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Annotation of coherent/b/lib/libm/acos.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Compute the inverse cosine function.
                      3:  */
                      4: #include <math.h>
                      5: 
                      6: #if    EMU87
                      7: #include "emumath.h"
                      8: #endif
                      9: 
                     10: double
                     11: acos(x)
                     12: double x;
                     13: {
                     14:        if (x<-1.0 || x>1.0) {
                     15:                errno = EDOM;
                     16:                return (0.0);
                     17:        }
                     18:        return (PI/2.0 - asin(x));
                     19: }

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