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author | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 16:00:48 -0400 |
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committer | Adam Carpenter <gitlab@53hor.net> | 2019-07-09 16:00:48 -0400 |
commit | 39c0cbcc70aff47e17107826aa76cb525c83b122 (patch) | |
tree | df483af220a11aab49e0e3a76eea54f60efbd424 /ch1/ctof.c | |
parent | 583fc81152e120ec5873f8057f11a894bb8b0a91 (diff) | |
download | learning-c-39c0cbcc70aff47e17107826aa76cb525c83b122.tar.xz learning-c-39c0cbcc70aff47e17107826aa76cb525c83b122.zip |
ch2
Diffstat (limited to 'ch1/ctof.c')
-rw-r--r-- | ch1/ctof.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/ch1/ctof.c b/ch1/ctof.c new file mode 100644 index 0000000..b95e20a --- /dev/null +++ b/ch1/ctof.c @@ -0,0 +1,36 @@ +#include<stdio.h> + +#define LOWER 0; +#define UPPER 300; +#define STEP 20; + +float ctof(int c); + +/* + * Print Celcius-Fahrenheit table for celcius = 0, 20, ... 300. + */ +main() { + float fahr, celcius; + int lower, upper, step; + + lower = LOWER; // lower limit of temperature table + upper = UPPER; // upper limit of temperature table + step = STEP; // step size + + celcius = lower; + + printf("%3s %6s\n", "C", "F"); + + while (celcius <= upper) { + fahr = ctof(celcius); + printf("%3.0f %6.1f\n", celcius, fahr); + celcius = celcius + step; + } +} + +/* + * Convert Celcius to Fahrenheit + */ +float ctof(int celcius) { + return (9.0 / 5.0) * celcius + 32.0; +} |