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

1.1       root        1: /*
                      2:  * Hyperbolic cosine.
                      3:  */
                      4: #include <math.h>
                      5: 
                      6: #if    EMU87
                      7: #include "emumath.h"
                      8: #endif
                      9: 
                     10: double
                     11: cosh(x)
                     12: double x;
                     13: {
                     14:        double r;
                     15:        register int e;
                     16: 
                     17:        e = errno;
                     18:        r = exp(x);
                     19:        errno = e;
                     20:        r = (r+1.0/r) / 2.0;
                     21:        return (r);
                     22: }

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