コード例 #1
0
ファイル: main.c プロジェクト: g1ll/ga_c
int final_ga(int **pop, float *v_ap, int size, int genes, int count_ev) {
    int i,ci, d;
    float ap, ap2;

    //Compara se os individuos pais são iguais entre si
    for (i = 0, ci = 0; i < size; i++) {
        ap = fo_01(bitsToFloat(pop[i]));
        d = i - 1;
        if (d < 0)
            d = 0;
        ap2 = fo_01(bitsToFloat(pop[d]));
        if (ap == ap2) {
            ci++;
        }

    }

    if (ci >= size * 0.95) {//ci >= size * 0.8 &&
        count_ev++;
    }
    printf("\n\t |ci = %d | contador ev = %d\n", ci, count_ev);
    /*
        if(count_ev==count_max)
            stop_ga=1;
    
        return stop_ga;
     */
    return count_ev;
}
コード例 #2
0
ファイル: main.c プロジェクト: g1ll/ga_c
float *avaliarPop(int **pop, int size, int genes, double a, double b) {
    int i;
    float *v;

    v = (float*) malloc(size * sizeof (float));

    //printf("\n Calculando Valores da FO:");
    for (i = 0; i < size; i++) {
        if (bitsToFloat(pop[i]) < a) {
            pop[i] = floatToBits(a - bitsToFloat(pop[i]));
        }
        if (bitsToFloat(pop[i]) > b) {
            pop[i] = floatToBits(bitsToFloat(pop[i]) - b);
        }
        v[i] = fo_01(bitsToFloat(pop[i]));
    }

    /*
        printf("\n Vetor de valores da fo:\n");

        for (i = 0; i < size; i++) {
             printf("\ny = %.3f", v[i]);
        }
     */
    return v;

}
コード例 #3
0
ファイル: main.c プロジェクト: g1ll/ga_c
void printPop(int **pop, int size, int genes) {

    int i, j;

    for (i = 0; i < size; i++) {

        printf("\n [%d] ", i);
        for (j = 0; j < genes; j++) {
            printf("%d", pop[i][j]);
        }

        printf(" | x = %.3f : f(x) = %.3f", bitsToFloat(pop[i]), fo_01(bitsToFloat(pop[i])));
    }

}
コード例 #4
0
ファイル: main.c プロジェクト: g1ll/ga_c
int* getOtimo(int **pop, int flag_o, int size) {
    int i, otimo = 0;
    float a,b;
    for (i = 0; i < size; i++) {
        a = fo_01(bitsToFloat(pop[i]));
        b = fo_01(bitsToFloat(pop[otimo]));
        if (flag_o == 0) {            
            if (a < b )
                otimo = i;
        } else {
            if (a > b)
                otimo = i;
        }
    }
    return pop[otimo];
}
コード例 #5
0
ファイル: halftest.cpp プロジェクト: Bielo999/ptex
int testroundrange(int inc)
{
    int count = 0;
    // check all legal float32 values within legal float16 range
    float f1 = 2.9802320611338473e-08; // min float16
    float f2 = 65519; // max float 16
    unsigned int i1 = floatToBits(f1);
    unsigned int i2 = floatToBits(f2);
    for (unsigned int i = i1; i < i2; i+=inc) count += testround(bitsToFloat(i));

    // and the negatives
    f1 = -2.9802320611338473e-08; // min float16
    f2 = -65519; // max float 16
    i1 = floatToBits(f1);
    i2 = floatToBits(f2);
    for (unsigned int i = i1; i < i2; i+=inc) count += testround(bitsToFloat(i));
    return count;
}
コード例 #6
0
ファイル: halftest.cpp プロジェクト: Bielo999/ptex
int excheck(uint32_t val)
{
    float f = bitsToFloat(val);
    int i = f2h(f);
    float f2 = h2f(i);
    if (memcmp(&f, &f2, 4)) {
	printf("error: %g(0x%0x)->0x%x->%g(0x%0x)\n", 
	       f, floatToBits(f), i, f2, floatToBits(f2));
	return 1;
    }
    return 0;
}
コード例 #7
0
ファイル: math.cpp プロジェクト: fluffyfreak/bx
	float frexp(float _a, int32_t* _outExp)
	{
		const uint32_t ftob     = floatToBits(_a);
		const uint32_t masked0  = uint32_and(ftob, UINT32_C(0x7f800000) );
		const uint32_t exp0     = uint32_srl(masked0, 23);
		const uint32_t masked1  = uint32_and(ftob,   UINT32_C(0x807fffff) );
		const uint32_t bits     = uint32_or(masked1, UINT32_C(0x3f000000) );
		const float    result   = bitsToFloat(bits);

		*_outExp = int32_t(exp0 - 0x7e);

		return result;
	}
コード例 #8
0
ファイル: math.cpp プロジェクト: fluffyfreak/bx
	BX_CONST_FUNC float ldexp(float _a, int32_t _b)
	{
		const uint32_t ftob     = floatToBits(_a);
		const uint32_t masked   = uint32_and(ftob, UINT32_C(0xff800000) );
		const uint32_t expsign0 = uint32_sra(masked, 23);
		const uint32_t tmp      = uint32_iadd(expsign0, _b);
		const uint32_t expsign1 = uint32_sll(tmp, 23);
		const uint32_t mantissa = uint32_and(ftob, UINT32_C(0x007fffff) );
		const uint32_t bits     = uint32_or(mantissa, expsign1);
		const float    result   = bitsToFloat(bits);

		return result;
	}
コード例 #9
0
ファイル: main.c プロジェクト: g1ll/ga_c
void testeCadBits() {
    //Teste função para converter de valor numérico para vetor binário
    // Todos os possíveis valores do espaço de busca convertidos para binário
    // Espaço de busca de -2.048: 0.001 : 2.048
    int *cr, i, *cd;
    float j, n;

    printf("VALORES DE X|\t\t\tCADEIA DE BITS (CROMOSSOMOS)\t\t| F(x)= x*sin(10*pi*x)+1");

    for (j = -2.048; j <= 2.048; j += 0.001) {
        cr = floatToBits(j);
        printf("\n x= %.3f | floatToBits(x): ", j);
        for (i = 0; i <= 11; i++) {
            printf("%d", cr[i]);
        }
        n = bitsToFloat(cr);
        printf(" >> bitToFloat(*bits): %.3f ", n);
        //aplicando a função objetivo
        printf("| y =  %.3f", fo_01(j));

