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Fahrenheit-Celsius Table; floating-point version
Code
#include <u.h>
#include <libc.h>
/* print Fahrenheit-Celsius table
for fahr = 0, 20, ..., 300; floating-point version */
void
main()
{
float fahr, celsius;
int lower, upper, step;
lower = 0; /* lower limit of temperature table */
upper = 300; /* upper limit */
step = 20; /* step size */
fahr = lower;
while(fahr <= upper) {
celsius = (5.0/9.0) * (fahr-32.0);
print("%3.0f %6.1f\n", fahr, celsius);
fahr = fahr + step;
}
}
Output
$ 9c temp_float.c
$ 9l temp_float.o -o temp_float
$ ./temp_float
0 -17.8
20 -6.7
40 4.4
60 15.6
80 26.7
100 37.8
120 48.9
140 60.0
160 71.1
180 82.2
200 93.3
220 104.4
240 115.6
260 126.7
280 137.8
300 148.9
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