xmathfunc.inl

来自「XMathLib是一个通用的3D图形数学库。 其中包含两个部分： XMath」· INL 代码 · 共 70 行

#ifndef __XMATH_FUNC_INLINE_INCLUDE__ 
#define __XMATH_FUNC_INLINE_INCLUDE__ 

#ifndef IN_MATHLIB_NAMESPACE
#error   You cann't include this file out the XMathLib  namespace
#endif

    template <typename T> void _MATH_LIB_EXPORT_ XM_Swap(T& arg1,T& arg2)
    {
        T temp= arg1;
        arg1 = arg2;
        arg2 = temp;
        return ;
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_Rad2Deg(float rad)
    {
        return (float)rad / (float)XM_PI * 180;
    }
    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_Deg2Rad(float deg)
    {
        return (float)deg / 180 * (float)XM_PI;
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_CosD(float angle)
    {
        angle = (float)angle / 180 * (float)XM_PI;
        return (float)cos(angle);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_SinD(float angle)
    {
        angle = (float)angle / 180 * (float)XM_PI;
        return (float)sin(angle);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_ACosD(float c)
    {
        float rt = (float)acos(c);
        return (float)(rt / XM_PI * 180);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_ASinD(float s)
    {
        float rt = (float)asin(s);
        return (float)(rt / XM_PI * 180);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_CosR(float angle)
    {
        return (float)cos(angle);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_SinR(float angle)
    {
        return (float)sin(angle);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_ACosR(float c)
    {
        return (float)acos(c);
    }

    __FORCE_INLINE__ float _MATH_LIB_EXPORT_ XM_ASinR(float s)
    {
        return (float)asin(s);
    }

#endif