    }
    printf("\n\n");
}
コード例 #10
0
ファイル: math.cpp プロジェクト: fluffyfreak/bx
namespace bx
{
	const float kPi         = 3.1415926535897932384626433832795f;
	const float kPi2        = 6.2831853071795864769252867665590f;
	const float kInvPi      = 1.0f/kPi;
	const float kPiHalf     = 1.5707963267948966192313216916398f;
	const float kPiQuarter  = 0.7853981633974483096156608458199f;
	const float kSqrt2      = 1.4142135623730950488016887242097f;
	const float kLogNat10   = 2.3025850929940456840179914546844f;
	const float kInvLogNat2 = 1.4426950408889634073599246810019f;
	const float kLogNat2Hi  = 0.6931471805599453094172321214582f;
	const float kLogNat2Lo  = 1.90821492927058770002e-10f;
	const float kE          = 2.7182818284590452353602874713527f;
	const float kNearZero   = 1.0f/float(1 << 28);
	const float kFloatMin   = 1.175494e-38f;
	const float kFloatMax   = 3.402823e+38f;
	const float kInfinity   = bitsToFloat(UINT32_C(0x7f800000) );

	namespace
	{
		static const float kSinC2  = -0.16666667163372039794921875f;
		static const float kSinC4  =  8.333347737789154052734375e-3f;
		static const float kSinC6  = -1.9842604524455964565277099609375e-4f;
		static const float kSinC8  =  2.760012648650445044040679931640625e-6f;
		static const float kSinC10 = -2.50293279435709337121807038784027099609375e-8f;

		static const float kCosC2  = -0.5f;
		static const float kCosC4  =  4.166664183139801025390625e-2f;
		static const float kCosC6  = -1.388833043165504932403564453125e-3f;
		static const float kCosC8  =  2.47562347794882953166961669921875e-5f;
		static const float kCosC10 = -2.59630184018533327616751194000244140625e-7f;

	} // namespace

	BX_CONST_FUNC float cos(float _a)
	{
		const float scaled = _a * 2.0f*kInvPi;
		const float real   = floor(scaled);
		const float xx     = _a - real * kPiHalf;
		const int32_t bits = int32_t(real) & 3;

		float c0, c2, c4, c6, c8, c10;

		if (bits == 0
		||  bits == 2)
		{
			c0  = 1.0f;
			c2  = kCosC2;
			c4  = kCosC4;
			c6  = kCosC6;
			c8  = kCosC8;
			c10 = kCosC10;
		}
		else
		{
			c0  = xx;
			c2  = kSinC2;
			c4  = kSinC4;
			c6  = kSinC6;
			c8  = kSinC8;
			c10 = kSinC10;
		}

		const float xsq    = square(xx);
		const float tmp0   = mad(c10,  xsq, c8 );
		const float tmp1   = mad(tmp0, xsq, c6 );
		const float tmp2   = mad(tmp1, xsq, c4 );
		const float tmp3   = mad(tmp2, xsq, c2 );
		const float tmp4   = mad(tmp3, xsq, 1.0);
		const float result = tmp4 * c0;

		return bits == 1 || bits == 2
			? -result
			:  result
			;
	}

	namespace
	{
		static const float kAcosC0 =  1.5707288f;
		static const float kAcosC1 = -0.2121144f;
		static const float kAcosC2 =  0.0742610f;
		static const float kAcosC3 = -0.0187293f;

	} // namespace

	BX_CONST_FUNC float acos(float _a)
	{
		const float absa   = abs(_a);
		const float tmp0   = mad(kAcosC3, absa, kAcosC2);
		const float tmp1   = mad(tmp0,    absa, kAcosC1);
		const float tmp2   = mad(tmp1,    absa, kAcosC0);
		const float tmp3   = tmp2 * sqrt(1.0f - absa);
		const float negate = float(_a < 0.0f);
		const float tmp4   = tmp3 - 2.0f*negate*tmp3;
		const float result = negate*kPi + tmp4;

		return result;
	}

	namespace
	{
		static const float kAtan2C0 = -0.013480470f;
		static const float kAtan2C1 =  0.057477314f;
		static const float kAtan2C2 = -0.121239071f;
		static const float kAtan2C3 =  0.195635925f;
		static const float kAtan2C4 = -0.332994597f;
		static const float kAtan2C5 =  0.999995630f;

