public void safeAcosTest() { ld_float actual; ld_float expected; ld_float x; //ld_float delta = 0.00001f; // Input : x = -1.0f x = -1.0f; expected = LDMathUtil.PI; actual = LDMathUtil.safeAcos(x); TestUtil.COMPARE(expected, actual); // Input : x = 1.0f x = 1.0f; expected = 0.0f; actual = LDMathUtil.safeAcos(x); TestUtil.COMPARE(expected, actual); }
//-------------------- /** * @brief 回転角を取り出して返す */ public ld_float getAngle() { return(LDMathUtil.safeAcos(w) * 2.0f); }