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int ftoi(float f) {
return f;
}
int dtoi(double d) {
return d;
}
float itof(int i) {
return i;
}
double itod(int i) {
return i;
}
float f0, f1;
double d0, d1;
void testParseConsts() {
printf("Constants: %g %g %g %g %g %g %g %g %g\n", 0e1, 0E1, 0.f, .01f,
.01e0f, 1.0e-1, 1.0e1, 1.0e+1,
.1f);
}
void testVars(float arg0, float arg1, double arg2, double arg3) {
float local0, local1;
double local2, local3;
f0 = arg0;
f1 = arg1;
d0 = arg2;
d1 = arg3;
local0 = arg0;
local1 = arg1;
local2 = arg2;
local3 = arg3;
printf("globals: %g %g %g %g\n", f0, f1, d0, d1);
printf("args: %g %g %g %g\n", arg0, arg1, arg2, arg3);
printf("locals: %g %g %g %g\n", local0, local1, local2, local3);
printf("cast rval: %g %g\n", * (float*) & f1, * (double*) & d1);
* (float*) & f0 = 1.1f;
* (double*) & d0 = 3.3;
printf("cast lval: %g %g %g %g\n", f0, f1, d0, d1);
}
int main() {
testParseConsts();
printf("int: %d float: %g double: %g\n", 1, 2.2f, 3.3);
printf(" ftoi(1.4f)=%d\n", ftoi(1.4f));
printf(" dtoi(2.4)=%d\n", dtoi(2.4));
printf(" itof(3)=%g\n", itof(3));
printf(" itod(4)=%g\n", itod(4));
testVars(1.0f, 2.0f, 3.0, 4.0);
return 0;
}
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