	} // namespace

	BX_CONST_FUNC float atan2(float _y, float _x)
	{
		const float ax     = abs(_x);
		const float ay     = abs(_y);
		const float maxaxy = max(ax, ay);
		const float minaxy = min(ax, ay);

		if (maxaxy == 0.0f)
		{
			return 0.0f*sign(_y);
		}

		const float mxy    = minaxy / maxaxy;
		const float mxysq  = square(mxy);
		const float tmp0   = mad(kAtan2C0, mxysq, kAtan2C1);
		const float tmp1   = mad(tmp0,     mxysq, kAtan2C2);
		const float tmp2   = mad(tmp1,     mxysq, kAtan2C3);
		const float tmp3   = mad(tmp2,     mxysq, kAtan2C4);
		const float tmp4   = mad(tmp3,     mxysq, kAtan2C5);
		const float tmp5   = tmp4 * mxy;
		const float tmp6   = ay > ax   ? kPiHalf - tmp5 : tmp5;
		const float tmp7   = _x < 0.0f ? kPi     - tmp6 : tmp6;
		const float result = sign(_y)*tmp7;

		return result;
	}

	BX_CONST_FUNC float ldexp(float _a, int32_t _b)
	{
		const uint32_t ftob     = floatToBits(_a);
		const uint32_t masked   = uint32_and(ftob, UINT32_C(0xff800000) );
		const uint32_t expsign0 = uint32_sra(masked, 23);
		const uint32_t tmp      = uint32_iadd(expsign0, _b);
		const uint32_t expsign1 = uint32_sll(tmp, 23);
		const uint32_t mantissa = uint32_and(ftob, UINT32_C(0x007fffff) );
		const uint32_t bits     = uint32_or(mantissa, expsign1);
		const float    result   = bitsToFloat(bits);

		return result;
	}

	float frexp(float _a, int32_t* _outExp)
	{
		const uint32_t ftob     = floatToBits(_a);
		const uint32_t masked0  = uint32_and(ftob, UINT32_C(0x7f800000) );
		const uint32_t exp0     = uint32_srl(masked0, 23);
		const uint32_t masked1  = uint32_and(ftob,   UINT32_C(0x807fffff) );
		const uint32_t bits     = uint32_or(masked1, UINT32_C(0x3f000000) );
		const float    result   = bitsToFloat(bits);

		*_outExp = int32_t(exp0 - 0x7e);

		return result;
	}

	namespace
	{
		static const float kExpC0  =  1.66666666666666019037e-01f;
		static const float kExpC1  = -2.77777777770155933842e-03f;
		static const float kExpC2  =  6.61375632143793436117e-05f;
		static const float kExpC3  = -1.65339022054652515390e-06f;
		static const float kExpC4  =  4.13813679705723846039e-08f;

	} // namespace

	BX_CONST_FUNC float exp(float _a)
	{
		if (abs(_a) <= kNearZero)
		{
			return _a + 1.0f;
		}

		const float kk     = round(_a*kInvLogNat2);
		const float hi     = _a - kk*kLogNat2Hi;
		const float lo     =      kk*kLogNat2Lo;
		const float hml    = hi - lo;
		const float hmlsq  = square(hml);
		const float tmp0   = mad(kExpC4, hmlsq, kExpC3);
		const float tmp1   = mad(tmp0,   hmlsq, kExpC2);
		const float tmp2   = mad(tmp1,   hmlsq, kExpC1);
		const float tmp3   = mad(tmp2,   hmlsq, kExpC0);
		const float tmp4   = hml - hmlsq * tmp3;
		const float tmp5   = hml*tmp4/(2.0f-tmp4);
		const float tmp6   = 1.0f - ( (lo - tmp5) - hi);
		const float result = ldexp(tmp6, int32_t(kk) );

		return result;
	}

	namespace
	{
		static const float kLogC0 = 6.666666666666735130e-01f;
		static const float kLogC1 = 3.999999999940941908e-01f;
		static const float kLogC2 = 2.857142874366239149e-01f;
		static const float kLogC3 = 2.222219843214978396e-01f;
		static const float kLogC4 = 1.818357216161805012e-01f;
		static const float kLogC5 = 1.531383769920937332e-01f;
		static const float kLogC6 = 1.479819860511658591e-01f;

	} // namespace

	BX_CONST_FUNC float log(float _a)
	{
		int32_t exp;
		float ff = frexp(_a, &exp);
		if (ff < kSqrt2*0.5f)
		{
			ff *= 2.0f;
			--exp;
		}

		ff -= 1.0f;
		const float kk     = float(exp);
		const float hi     = kk*kLogNat2Hi;
		const float lo     = kk*kLogNat2Lo;
		const float ss     = ff / (2.0f + ff);
		const float s2     = square(ss);
		const float s4     = square(s2);

		const float tmp0   = mad(kLogC6, s4, kLogC4);
		const float tmp1   = mad(tmp0,   s4, kLogC2);
		const float tmp2   = mad(tmp1,   s4, kLogC0);
		const float t1     = s2*tmp2;

		const float tmp3   = mad(kLogC5, s4, kLogC3);
		const float tmp4   = mad(tmp3,   s4, kLogC1);
		const float t2     = s4*tmp4;

		const float t12    = t1 + t2;
		const float hfsq   = 0.5f*square(ff);
		const float result = hi - ( (hfsq - (ss*(hfsq+t12) + lo) ) - ff);

		return result;
	}

	BX_CONST_FUNC float floor(float _a)
	{
		if (_a < 0.0f)
		{
			const float fr = fract(-_a);
			const float result = -_a - fr;

			return -(0.0f != fr
				? result + 1.0f
				: result)
				;
		}

		return _a - fract(_a);
	}

	void mtxLookAtImpl(float* _result, const float* _eye, const float* _view, const float* _up)
	{
		float up[3] = { 0.0f, 1.0f, 0.0f };
		if (NULL != _up)
		{
			up[0] = _up[0];
			up[1] = _up[1];
			up[2] = _up[2];
		}

		float tmp[4];
		vec3Cross(tmp, up, _view);

		float right[4];
		vec3Norm(right, tmp);

		vec3Cross(up, _view, right);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = right[0];
		_result[ 1] = up[0];
		_result[ 2] = _view[0];

		_result[ 4] = right[1];
		_result[ 5] = up[1];
		_result[ 6] = _view[1];

		_result[ 8] = right[2];
		_result[ 9] = up[2];
		_result[10] = _view[2];

