Revert addition of new y variable before return

Author: musm

src/sincosint.jl

@@ -18,7 +18,7 @@ using Base.Math.@horner
 function sinint(x::Float64)
     t = x*x
     if t ≤ 36.0
-        y = (x * @horner(t, 1.00000000000000000000E0,
+        return x * @horner(t, 1.00000000000000000000E0,
                              -0.44663998931312457298E-1,
                               0.11209146443112369449E-2,
                              -0.13276124407928422367E-4,
@@ -33,11 +33,10 @@ function sinint(x::Float64)
                               0.54747121846510390750E-9,
                               0.10378561511331814674E-11,
                               0.13754880327250272679E-14,
-                              0.10223981202236205703E-17))
-        return y
+                              0.10223981202236205703E-17)
     elseif t ≤ 144.0
         invt = inv(t)
-        y = (copysign(π/2, x) - cos(x) *
+        return copysign(π/2, x) - cos(x) *
                                          @horner(invt, 0.99999999962173909991E0,
                                                        0.36451060338631902917E3,
                                                        0.44218548041288440874E5,
@@ -71,11 +70,10 @@ function sinint(x::Float64)
                                                        0.62273134702439012114E10,
                                                        0.54570971054996441467E11,
                                                        0.18241750166645704670E12,
-                                                       0.15407148148861454434E12))
-        return y
+                                                       0.15407148148861454434E12)
     elseif t < Inf
         invt = inv(t)
-        y = (copysign(π/2, x) - cos(x) / x * (1.0 -
+        return copysign(π/2, x) - cos(x) / x * (1.0 -
                                                 @horner(invt, 0.19999999999999978257E1,
                                                               0.22206119380434958727E4,
                                                               0.84749007623988236808E6,
@@ -109,8 +107,7 @@ function sinint(x::Float64)
                                                               0.26028585666152144496E13,
                                                               0.85134283716950697226E14,
                                                               0.11304079361627952930E16,
-                                                              0.42519841479489798424E16)*invt))
-        return y
+                                                              0.42519841479489798424E16)*invt)
     elseif isnan(x)
         return NaN
     else
@@ -125,7 +122,7 @@ function cosint(x::Float64)
     if x < 0.0
         throw(DomainErrorNoArgs)
     elseif x ≤ 3.0
-        y = (log(x/r0) + ((x - r01) - r02) * (x + r0) *
+        return log(x/r0) + ((x - r01) - r02) * (x + r0) *
                                        @horner(t, -0.24607411378767540707E0,
                                                    0.72113492241301534559E-2,
                                                   -0.11867127836204767056E-3,
@@ -137,10 +134,9 @@ function cosint(x::Float64)
                                                    0.78168450570724148921E-4,
                                                    0.29959200177005821677E-6,
                                                    0.73191677761328838216E-9,
-                                                   0.94351174530907529061E-12))
-        return y
+                                                   0.94351174530907529061E-12)
     elseif x ≤ 6.0
-        y = (log(x/r1) + ((x - r11) - r12) * (x + r1) *
+        return log(x/r1) + ((x - r11) - r12) * (x + r1) *
                                        @horner(t, -0.15684781827145408780E0,
                                                    0.66253165609605468916E-2,
                                                   -0.12822297297864512864E-3,
@@ -155,11 +151,10 @@ function cosint(x::Float64)
                                                    0.13544922659627723233E-6,
                                                    0.27715365686570002081E-9,
                                                    0.37718676301688932926E-12,
-                                                   0.27706844497155995398E-15))
-        return y
+                                                   0.27706844497155995398E-15)
     elseif x ≤ 12.0
         invt = inv(t)
-        y = (sin(x) * @horner(invt, 0.99999999962173909991E0,
+        return sin(x) * @horner(invt, 0.99999999962173909991E0,
                                       0.36451060338631902917E3,
                                       0.44218548041288440874E5,
                                       0.22467569405961151887E7,
@@ -192,11 +187,10 @@ function cosint(x::Float64)
                                       0.62273134702439012114E10,
                                       0.54570971054996441467E11,
                                       0.18241750166645704670E12,
-                                      0.15407148148861454434E12))
-        return y
+                                      0.15407148148861454434E12)
     elseif x < Inf
         invt = inv(t)
-        y = (sin(x)/x * (1.0 - @horner(invt, 0.19999999999999978257E1,
+        return sin(x)/x * (1.0 - @horner(invt, 0.19999999999999978257E1,
                                                0.22206119380434958727E4,
                                                0.84749007623988236808E6,
                                                0.13959267954823943232E9,
@@ -229,8 +223,7 @@ function cosint(x::Float64)
                                                0.26028585666152144496E13,
                                                0.85134283716950697226E14,
                                                0.11304079361627952930E16,
-                                               0.42519841479489798424E16)*invt))
-        return y
+                                               0.42519841479489798424E16)*invt)
     elseif isnan(x)
         return NaN
     else