C++ (Cpp) genrand64_real1 예제들

예제 #1

파일: number.c 프로젝트: shinpei/konoha-wand

knh_float_t knh_float_rand(void)
{
#if defined(K_USING_NOFLOAT)
	return (knh_float_t)knh_rand();
#elif defined(K_USING_INT32)
	return (knh_float_t)genrand_real1();
#else
	return (knh_float_t)genrand64_real1();
#endif
}

예제 #2

파일: Math_glue.c 프로젝트: imasahiro/konoha3

static KMETHOD Math_random(KonohaContext *kctx, KonohaStack *sfp)
{
	kfloat_t ret;
#if defined(K_USING_INT32)
	ret = genrand_real1();
#else
	ret =genrand64_real1();
#endif
	KReturnFloatValue(ret);
}

예제 #3

파일: Atmosphere.cpp 프로젝트: periloso/SPACECRAFT

AtmosphereInfo::AtmosphereInfo(int seed):
	m_fInnerRadius(1.0f),
	m_nSamples(NUMSAMPLES),
	m_Kr(KR),
	m_Kr4PI(m_Kr*4.0f*PI),
	m_Km(KM),
	m_Km4PI(m_Km*4.0f*PI),
	m_fRayleighScaleDepth(RAYLEIGHDEPTH),
	m_fMieScaleDepth(MIEDEPTH)
{
	init_genrand64(seed);

	m_fOuterRadius=1.05f+(genrand64_real1()-0.3f)*0.04f;
	// m_fWavelength[0]=WAVELENGTH0+(genrand64_real1()-0.5f)*0.200f;
	// m_fWavelength[1]=WAVELENGTH1+(genrand64_real1()-0.5f)*0.200f;
	// m_fWavelength[2]=WAVELENGTH2+(genrand64_real1()-0.5f)*0.200f;
	m_fWavelength[0]=WAVELENGTH0+(genrand64_real1()-0.5f)*0.010f;
	m_fWavelength[1]=WAVELENGTH1+(genrand64_real1()-0.5f)*0.010f;
	m_fWavelength[2]=WAVELENGTH2+(genrand64_real1()-0.5f)*0.010f;

	m_ESun=(ESUN)+(genrand64_real1())*20.0f;
	m_g=(G)+(genrand64_real1()-0.5f)*0.15f;

	m_fWavelength4[0]=(powf(m_fWavelength[0], 4.0f));
	m_fWavelength4[1]=(powf(m_fWavelength[1], 4.0f));
	m_fWavelength4[2]=(powf(m_fWavelength[2], 4.0f));

	m_fScale=(1.0f/(m_fOuterRadius - m_fInnerRadius));
}