		_result[12] = -vec3Dot(right, _eye);
		_result[13] = -vec3Dot(up, _eye);
		_result[14] = -vec3Dot(_view, _eye);
		_result[15] = 1.0f;
	}

	void mtxLookAtLh(float* _result, const float* _eye, const float* _at, const float* _up)
	{
		float tmp[4];
		vec3Sub(tmp, _at, _eye);

		float view[4];
		vec3Norm(view, tmp);

		mtxLookAtImpl(_result, _eye, view, _up);
	}

	void mtxLookAtRh(float* _result, const float* _eye, const float* _at, const float* _up)
	{
		float tmp[4];
		vec3Sub(tmp, _eye, _at);

		float view[4];
		vec3Norm(view, tmp);

		mtxLookAtImpl(_result, _eye, view, _up);
	}

	void mtxLookAt(float* _result, const float* _eye, const float* _at, const float* _up)
	{
		mtxLookAtLh(_result, _eye, _at, _up);
	}

	template<Handness::Enum HandnessT>
	void mtxProjXYWH(float* _result, float _x, float _y, float _width, float _height, float _near, float _far, bool _oglNdc)
	{
		const float diff = _far-_near;
		const float aa = _oglNdc ? (     _far+_near)/diff : _far/diff;
		const float bb = _oglNdc ? (2.0f*_far*_near)/diff : _near*aa;

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = _width;
		_result[ 5] = _height;
		_result[ 8] = (Handness::Right == HandnessT) ?    _x :  -_x;
		_result[ 9] = (Handness::Right == HandnessT) ?    _y :  -_y;
		_result[10] = (Handness::Right == HandnessT) ?   -aa :   aa;
		_result[11] = (Handness::Right == HandnessT) ? -1.0f : 1.0f;
		_result[14] = -bb;
	}

	template<Handness::Enum HandnessT>
	void mtxProjImpl(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, float _far, bool _oglNdc)
	{
		const float invDiffRl = 1.0f/(_rt - _lt);
		const float invDiffUd = 1.0f/(_ut - _dt);
		const float width  =  2.0f*_near * invDiffRl;
		const float height =  2.0f*_near * invDiffUd;
		const float xx     = (_rt + _lt) * invDiffRl;
		const float yy     = (_ut + _dt) * invDiffUd;
		mtxProjXYWH<HandnessT>(_result, xx, yy, width, height, _near, _far, _oglNdc);
	}

	template<Handness::Enum HandnessT>
	void mtxProjImpl(float* _result, const float _fov[4], float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<HandnessT>(_result, _fov[0], _fov[1], _fov[2], _fov[3], _near, _far, _oglNdc);
	}

	template<Handness::Enum HandnessT>
	void mtxProjImpl(float* _result, float _fovy, float _aspect, float _near, float _far, bool _oglNdc)
	{
		const float height = 1.0f/tan(toRad(_fovy)*0.5f);
		const float width  = height * 1.0f/_aspect;
		mtxProjXYWH<HandnessT>(_result, 0.0f, 0.0f, width, height, _near, _far, _oglNdc);
	}

	void mtxProj(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _ut, _dt, _lt, _rt, _near, _far, _oglNdc);
	}

	void mtxProj(float* _result, const float _fov[4], float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _fov, _near, _far, _oglNdc);
	}

	void mtxProj(float* _result, float _fovy, float _aspect, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _fovy, _aspect, _near, _far, _oglNdc);
	}

	void mtxProjLh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _ut, _dt, _lt, _rt, _near, _far, _oglNdc);
	}

	void mtxProjLh(float* _result, const float _fov[4], float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _fov, _near, _far, _oglNdc);
	}

	void mtxProjLh(float* _result, float _fovy, float _aspect, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Left>(_result, _fovy, _aspect, _near, _far, _oglNdc);
	}

	void mtxProjRh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Right>(_result, _ut, _dt, _lt, _rt, _near, _far, _oglNdc);
	}

	void mtxProjRh(float* _result, const float _fov[4], float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Right>(_result, _fov, _near, _far, _oglNdc);
	}

	void mtxProjRh(float* _result, float _fovy, float _aspect, float _near, float _far, bool _oglNdc)
	{
		mtxProjImpl<Handness::Right>(_result, _fovy, _aspect, _near, _far, _oglNdc);
	}

	template<NearFar::Enum NearFarT, Handness::Enum HandnessT>
	void mtxProjInfXYWH(float* _result, float _x, float _y, float _width, float _height, float _near, bool _oglNdc)
	{
		float aa;
		float bb;
		if (BX_ENABLED(NearFar::Reverse == NearFarT) )
		{
			aa = _oglNdc ?       -1.0f :   0.0f;
			bb = _oglNdc ? -2.0f*_near : -_near;
		}
		else
		{
			aa = 1.0f;
			bb = _oglNdc ? 2.0f*_near : _near;
		}

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = _width;
		_result[ 5] = _height;
		_result[ 8] = (Handness::Right == HandnessT) ?    _x :  -_x;
		_result[ 9] = (Handness::Right == HandnessT) ?    _y :  -_y;
		_result[10] = (Handness::Right == HandnessT) ?   -aa :   aa;
		_result[11] = (Handness::Right == HandnessT) ? -1.0f : 1.0f;
		_result[14] = -bb;
	}

	template<NearFar::Enum NearFarT, Handness::Enum HandnessT>
	void mtxProjInfImpl(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		const float invDiffRl = 1.0f/(_rt - _lt);
		const float invDiffUd = 1.0f/(_ut - _dt);
		const float width  =  2.0f*_near * invDiffRl;
		const float height =  2.0f*_near * invDiffUd;
		const float xx     = (_rt + _lt) * invDiffRl;
		const float yy     = (_ut + _dt) * invDiffUd;
		mtxProjInfXYWH<NearFarT,HandnessT>(_result, xx, yy, width, height, _near, _oglNdc);
	}

