1 // SPDX-License-Identifier: BSD-3-Clause
27 static void gen_exp_testvector(double a, double b, double *r, int32_t *b_i);
29 /* testvector in Q4.28, -5 to +5 */
33  *		 double *r
37 static void gen_exp_testvector(double a, double b, double *r, int32_t *b_i)  in gen_exp_testvector()  argument
42 	*r = a + rand() % (int32_t)(b - a + 1);  in gen_exp_testvector()
43 	a2 = *r * 268435456;  in gen_exp_testvector()
49 		*b_i = (a2 >= -2147483648LL) ? a2 : INT32_MIN;  in gen_exp_testvector()
62 	double a_tmp = -5.0123456789;  in test_math_arithmetic_exponential_fixed()
64 	double r;  in test_math_arithmetic_exponential_fixed()  local
69 		gen_exp_testvector(a_tmp, b_tmp, &r, &b_i);  in test_math_arithmetic_exponential_fixed()
72 		max_ulp = fabs(exp(a_i) - (double)accum / (1 << 23)) / ULP_SCALE;  in test_math_arithmetic_exponential_fixed()