mirror of
https://github.com/recp/cglm.git
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223 lines
9.4 KiB
C
223 lines
9.4 KiB
C
/*
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* Copyright (c), Recep Aslantas.
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*
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* MIT License (MIT), http://opensource.org/licenses/MIT
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* Full license can be found in the LICENSE file
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*/
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#ifndef cglm_mat_sse_h
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#define cglm_mat_sse_h
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#include "cglm-intrin.h"
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#define CGLM_MAT_MUL_SSE_4x4f(L, R, D) \
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do { \
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__m128 r0; \
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__m128 r1; \
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__m128 r2; \
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__m128 r3; \
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\
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r0 = _mm_load_ps(R); \
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r1 = _mm_load_ps(R + 4); \
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r2 = _mm_load_ps(R + 8); \
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r3 = _mm_load_ps(R + 12); \
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\
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_mm_store_ps(D, _mm_madd4_ps(L, r0, r1, r2, r3)); \
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_mm_store_ps(D + 4, _mm_madd4_ps(L + 4, r0, r1, r2, r3)); \
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_mm_store_ps(D + 8, _mm_madd4_ps(L + 8, r0, r1, r2, r3)); \
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_mm_store_ps(D + 12, _mm_madd4_ps(L + 12, r0, r1, r2, r3)); \
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} while (0)
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#define CGLM_MAT_TRANSP_SSE_4x4f(M, D) \
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do { \
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__m128 r0; \
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__m128 r1; \
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__m128 r2; \
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__m128 r3; \
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\
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r0 = _mm_load_ps(M[0]); \
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r1 = _mm_load_ps(M[1]); \
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r2 = _mm_load_ps(M[2]); \
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r3 = _mm_load_ps(M[3]); \
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\
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_MM_TRANSPOSE4_PS(r0, r1, r2, r3); \
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\
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_mm_store_ps(D[0], r0); \
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_mm_store_ps(D[1], r1); \
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_mm_store_ps(D[2], r2); \
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_mm_store_ps(D[3], r3); \
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} while (0)
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#define CGLM_MAT_SCALE_SSE_4x4f(M, S) \
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do { \
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__m128 xmm0; \
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xmm0 = _mm_set1_ps(S); \
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_mm_store_ps(M[0], _mm_mul_ps(_mm_load_ps(M[0]), xmm0)); \
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_mm_store_ps(M[1], _mm_mul_ps(_mm_load_ps(M[1]), xmm0)); \
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_mm_store_ps(M[2], _mm_mul_ps(_mm_load_ps(M[2]), xmm0)); \
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_mm_store_ps(M[3], _mm_mul_ps(_mm_load_ps(M[3]), xmm0)); \
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} while (0)
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CGLM_INLINE
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float
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glm_mat4_det_sse2(mat4 mat) {
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__m128 v0, dt, t0, t1, t2, t3, t4, r0, r1, r2, r3;
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r0 = _mm_load_ps(mat[0]);
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r1 = _mm_load_ps(mat[1]);
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r2 = _mm_load_ps(mat[2]);
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r3 = _mm_load_ps(mat[3]);
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t3 = _mm_sub_ps(_mm_mul_ps(_mm_shuffle1_ps(r2, 2, 1, 1, 0),
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_mm_shuffle1_ps(r3, 3, 3, 2, 3)),
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_mm_mul_ps(_mm_shuffle1_ps(r3, 2, 1, 1, 0),
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_mm_shuffle1_ps(r2, 3, 3, 2, 3)));
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t4 = _mm_sub_ps(_mm_mul_ps(_mm_shuffle1_ps(r2, 0, 0, 0, 0),
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_mm_shuffle1_ps(r3, 2, 1, 2, 1)),