	template<NearFar::Enum NearFarT, Handness::Enum HandnessT>
	void mtxProjInfImpl(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFarT,HandnessT>(_result, _fov[0], _fov[1], _fov[2], _fov[3], _near, _oglNdc);
	}

	template<NearFar::Enum NearFarT, Handness::Enum HandnessT>
	void mtxProjInfImpl(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		const float height = 1.0f/tan(toRad(_fovy)*0.5f);
		const float width  = height * 1.0f/_aspect;
		mtxProjInfXYWH<NearFarT,HandnessT>(_result, 0.0f, 0.0f, width, height, _near, _oglNdc);
	}

	void mtxProjInf(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _fov, _near, _oglNdc);
	}

	void mtxProjInf(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _ut, _dt, _lt, _rt, _near, _oglNdc);
	}

	void mtxProjInf(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _fovy, _aspect, _near, _oglNdc);
	}

	void mtxProjInfLh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _ut, _dt, _lt, _rt, _near, _oglNdc);
	}

	void mtxProjInfLh(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _fov, _near, _oglNdc);
	}

	void mtxProjInfLh(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Left>(_result, _fovy, _aspect, _near, _oglNdc);
	}

	void mtxProjInfRh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Right>(_result, _ut, _dt, _lt, _rt, _near, _oglNdc);
	}

	void mtxProjInfRh(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Right>(_result, _fov, _near, _oglNdc);
	}

	void mtxProjInfRh(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Default,Handness::Right>(_result, _fovy, _aspect, _near, _oglNdc);
	}

	void mtxProjRevInfLh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Left>(_result, _ut, _dt, _lt, _rt, _near, _oglNdc);
	}

	void mtxProjRevInfLh(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Left>(_result, _fov, _near, _oglNdc);
	}

	void mtxProjRevInfLh(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Left>(_result, _fovy, _aspect, _near, _oglNdc);
	}

	void mtxProjRevInfRh(float* _result, float _ut, float _dt, float _lt, float _rt, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Right>(_result, _ut, _dt, _lt, _rt, _near, _oglNdc);
	}

	void mtxProjRevInfRh(float* _result, const float _fov[4], float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Right>(_result, _fov, _near, _oglNdc);
	}

	void mtxProjRevInfRh(float* _result, float _fovy, float _aspect, float _near, bool _oglNdc)
	{
		mtxProjInfImpl<NearFar::Reverse,Handness::Right>(_result, _fovy, _aspect, _near, _oglNdc);
	}

	template<Handness::Enum HandnessT>
	void mtxOrthoImpl(float* _result, float _left, float _right, float _bottom, float _top, float _near, float _far, float _offset, bool _oglNdc)
	{
		const float aa = 2.0f/(_right - _left);
		const float bb = 2.0f/(_top - _bottom);
		const float cc = (_oglNdc ? 2.0f : 1.0f) / (_far - _near);
		const float dd = (_left + _right )/(_left   - _right);
		const float ee = (_top  + _bottom)/(_bottom - _top  );
		const float ff = _oglNdc
			? (_near + _far)/(_near - _far)
			:  _near        /(_near - _far)
			;

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = aa;
		_result[ 5] = bb;
		_result[10] = (Handness::Right == HandnessT) ? -cc : cc;
		_result[12] = dd + _offset;
		_result[13] = ee;
		_result[14] = ff;
		_result[15] = 1.0f;
	}

	void mtxOrtho(float* _result, float _left, float _right, float _bottom, float _top, float _near, float _far, float _offset, bool _oglNdc)
	{
		mtxOrthoImpl<Handness::Left>(_result, _left, _right, _bottom, _top, _near, _far, _offset, _oglNdc);
	}

	void mtxOrthoLh(float* _result, float _left, float _right, float _bottom, float _top, float _near, float _far, float _offset, bool _oglNdc)
	{
		mtxOrthoImpl<Handness::Left>(_result, _left, _right, _bottom, _top, _near, _far, _offset, _oglNdc);
	}

	void mtxOrthoRh(float* _result, float _left, float _right, float _bottom, float _top, float _near, float _far, float _offset, bool _oglNdc)
	{
		mtxOrthoImpl<Handness::Right>(_result, _left, _right, _bottom, _top, _near, _far, _offset, _oglNdc);
	}

	void mtxRotateX(float* _result, float _ax)
	{
		const float sx = sin(_ax);
		const float cx = cos(_ax);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = 1.0f;
		_result[ 5] = cx;
		_result[ 6] = -sx;
		_result[ 9] = sx;
		_result[10] = cx;
		_result[15] = 1.0f;
	}

	void mtxRotateY(float* _result, float _ay)
	{
		const float sy = sin(_ay);
		const float cy = cos(_ay);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = cy;
		_result[ 2] = sy;
		_result[ 5] = 1.0f;
		_result[ 8] = -sy;
		_result[10] = cy;
		_result[15] = 1.0f;
	}

	void mtxRotateZ(float* _result, float _az)
	{
		const float sz = sin(_az);
		const float cz = cos(_az);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = cz;
		_result[ 1] = -sz;
		_result[ 4] = sz;
		_result[ 5] = cz;
		_result[10] = 1.0f;
		_result[15] = 1.0f;
	}

	void mtxRotateXY(float* _result, float _ax, float _ay)
	{
		const float sx = sin(_ax);
		const float cx = cos(_ax);
		const float sy = sin(_ay);
		const float cy = cos(_ay);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = cy;
		_result[ 2] = sy;
		_result[ 4] = sx*sy;
		_result[ 5] = cx;
		_result[ 6] = -sx*cy;
		_result[ 8] = -cx*sy;
		_result[ 9] = sx;
		_result[10] = cx*cy;
		_result[15] = 1.0f;
	}

