[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/test/math/gamma.c b/ap/build/uClibc/test/math/gamma.c
new file mode 100644
index 0000000..69c10af
--- /dev/null
+++ b/ap/build/uClibc/test/math/gamma.c
@@ -0,0 +1,73 @@
+#include <math.h>
+#include <float.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#define check_d1(func, param, expected) \
+do { \
+ int err; hex_union ur; hex_union up; \
+ double result = func(param); up.f = param; ur.f = result; \
+ errors += (err = (result != (expected))); \
+ err \
+ ? printf("FAIL: %s(%g/"HEXFMT")=%g/"HEXFMT" (expected %g)\n", \
+ #func, (double)(param), (long long)up.hex, result, (long long)ur.hex, (double)(expected)) \
+ : printf("PASS: %s(%g)=%g\n", #func, (double)(param), result); \
+} while (0)
+
+#define HEXFMT "%08llx"
+typedef union {
+ double f;
+ uint64_t hex;
+} hex_union;
+double result;
+
+#define M_2_SQRT_PIl 3.5449077018110320545963349666822903L /* 2 sqrt (M_PIl) */
+#define M_SQRT_PIl 1.7724538509055160272981674833411451L /* sqrt (M_PIl) */
+
+double zero = 0.0;
+double minus_zero = 0.0;
+double nan_value = 0.0;
+int errors = 0;
+
+int main(void)
+{
+ nan_value /= nan_value;
+ minus_zero = copysign(zero, -1.0);
+
+ //check_d1(tgamma, HUGE_VAL, NAN);
+ //check_d1(tgamma, negative_integer, NAN);
+ check_d1(tgamma, 0.0, HUGE_VAL); /* pole */
+ check_d1(tgamma, minus_zero, -HUGE_VAL); /* pole */
+ check_d1(tgamma, DBL_MAX/2, HUGE_VAL); /* overflow to inf */
+ check_d1(tgamma, DBL_MAX, HUGE_VAL); /* overflow to inf */
+ check_d1(tgamma, HUGE_VAL, HUGE_VAL); /* overflow to inf */
+ check_d1(tgamma, 7, 2*3*4*5*6); /* normal value */
+ check_d1(tgamma, -0.5, -M_2_SQRT_PIl); /* normal value (testing negative points) */
+
+ check_d1(lgamma, -HUGE_VAL, HUGE_VAL);
+ //check_d1(lgamma, HUGE_VAL, NAN);
+ check_d1(lgamma, 0.0, HUGE_VAL); /* pole */
+ check_d1(lgamma, minus_zero, HUGE_VAL); /* pole */
+ check_d1(lgamma, 1.0, 0.0);
+ check_d1(lgamma, 2.0, 0.0);
+ check_d1(lgamma, DBL_MAX/2, HUGE_VAL); /* overflow to inf */
+ check_d1(lgamma, DBL_MAX, HUGE_VAL); /* overflow to inf */
+ check_d1(lgamma, HUGE_VAL, HUGE_VAL); /* overflow to inf */
+ check_d1(lgamma, 7, log(2*3*4*5*6)); /* normal value */
+
+ /* In glibc, gamma == lgamma. (In BSD, it's == tgamma */
+ check_d1(gamma, -HUGE_VAL, HUGE_VAL);
+ //check_d1(gamma, HUGE_VAL, NAN);
+ check_d1(gamma, 0.0, HUGE_VAL); /* pole */
+ check_d1(gamma, minus_zero, HUGE_VAL); /* pole */
+ check_d1(gamma, 1.0, 0.0);
+ check_d1(gamma, 2.0, 0.0);
+ check_d1(gamma, DBL_MAX/2, HUGE_VAL); /* overflow to inf */
+ check_d1(gamma, DBL_MAX, HUGE_VAL); /* overflow to inf */
+ check_d1(gamma, HUGE_VAL, HUGE_VAL); /* overflow to inf */
+ check_d1(gamma, 7, log(2*3*4*5*6)); /* normal value */
+
+ printf("Errors: %d\n", errors);
+ return errors;
+}