1 files changed, 26 insertions, 26 deletions

diff --git a/src/projections/putp2.cpp b/src/projections/putp2.cpp
index a11e479e..5ff44000 100644
--- a/src/projections/putp2.cpp
+++ b/src/projections/putp2.cpp
@@ -17,39 +17,39 @@ PROJ_HEAD(putp2, "Putnins P2") "\n\tPCyl, Sph";
 
 static PJ_XY putp2_s_forward (PJ_LP lp, PJ *P) {           /* Spheroidal, forward */
     PJ_XY xy = {0.0,0.0};
-	double p, c, s, V;
-	int i;
-	(void) P;
-
-	p = C_p * sin(lp.phi);
-	s = lp.phi * lp.phi;
-	lp.phi *= 0.615709 + s * ( 0.00909953 + s * 0.0046292 );
-	for (i = NITER; i ; --i) {
-		c = cos(lp.phi);
-		s = sin(lp.phi);
-		lp.phi -= V = (lp.phi + s * (c - 1.) - p) /
-			(1. + c * (c - 1.) - s * s);
-		if (fabs(V) < EPS)
-			break;
-	}
-	if (!i)
-		lp.phi = lp.phi < 0 ? - PI_DIV_3 : PI_DIV_3;
-	xy.x = C_x * lp.lam * (cos(lp.phi) - 0.5);
-	xy.y = C_y * sin(lp.phi);
-
-	return xy;
+    int i;
+    (void) P;
+
+    const double p = C_p * sin(lp.phi);
+    const double phi_pow_2 = lp.phi * lp.phi;
+    lp.phi *= 0.615709 + phi_pow_2 * ( 0.00909953 + phi_pow_2 * 0.0046292 );
+    for (i = NITER; i ; --i) {
+        const double c = cos(lp.phi);
+        const double s = sin(lp.phi);
+        const double V = (lp.phi + s * (c - 1.) - p) /
+                            (1. + c * (c - 1.) - s * s);
+        lp.phi -= V;
+        if (fabs(V) < EPS)
+                break;
+    }
+    if (!i)
+        lp.phi = lp.phi < 0 ? - PI_DIV_3 : PI_DIV_3;
+    xy.x = C_x * lp.lam * (cos(lp.phi) - 0.5);
+    xy.y = C_y * sin(lp.phi);
+
+    return xy;
 }
 
 
 static PJ_LP putp2_s_inverse (PJ_XY xy, PJ *P) {           /* Spheroidal, inverse */
     PJ_LP lp = {0.0,0.0};
-	double c;
 
-	lp.phi = aasin(P->ctx,xy.y / C_y);
-	lp.lam = xy.x / (C_x * ((c = cos(lp.phi)) - 0.5));
-	lp.phi = aasin(P->ctx,(lp.phi + sin(lp.phi) * (c - 1.)) / C_p);
+    lp.phi = aasin(P->ctx,xy.y / C_y);
+    const double c = cos(lp.phi);
+    lp.lam = xy.x / (C_x * (c - 0.5));
+    lp.phi = aasin(P->ctx,(lp.phi + sin(lp.phi) * (c - 1.)) / C_p);
 
-	return lp;
+    return lp;
 }