	void mtxRotateXYZ(float* _result, float _ax, float _ay, float _az)
	{
		const float sx = sin(_ax);
		const float cx = cos(_ax);
		const float sy = sin(_ay);
		const float cy = cos(_ay);
		const float sz = sin(_az);
		const float cz = cos(_az);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = cy*cz;
		_result[ 1] = -cy*sz;
		_result[ 2] = sy;
		_result[ 4] = cz*sx*sy + cx*sz;
		_result[ 5] = cx*cz - sx*sy*sz;
		_result[ 6] = -cy*sx;
		_result[ 8] = -cx*cz*sy + sx*sz;
		_result[ 9] = cz*sx + cx*sy*sz;
		_result[10] = cx*cy;
		_result[15] = 1.0f;
	}

	void mtxRotateZYX(float* _result, float _ax, float _ay, float _az)
	{
		const float sx = sin(_ax);
		const float cx = cos(_ax);
		const float sy = sin(_ay);
		const float cy = cos(_ay);
		const float sz = sin(_az);
		const float cz = cos(_az);

		memSet(_result, 0, sizeof(float)*16);
		_result[ 0] = cy*cz;
		_result[ 1] = cz*sx*sy-cx*sz;
		_result[ 2] = cx*cz*sy+sx*sz;
		_result[ 4] = cy*sz;
		_result[ 5] = cx*cz + sx*sy*sz;
		_result[ 6] = -cz*sx + cx*sy*sz;
		_result[ 8] = -sy;
		_result[ 9] = cy*sx;
		_result[10] = cx*cy;
		_result[15] = 1.0f;
	};

	void mtxSRT(float* _result, float _sx, float _sy, float _sz, float _ax, float _ay, float _az, float _tx, float _ty, float _tz)
	{
		const float sx = sin(_ax);
		const float cx = cos(_ax);
		const float sy = sin(_ay);
		const float cy = cos(_ay);
		const float sz = sin(_az);
		const float cz = cos(_az);

		const float sxsz = sx*sz;
		const float cycz = cy*cz;

		_result[ 0] = _sx * (cycz - sxsz*sy);
		_result[ 1] = _sx * -cx*sz;
		_result[ 2] = _sx * (cz*sy + cy*sxsz);
		_result[ 3] = 0.0f;

		_result[ 4] = _sy * (cz*sx*sy + cy*sz);
		_result[ 5] = _sy * cx*cz;
		_result[ 6] = _sy * (sy*sz -cycz*sx);
		_result[ 7] = 0.0f;

		_result[ 8] = _sz * -cx*sy;
		_result[ 9] = _sz * sx;
		_result[10] = _sz * cx*cy;
		_result[11] = 0.0f;

		_result[12] = _tx;
		_result[13] = _ty;
		_result[14] = _tz;
		_result[15] = 1.0f;
	}

	void mtx3Inverse(float* _result, const float* _a)
	{
		float xx = _a[0];
		float xy = _a[1];
		float xz = _a[2];
		float yx = _a[3];
		float yy = _a[4];
		float yz = _a[5];
		float zx = _a[6];
		float zy = _a[7];
		float zz = _a[8];

		float det = 0.0f;
		det += xx * (yy*zz - yz*zy);
		det -= xy * (yx*zz - yz*zx);
		det += xz * (yx*zy - yy*zx);

		float invDet = 1.0f/det;

		_result[0] = +(yy*zz - yz*zy) * invDet;
		_result[1] = -(xy*zz - xz*zy) * invDet;
		_result[2] = +(xy*yz - xz*yy) * invDet;

		_result[3] = -(yx*zz - yz*zx) * invDet;
		_result[4] = +(xx*zz - xz*zx) * invDet;
		_result[5] = -(xx*yz - xz*yx) * invDet;

		_result[6] = +(yx*zy - yy*zx) * invDet;
		_result[7] = -(xx*zy - xy*zx) * invDet;
		_result[8] = +(xx*yy - xy*yx) * invDet;
	}

	void mtxInverse(float* _result, const float* _a)
	{
		float xx = _a[ 0];
		float xy = _a[ 1];
		float xz = _a[ 2];
		float xw = _a[ 3];
		float yx = _a[ 4];
		float yy = _a[ 5];
		float yz = _a[ 6];
		float yw = _a[ 7];
		float zx = _a[ 8];
		float zy = _a[ 9];
		float zz = _a[10];
		float zw = _a[11];
		float wx = _a[12];
		float wy = _a[13];
		float wz = _a[14];
		float ww = _a[15];

		float det = 0.0f;
		det += xx * (yy*(zz*ww - zw*wz) - yz*(zy*ww - zw*wy) + yw*(zy*wz - zz*wy) );
		det -= xy * (yx*(zz*ww - zw*wz) - yz*(zx*ww - zw*wx) + yw*(zx*wz - zz*wx) );
		det += xz * (yx*(zy*ww - zw*wy) - yy*(zx*ww - zw*wx) + yw*(zx*wy - zy*wx) );
		det -= xw * (yx*(zy*wz - zz*wy) - yy*(zx*wz - zz*wx) + yz*(zx*wy - zy*wx) );

		float invDet = 1.0f/det;

		_result[ 0] = +(yy*(zz*ww - wz*zw) - yz*(zy*ww - wy*zw) + yw*(zy*wz - wy*zz) ) * invDet;
		_result[ 1] = -(xy*(zz*ww - wz*zw) - xz*(zy*ww - wy*zw) + xw*(zy*wz - wy*zz) ) * invDet;
		_result[ 2] = +(xy*(yz*ww - wz*yw) - xz*(yy*ww - wy*yw) + xw*(yy*wz - wy*yz) ) * invDet;
		_result[ 3] = -(xy*(yz*zw - zz*yw) - xz*(yy*zw - zy*yw) + xw*(yy*zz - zy*yz) ) * invDet;

