#include "libm.h"
-static volatile float
+static const volatile float
tiny = 1.0e-30;
static const float
-zero = 0.0,
pi_o_4 = 7.8539818525e-01, /* 0x3f490fdb */
pi_o_2 = 1.5707963705e+00, /* 0x3fc90fdb */
pi = 3.1415927410e+00; /* 0x40490fdb */
-static volatile float
+static const volatile float
pi_lo = -8.7422776573e-08; /* 0xb3bbbd2e */
float atan2f(float y, float x)
}
} else {
switch (m) {
- case 0: return zero; /* atan(+...,+INF) */
- case 1: return -zero; /* atan(-...,+INF) */
+ case 0: return 0.0f; /* atan(+...,+INF) */
+ case 1: return -0.0f; /* atan(-...,+INF) */
case 2: return pi+tiny; /* atan(+...,-INF) */
case 3: return -pi-tiny; /* atan(-...,-INF) */
}