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# define TGSOURCE "log10.c"
#include <math.h>
#include "nonstd/tgmath.h"
#include "errno.h"

/** base-10 logarithm **/
TYPE TGFN(log10)(TYPE x)
{
	if (x < 0) {
		errno = EDOM; /* ARGUMENT(x) is negative */
		return TGHUGE;
	}

        if (x == 0) {
                errno = ERANGE; /* ARGUMENT(x) is LITERAL(0) */
                /* RETURN_FAILURE(CONSTANT(HUGE_VAL), A range error occurred); */
                return TGHUGE;
        }

	/* RETURN_SUCCESS(the base-10 logarithm of ARGUMENT(x)); */
	return x;
}

/***
compute the base-ten logarithm of ARGUMENT(x).
***/

/*
IMPLEMENTATION(The value returned on a domain error, CONSTANT(HUGE_VAL))
LINK(m)
*/
/*
STDC(1)
*/