		_result[ 4] = -(yx*(zz*ww - wz*zw) - yz*(zx*ww - wx*zw) + yw*(zx*wz - wx*zz) ) * invDet;
		_result[ 5] = +(xx*(zz*ww - wz*zw) - xz*(zx*ww - wx*zw) + xw*(zx*wz - wx*zz) ) * invDet;
		_result[ 6] = -(xx*(yz*ww - wz*yw) - xz*(yx*ww - wx*yw) + xw*(yx*wz - wx*yz) ) * invDet;
		_result[ 7] = +(xx*(yz*zw - zz*yw) - xz*(yx*zw - zx*yw) + xw*(yx*zz - zx*yz) ) * invDet;

		_result[ 8] = +(yx*(zy*ww - wy*zw) - yy*(zx*ww - wx*zw) + yw*(zx*wy - wx*zy) ) * invDet;
		_result[ 9] = -(xx*(zy*ww - wy*zw) - xy*(zx*ww - wx*zw) + xw*(zx*wy - wx*zy) ) * invDet;
		_result[10] = +(xx*(yy*ww - wy*yw) - xy*(yx*ww - wx*yw) + xw*(yx*wy - wx*yy) ) * invDet;
		_result[11] = -(xx*(yy*zw - zy*yw) - xy*(yx*zw - zx*yw) + xw*(yx*zy - zx*yy) ) * invDet;

		_result[12] = -(yx*(zy*wz - wy*zz) - yy*(zx*wz - wx*zz) + yz*(zx*wy - wx*zy) ) * invDet;
		_result[13] = +(xx*(zy*wz - wy*zz) - xy*(zx*wz - wx*zz) + xz*(zx*wy - wx*zy) ) * invDet;
		_result[14] = -(xx*(yy*wz - wy*yz) - xy*(yx*wz - wx*yz) + xz*(yx*wy - wx*yy) ) * invDet;
		_result[15] = +(xx*(yy*zz - zy*yz) - xy*(yx*zz - zx*yz) + xz*(yx*zy - zx*yy) ) * invDet;
	}

	void calcLinearFit2D(float _result[2], const void* _points, uint32_t _stride, uint32_t _numPoints)
	{
		float sumX  = 0.0f;
		float sumY  = 0.0f;
		float sumXX = 0.0f;
		float sumXY = 0.0f;

		const uint8_t* ptr = (const uint8_t*)_points;
		for (uint32_t ii = 0; ii < _numPoints; ++ii, ptr += _stride)
		{
			const float* point = (const float*)ptr;
			float xx = point[0];
			float yy = point[1];
			sumX  += xx;
			sumY  += yy;
			sumXX += xx*xx;
			sumXY += xx*yy;
		}

		// [ sum(x^2) sum(x)    ] [ A ] = [ sum(x*y) ]
		// [ sum(x)   numPoints ] [ B ]   [ sum(y)   ]

		float det = (sumXX*_numPoints - sumX*sumX);
		float invDet = 1.0f/det;

		_result[0] = (-sumX * sumY + _numPoints * sumXY) * invDet;
		_result[1] = (sumXX * sumY - sumX       * sumXY) * invDet;
	}

	void calcLinearFit3D(float _result[3], const void* _points, uint32_t _stride, uint32_t _numPoints)
	{
		float sumX  = 0.0f;
		float sumY  = 0.0f;
		float sumZ  = 0.0f;
		float sumXX = 0.0f;
		float sumXY = 0.0f;
		float sumXZ = 0.0f;
		float sumYY = 0.0f;
		float sumYZ = 0.0f;

		const uint8_t* ptr = (const uint8_t*)_points;
		for (uint32_t ii = 0; ii < _numPoints; ++ii, ptr += _stride)
		{
			const float* point = (const float*)ptr;
			float xx = point[0];
			float yy = point[1];
			float zz = point[2];

			sumX  += xx;
			sumY  += yy;
			sumZ  += zz;
			sumXX += xx*xx;
			sumXY += xx*yy;
			sumXZ += xx*zz;
			sumYY += yy*yy;
			sumYZ += yy*zz;
		}

		// [ sum(x^2) sum(x*y) sum(x)    ] [ A ]   [ sum(x*z) ]
		// [ sum(x*y) sum(y^2) sum(y)    ] [ B ] = [ sum(y*z) ]
		// [ sum(x)   sum(y)   numPoints ] [ C ]   [ sum(z)   ]

		float mtx[9] =
		{
			sumXX, sumXY, sumX,
			sumXY, sumYY, sumY,
			sumX,  sumY,  float(_numPoints),
		};
		float invMtx[9];
		mtx3Inverse(invMtx, mtx);

		_result[0] = invMtx[0]*sumXZ + invMtx[1]*sumYZ + invMtx[2]*sumZ;
		_result[1] = invMtx[3]*sumXZ + invMtx[4]*sumYZ + invMtx[5]*sumZ;
		_result[2] = invMtx[6]*sumXZ + invMtx[7]*sumYZ + invMtx[8]*sumZ;
	}

	void rgbToHsv(float _hsv[3], const float _rgb[3])
	{
		const float rr = _rgb[0];
		const float gg = _rgb[1];
		const float bb = _rgb[2];

		const float s0 = step(bb, gg);

		const float px = lerp(bb,        gg,         s0);
		const float py = lerp(gg,        bb,         s0);
		const float pz = lerp(-1.0f,     0.0f,       s0);
		const float pw = lerp(2.0f/3.0f, -1.0f/3.0f, s0);

		const float s1 = step(px, rr);

		const float qx = lerp(px, rr, s1);
		const float qy = py;
		const float qz = lerp(pw, pz, s1);
		const float qw = lerp(rr, px, s1);

		const float dd = qx - min(qw, qy);
		const float ee = 1.0e-10f;

