2 C(5.0, 6u);
- glm::hvec2 D(7, 8u);
- glm::hmat4x2 M(A, B, C, D);
- glm::hmat4x2 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat4x2 A(1);
- glm::mat4x2 B(1);
- glm::hmat4x2 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat4x3()
- {
- int Error = 0;
-
- {
- glm::hvec3 A(1, 2, 3);
- glm::hvec3 B(4, 5, 6);
- glm::hvec3 C(7, 8, 9);
- glm::hvec3 D(10, 11, 12);
- glm::hmat4x3 M(A, B, C, D);
- glm::hmat4x3 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec3 A(1, 2.0, 3u);
- glm::hvec3 B(4.0f, 5, 6u);
- glm::hvec3 C(7.0, 8u, 9.f);
- glm::hvec3 D(10, 11u, 12.0);
- glm::hmat4x3 M(A, B, C, D);
- glm::hmat4x3 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f, 9, 10u, 11.f, 12.0);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat4x3 A(1);
- glm::mat4x3 B(1);
- glm::hmat4x3 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_mat4x4()
- {
- int Error = 0;
-
- {
- glm::hvec4 A(1, 2, 3, 4);
- glm::hvec4 B(5, 6, 7, 8);
- glm::hvec4 C(9, 10, 11, 12);
- glm::hvec4 D(13, 14, 15, 16);
- glm::hmat4x4 M(A, B, C, D);
- glm::hmat4x4 N(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hvec4 A(1, 2.0, 3u, 4);
- glm::hvec4 B(5.0f, 6, 7u, 8.0);
- glm::hvec4 C(9.0, 10u, 11.f, 12);
- glm::hvec4 D(13, 14u, 15.0, 16u);
- glm::hmat4x4 M(A, B, C, D);
- glm::hmat4x4 N(1, 2.0, 3u, 4.0f, 5u, 6.0, 7, 8.0f, 9, 10u, 11.f, 12.0, 13, 14u, 15.0f, 16.0);
-
- Error += M == N ? 0 : 1;
- }
-
- {
- glm::hmat4x4 A(1);
- glm::mat4x4 B(1);
- glm::hmat4x4 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_vec2()
- {
- int Error = 0;
-
- {
- glm::hvec2 A;
- A.x = glm::half(1);
- A.y = glm::half(2);
- //glm::hvec2 A(1, 2);
- glm::hvec2 B(A);
- glm::vec2 C(1, 2);
- glm::hvec2 D(C);
- glm::dvec2 E(1, 2);
- glm::hvec2 F(E);
- glm::hvec2 G(1, 2.0);
- glm::hvec2 H;
- H = A;
-
- Error += A == B ? 0 : 1;
- //Error += C == D ? 0 : 1; //Error
- //Error += E == F ? 0 : 1; //Error
- Error += A == G ? 0 : 1;
- Error += A == H ? 0 : 1;
- }
-
- {
- glm::hvec2 A(1);
- glm::vec2 B(1);
- glm::hvec2 C(A);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_vec3()
- {
- int Error = 0;
-
- {
- glm::hvec3 A(1, 2, 3);
- glm::hvec3 B(A);
- glm::vec3 C(1, 2, 3);
- glm::hvec3 D(C);
- glm::dvec3 E(1, 2, 3);
- glm::hvec3 F(E);
- glm::hvec3 G(1, 2.0, 3);
- glm::hvec3 H;
- H = A;
-
- Error += A == B ? 0 : 1;
- //Error += C == D ? 0 : 1;
- //Error += E == F ? 0 : 1;
- Error += A == G ? 0 : 1;
- Error += A == H ? 0 : 1;
- }
-
- {
- glm::hvec3 A(1);
- glm::vec3 B(1);
- glm::hvec3 C(B);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_half_ctor_vec4()
- {
- int Error = 0;
-
- {
- glm::hvec4 A(1, 2, 3, 4);
- glm::hvec4 B(A);
- glm::vec4 C(1, 2, 3, 4);
- glm::hvec4 D(C);
- glm::dvec4 E(1, 2, 3, 4);
- glm::hvec4 F(E);
- glm::hvec4 G(1, 2.0, 3, 4);
- glm::hvec4 H;
- H = A;
-
- Error += A == B ? 0 : 1;
- //Error += C == D ? 0 : 1;
- //Error += E == F ? 0 : 1;
- Error += A == G ? 0 : 1;
- Error += A == H ? 0 : 1;
- }
-
- {
- glm::hvec4 A(1);
- glm::vec4 B(1);
- glm::hvec4 C(B);
-
- Error += A == C ? 0 : 1;
- }
-
- return Error;
- }
-
- int test_hvec2_size()
- {
- int Error = 0;
-
- Error += sizeof(glm::hvec2) <= sizeof(glm::lowp_vec2) ? 0 : 1;
- Error += 4 == sizeof(glm::hvec2) ? 0 : 1;
- Error += glm::hvec2().length() == 2 ? 0 : 1;
-
- return Error;
- }
-
- int test_hvec3_size()
- {
- int Error = 0;
-
- Error += sizeof(glm::hvec3) <= sizeof(glm::lowp_vec3) ? 0 : 1;
- Error += 6 <= sizeof(glm::hvec3) ? 0 : 1;
- Error += glm::hvec3().length() == 3 ? 0 : 1;
-
- return Error;
- }
-
- int test_hvec4_size()
- {
- int Error = 0;
-
- Error += sizeof(glm::hvec4) <= sizeof(glm::lowp_vec4) ? 0 : 1;
- Error += 8 <= sizeof(glm::hvec4) ? 0 : 1;
- Error += glm::hvec4().length() == 4 ? 0 : 1;
-
- return Error;
- }
-
- int main()
- {
- int Error = 0;
-
- Error += test_hvec2_size();
- Error += test_hvec3_size();
- Error += test_hvec4_size();
- Error += test_half_ctor_vec2();
- Error += test_half_ctor_vec3();
- Error += test_half_ctor_vec4();
- Error += test_half_ctor_mat2x2();
- Error += test_half_ctor_mat2x3();
- Error += test_half_ctor_mat2x4();
- Error += test_half_ctor_mat3x2();
- Error += test_half_ctor_mat3x3();
- Error += test_half_ctor_mat3x4();
- Error += test_half_ctor_mat4x2();
- Error += test_half_ctor_mat4x3();
- Error += test_half_ctor_mat4x4();
- Error += test_half_precision_scalar();
- Error += test_half_precision_vec();
- Error += test_half_precision_mat();
-
- return Error;
- }