1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "TradeFedNativeTestSampleLib.h" 18 19 namespace TFNativeTestSampleLib { 20 21 // Calculate fibonacci recursively, where 0 <= n <= 47 22 unsigned long fibonacci_recursive(int n) { 23 if (n == 0) { 24 return 0; 25 } 26 else if (n == 1) { 27 return 1; 28 } 29 else { 30 return fibonacci_recursive(n-1) + fibonacci_recursive(n-2); 31 } 32 } 33 34 // Calculate fibonacci iteratively, where 0 <= n <= 47 35 unsigned long fibonacci_iterative(int n) { 36 unsigned long n1 = 1; 37 unsigned long n2 = 0; 38 39 if (n == 0) { 40 return 0; 41 } 42 else if (n == 1) { 43 return 1; 44 } 45 for (int i=1; i<n; ++i) { 46 unsigned long current = n1 + n2; 47 n2 = n1; 48 n1 = current; 49 } 50 return n1; 51 } 52 53 // Converts Celcius to Farenheit 54 double c_to_f(double celcius) { 55 return ((celcius * 9) / 5) + 32.0; 56 } 57 58 // Converts Farenheit to Celcius 59 double f_to_c(double farenheit) { 60 return ((farenheit - 32.0) * 5) / 9; 61 } 62 }; 63
