Programming Fundamentals/Arrays/C
arrays.c
[edit | edit source]// This program uses arrays to display temperature conversion tables // and temperature as an array subscript to find a given conversion. // // References // https://www.mathsisfun.com/temperature-conversion.html // https://en.wikibooks.org/wiki/C_Programming #include "stdio.h" void build_c(double c[], int size); void build_f(double f[], int size); void display_array(char *name, double array[], int size); void find_temperature(double c[], int c_size, double f[], int f_size); int minimum(int value1, int value2); int main() { double c[101]; double f[213]; build_c(c, sizeof(c) / sizeof(double)); build_f(f, sizeof(f) / sizeof(double)); display_array("C", c, sizeof(c) / sizeof(double)); display_array("F", f, sizeof(f) / sizeof(double)); find_temperature(c, sizeof(c) / sizeof(double), f, sizeof(f) / sizeof(double)); return 0; } void build_c(double c[], int size) { int index; double value; for (index = 0; index <= size - 1; index += 1) { value = (double) index * 9 / 5 + 32; c[index] = value; } } void build_f(double f[], int size) { int index; double value; for (index = 0; index <= size - 1; index += 1) { value = (double) (index - 32) * 5 / 9; f[index] = value; } } void display_array(char *name, double array[], int size) { int index; for (index = 0; index <= size - 1; index += 1) { printf("%s[%d] = %lf\n", name, index, array[index]); } } void find_temperature(double c[], int c_size, double f[], int f_size) { int temp; int size; size = minimum(c_size, f_size); do { printf("Enter a temperature between 0 and %d:\n", size - 1); scanf("%d", &temp); } while (temp < 0 || temp > size - 1); printf("%d° Celsius is %lf° Fahrenheit\n", temp, c[temp]); printf("%d° Fahrenheit is %lf° Celsius\n", temp, f[temp]); } int minimum(int value1, int value2) { int result; if (value1 < value2) { result = value1; } else { result = value2; } return result; } Try It
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