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