		_hsv[0] = abs(qz + (qw - qy) / (6.0f * dd + ee) );
		_hsv[1] = dd / (qx + ee);
		_hsv[2] = qx;
	}

	void hsvToRgb(float _rgb[3], const float _hsv[3])
	{
		const float hh = _hsv[0];
		const float ss = _hsv[1];
		const float vv = _hsv[2];

		const float px = abs(fract(hh + 1.0f     ) * 6.0f - 3.0f);
		const float py = abs(fract(hh + 2.0f/3.0f) * 6.0f - 3.0f);
		const float pz = abs(fract(hh + 1.0f/3.0f) * 6.0f - 3.0f);

		_rgb[0] = vv * lerp(1.0f, clamp(px - 1.0f, 0.0f, 1.0f), ss);
		_rgb[1] = vv * lerp(1.0f, clamp(py - 1.0f, 0.0f, 1.0f), ss);
		_rgb[2] = vv * lerp(1.0f, clamp(pz - 1.0f, 0.0f, 1.0f), ss);
	}

} // namespace bx
コード例 #11
0
ファイル: main.c プロジェクト: g1ll/ga_c
/**
 * <h3>Algoritmos Genéticos</h3>
 * <p>A função ga_fo_01 tem como objetivo usar uma implementação simples de GA para
 * otimizar a função <i>F(x)=x*sin(10*pi*x)+1<i> em um espaço de busca definido.</p>
 * @file main.c
 * @version 0.0
 * @autor Gill Velleda Gonzales
 * @param a Início do espaço de busca 
 * @param step Valor de incremento
 * @param b Fim do espaço de busca
 * @param otimizacao 0 Minimiza a FO != 0 Maximiza
 * @pop_size tamanho da população (bug máximo 12 indivíduos)
 * @return  
 * Valor otimizado de <i><b>fo_01</b></i> no espaço definido por <b>a</b> até  <b>b</b> passo <b>step</b>
 * 
 * @ToDo
 * 
 *   
 */
long double ga_fo_01(double a, double step, double b, int otimizacao, int pop_size) {

    //Inicialização
    int **pop,
            **pop_mat, //População Intermediaria
            size_pop = pop_size, //População
            genes = 12, //Tamanho de Cromossomos (Cadeia de Bits)
            geracao = 1, i, j,
            count_ev = 0, //Contador de não-evoluções ou gerações iguais que não evoluirão;
            nev_max = 10, //Número máximo de populações iguais que não evoluirão, critério de parada
            *cr_opt;
    float *v_ap,
            taxa_cros = 0.9,
            taxa_mutate = 0.3;



    printf("\nAlgoritmo Genético Processando");
    //Espaço de Busca
    printf("\nEspaço de busca de %.3f a %.3f incrementado de %.3f", a, b, step);
    //Gerando a população
    printf("\nGerando a População ...\nCromossos: 12 genes binários\nPopulação: %d indivíduos", size_pop);
    pop = gerarPopIni(size_pop, genes, a, step, b);
    //LOOP
    do {
        if (geracao > 1)
            free(pop_mat); //Liberando memória - Descarta a população de Pais
        //Avalia População
        printf("\nAvaliando a população (Geração: %d)", geracao);

        v_ap = avaliarPop(pop, size_pop, genes, a, b);
        //Selecionar mais aptos
        printf("\n Selecionando mais aptos:\n\t-gerando mating-pool\n");
        pop_mat = selecaoTorneio(pop, v_ap, size_pop, genes, otimizacao);
        printf("\n População Original - Geracao %d:\n", geracao);
        printPop(pop, size_pop, genes);
        printf("\n\n População Intermediária:\n");
        printPop(pop_mat, size_pop, genes);
        free(pop); //Liberando memória - Descarta a população original
        //Operações de Crossover e Mutação
        pop = crossover(pop_mat, taxa_cros, size_pop, genes);
        printf("\n\n Nova Geração pós-cruzamentos:");
        printPop(pop, size_pop, genes);        
        //Mutação
        pop = mutate(pop, taxa_mutate, size_pop, genes);
        printf("\n\n Nova Geração pós-mutações:");
        printPop(pop, size_pop, genes);
        //Geração de nova população
        geracao++;
        //count_nev = final_ga(pop, v_ap, size_pop, genes, count_nev);
        count_ev = final_ga(pop_mat, v_ap, size_pop, genes, count_ev);
        printf("\t-----------CONTADOR %d----------\n", count_ev);
        printf("\n||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\n");
        if (count_ev == nev_max) {
            /* aloca espaço para o cromossomo otimo */
            cr_opt = (int *) calloc(genes, sizeof (int));
            cr_opt = getOtimo(pop_mat, otimizacao, size_pop);
        }
    } while (count_ev < nev_max); //&& geracao <= 100);
    //FIM LOOP
    
     printf("\n GA- Finalizado:\n\tPopulação dos mais aptos:\n");
    printPop(pop_mat, size_pop, genes);
    printf("\n GA- Finalizado:\n\tx = %.3f Valor ótimo;\n\t y = %.3f", bitsToFloat(cr_opt), fo_01(bitsToFloat(cr_opt)));
    printf("\n Tamanho da População: %d", size_pop);
    printf("\n Genes por Cromossomos: %d", genes);
    printf("\n Taxa de Cruzamento: %.1f", taxa_cros);
    printf("\n Taxa de Mutação: %.1f", taxa_mutate);
    printf("\n Última Geração: %d:\n", geracao);
    printf("\n\n");
}