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36 lines
927 B
C
36 lines
927 B
C
/* test cases for floating point comparison transformations
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* compile with -DFLOAT_TYPE=float
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* or -DFLOAT_TYPE=double
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* or -DFLOAT_TYPE="long double"
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*/
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#include <assert.h>
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#define _GNU_SOURCE
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#include <math.h> /* for NaNs and infinity values */
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int main() {
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volatile FLOAT_TYPE a, b;
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/* negative zero */
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a = 1.0 / -(1.0 / 0.0); /* negative 0 */
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b = 0.0; /* positive 0 */
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assert(!(a < b));
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assert((a <= b));
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assert(!(a > b));
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assert((a >= b));
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assert(!(a != b));
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assert((a == b));
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a = 1.0 / -(1.0 / 0.0); /* negative 0 */
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b = 1.0 / -(1.0 / 0.0); /* negative 0 */
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assert(!(a < b));
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assert((a <= b));
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assert(!(a > b));
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assert((a >= b));
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assert(!(a != b));
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assert((a == b));
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}
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