finished f32

f32.c

@@ -2,8 +2,36 @@
 // I pledge the COMP 211 honor code.
 
 #include <math.h>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
-int main() {
+int main(int argc, char* argv[]) {
-    return EXIT_SUCCESS;
+    // convert a IEEE 754 single precision floating point number to a 32-bit
+    // integer
+    char input[33];
+    char exponent[9];
+    char mantissa[24];
+
+    strncpy(input, argv[1], 32);
+    input[32] = '\0';
+
+    strncpy(exponent, input + 1, 8);
+    strncpy(mantissa, input + 9, 23);
+
+    int sign = (input[0] == '1') ? -1 : 1;
+
+    long int exp = strtol(exponent, NULL, 2) - 127;
+
+    float frac = 1.0;
+
+    for (int i = 0; i < 23; i++) {
+        if (mantissa[i] == '1') {
+            frac += pow(2, -i - 1);
+        }
+    }
+
+    float result = sign * frac * pow(2, exp);
+
+    printf("%.4f\n", result);
 }