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_mm_mul_ps(_mm_shuffle1_ps(r3, 0, 0, 0, 0),
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_mm_shuffle1_ps(r2, 2, 1, 2, 1)));
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t0 = _mm_shuffle1_ps(t3, 3, 3, 2, 1);
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t1 = _mm_shuffle2_ps(t3, t4, 1, 1, 2, 0, 1, 0, 0, 3);
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t2 = _mm_shuffle2_ps(t3, t4, 0, 1, 1, 1, 0, 2, 3, 3);
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v0 = _mm_mul_ps(_mm_shuffle1_ps(r1, 1, 0, 0, 0), t0);
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v0 = _mm_sub_ps(v0, _mm_mul_ps(_mm_shuffle1_ps(r1, 2, 2, 1, 1), t1));
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v0 = _mm_add_ps(v0, _mm_mul_ps(_mm_shuffle1_ps(r1, 3, 3, 3, 2), t2));
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v0 = _mm_xor_ps(v0, _mm_set_ps(0.f, -0.f, 0.f, -0.f));
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dt = _mm_mul_ps(_mm_shuffle1_ps(r0, 0, 1, 2, 3), v0);
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dt = _mm_add_ps(dt, _mm_shuffle1_ps(dt, 0, 1, 2, 3));
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dt = _mm_add_ps(dt, _mm_shuffle1_ps(dt, 1, 3, 3, 1));
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return _mm_cvtss_f32(dt);
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}
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CGLM_INLINE
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void
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glm_mat4_inv_see2(mat4 mat, mat4 dest) {
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__m128 r0, r1, r2, r3,
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v0, v1, v2, v3,
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t0, t1, t2, t3, t4, t5,
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x0, x1, x2, x3, x4, x5, x6, x7;
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/* 127 <- 0 */
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r0 = _mm_load_ps(mat[0]); /* d c b a */
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r1 = _mm_load_ps(mat[1]); /* h g f e */
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r2 = _mm_load_ps(mat[2]); /* l k j i */
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r3 = _mm_load_ps(mat[3]); /* p o n m */
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x0 = _mm_shuffle_ps(r2, r3, _MM_SHUFFLE(3, 2, 3, 2)); /* p o l k */
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x1 = _mm_shuffle1_ps(x0, 1, 3, 3, 3); /* l p p p */
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x2 = _mm_shuffle1_ps(x0, 0, 2, 2, 2); /* k o o o */
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x0 = _mm_shuffle_ps(r2, r1, _MM_SHUFFLE(3, 3, 3, 3)); /* h h l l */
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x3 = _mm_shuffle_ps(r2, r1, _MM_SHUFFLE(2, 2, 2, 2)); /* g g k k */
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/* t1[0] = k * p - o * l;
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t1[0] = k * p - o * l;
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t2[0] = g * p - o * h;
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t3[0] = g * l - k * h; */
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t0 = _mm_sub_ps(_mm_mul_ps(x3, x1), _mm_mul_ps(x2, x0));
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x4 = _mm_shuffle_ps(r2, r3, _MM_SHUFFLE(2, 1, 2, 1)); /* o n k j */
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x4 = _mm_shuffle1_ps(x4, 0, 2, 2, 2); /* j n n n */
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x5 = _mm_shuffle_ps(r2, r1, _MM_SHUFFLE(1, 1, 1, 1)); /* f f j j */
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/* t1[1] = j * p - n * l;
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t1[1] = j * p - n * l;
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t2[1] = f * p - n * h;
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t3[1] = f * l - j * h; */
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t1 = _mm_sub_ps(_mm_mul_ps(x5, x1), _mm_mul_ps(x4, x0));
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/* t1[2] = j * o - n * k
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t1[2] = j * o - n * k;
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t2[2] = f * o - n * g;
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t3[2] = f * k - j * g; */
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t2 = _mm_sub_ps(_mm_mul_ps(x5, x2), _mm_mul_ps(x4, x3));
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x6 = _mm_shuffle_ps(r2, r1, _MM_SHUFFLE(0, 0, 0, 0)); /* e e i i */
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x7 = _mm_shuffle2_ps(r3, r2, 0, 0, 0, 0, 2, 0, 0, 0); /* i m m m */
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/* t1[3] = i * p - m * l;
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t1[3] = i * p - m * l;
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t2[3] = e * p - m * h;
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t3[3] = e * l - i * h; */
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t3 = _mm_sub_ps(_mm_mul_ps(x6, x1), _mm_mul_ps(x7, x0));
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/* t1[4] = i * o - m * k;
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t1[4] = i * o - m * k;
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t2[4] = e * o - m * g;
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t3[4] = e * k - i * g; */
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t4 = _mm_sub_ps(_mm_mul_ps(x6, x2), _mm_mul_ps(x7, x3));
