33 lines
606 B
C
33 lines
606 B
C
#include <stdio.h>
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#include <math.h>
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void cartesian_to_polar(float x, float y, float *r, float *theta) {
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*r = sqrtf(x*x + y*y);
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*theta = y/x;
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}
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int main() {
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int rc;
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float x, y, r, theta;
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printf("x: ");
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rc = scanf("%f", &x);
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// check that scanf was successful by checking if it returned 1 (1 successfully scanned item)
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if (rc != 1) {
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printf("Please enter a real number\n");
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return 1;
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}
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printf("y: ");
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rc = scanf("%f", &y);
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if (rc != 1) {
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printf("Please enter a real number\n");
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return 1;
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}
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cartesian_to_polar(x, y, &r, &theta);
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printf("r=%f theta=%f\n", r, theta);
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return 0;
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}
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