code cleanup of named constants

zero, one, two, half are replaced by const literals
The policy was to use the f suffix for float consts (1.0f),
but don't use suffix for long double consts (these consts
can be exactly represented as double).

1 files changed, 3 insertions, 4 deletions

diff --git a/src/math/acoshf.c b/src/math/acoshf.c
index 57ce5cb8..0f7aae2a 100644
--- a/src/math/acoshf.c
+++ b/src/math/acoshf.c
@@ -16,7 +16,6 @@
 #include "libm.h"
 
 static const float
-one = 1.0,
 ln2 = 6.9314718246e-01; /* 0x3f317218 */
 
 float acoshf(float x)
@@ -32,12 +31,12 @@ float acoshf(float x)
 			return x + x;
 		return logf(x) + ln2;  /* acosh(huge)=log(2x) */
 	} else if (hx == 0x3f800000) {
-		return 0.0;  /* acosh(1) = 0 */
+		return 0.0f;  /* acosh(1) = 0 */
 	} else if (hx > 0x40000000) {  /* 2**28 > x > 2 */
 		t = x*x;
-		return logf(2.0f*x - one/(x+sqrtf(t-one)));
+		return logf(2.0f*x - 1.0f/(x+sqrtf(t-1.0f)));
 	} else {                /* 1 < x < 2 */
-		t = x-one;
+		t = x-1.0f;
 		return log1pf(t + sqrtf(2.0f*t+t*t));
 	}
 }