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/* t1[5] = i * n - m * j;
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t1[5] = i * n - m * j;
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t2[5] = e * n - m * f;
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t3[5] = e * j - i * f; */
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t5 = _mm_sub_ps(_mm_mul_ps(x6, x4), _mm_mul_ps(x7, x5));
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x0 = _mm_shuffle2_ps(r1, r0, 0, 0, 0, 0, 2, 2, 2, 0); /* a a a e */
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x1 = _mm_shuffle2_ps(r1, r0, 1, 1, 1, 1, 2, 2, 2, 0); /* b b b f */
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x2 = _mm_shuffle2_ps(r1, r0, 2, 2, 2, 2, 2, 2, 2, 0); /* c c c g */
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x3 = _mm_shuffle2_ps(r1, r0, 3, 3, 3, 3, 2, 2, 2, 0); /* d d d h */
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/*
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dest[0][0] = f * t1[0] - g * t1[1] + h * t1[2];
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dest[0][1] =-(b * t1[0] - c * t1[1] + d * t1[2]);
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dest[0][2] = b * t2[0] - c * t2[1] + d * t2[2];
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dest[0][3] =-(b * t3[0] - c * t3[1] + d * t3[2]); */
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v0 = _mm_add_ps(_mm_mul_ps(x3, t2),
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_mm_sub_ps(_mm_mul_ps(x1, t0),
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_mm_mul_ps(x2, t1)));
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v0 = _mm_xor_ps(v0, _mm_set_ps(-0.f, 0.f, -0.f, 0.f));
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/*
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dest[1][0] =-(e * t1[0] - g * t1[3] + h * t1[4]);
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dest[1][1] = a * t1[0] - c * t1[3] + d * t1[4];
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dest[1][2] =-(a * t2[0] - c * t2[3] + d * t2[4]);
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dest[1][3] = a * t3[0] - c * t3[3] + d * t3[4]; */
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v1 = _mm_add_ps(_mm_mul_ps(x3, t4),
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_mm_sub_ps(_mm_mul_ps(x0, t0),
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_mm_mul_ps(x2, t3)));
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v1 = _mm_xor_ps(v1, _mm_set_ps(0.f, -0.f, 0.f, -0.f));
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/*
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dest[2][0] = e * t1[1] - f * t1[3] + h * t1[5];
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dest[2][1] =-(a * t1[1] - b * t1[3] + d * t1[5]);
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dest[2][2] = a * t2[1] - b * t2[3] + d * t2[5];
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dest[2][3] =-(a * t3[1] - b * t3[3] + d * t3[5]);*/
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v2 = _mm_add_ps(_mm_mul_ps(x3, t5),
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_mm_sub_ps(_mm_mul_ps(x0, t1),
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_mm_mul_ps(x1, t3)));
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v2 = _mm_xor_ps(v2, _mm_set_ps(-0.f, 0.f, -0.f, 0.f));
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/*
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dest[3][0] =-(e * t1[2] - f * t1[4] + g * t1[5]);
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dest[3][1] = a * t1[2] - b * t1[4] + c * t1[5];
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dest[3][2] =-(a * t2[2] - b * t2[4] + c * t2[5]);
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dest[3][3] = a * t3[2] - b * t3[4] + c * t3[5]; */
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v3 = _mm_add_ps(_mm_mul_ps(x2, t5),
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_mm_sub_ps(_mm_mul_ps(x0, t2),
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_mm_mul_ps(x1, t4)));
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v3 = _mm_xor_ps(v3, _mm_set_ps(0.f, -0.f, 0.f, -0.f));
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/* determinant */
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x0 = _mm_shuffle_ps(v0, v1, _MM_SHUFFLE(0, 0, 0, 0));
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x1 = _mm_shuffle_ps(v2, v3, _MM_SHUFFLE(0, 0, 0, 0));
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x0 = _mm_shuffle_ps(x0, x1, _MM_SHUFFLE(2, 0, 2, 0));
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x0 = _mm_mul_ps(x0, r0);
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x0 = _mm_add_ps(x0, _mm_shuffle1_ps(x0, 0, 1, 2, 3));
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x0 = _mm_add_ps(x0, _mm_shuffle1_ps(x0, 1, 0, 0, 1));
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x0 = _mm_rcp_ps(x0);
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_mm_store_ps(dest[0], _mm_mul_ps(v0, x0));
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_mm_store_ps(dest[1], _mm_mul_ps(v1, x0));
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_mm_store_ps(dest[2], _mm_mul_ps(v2, x0));
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_mm_store_ps(dest[3], _mm_mul_ps(v3, x0));
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}
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#endif /* cglm_mat_sse_h */
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