math: use double_t for temporaries to avoid stores on i386

[musl] / src / math / erf.c

diff --git a/src/math/erf.c b/src/math/erf.c
index c0fc41d..2f30a29 100644 (file)
--- a/src/math/erf.c
+++ b/src/math/erf.c
@@ -176,7 +176,7 @@ sb7  = -2.24409524465858183362e+01; /* 0xC03670E2, 0x42712D62 */
 
 static double erfc1(double x)
 {
 
 static double erfc1(double x)
 {

-       double s,P,Q;
+       double_t s,P,Q;

 
        s = fabs(x) - 1;
        P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6)))));
 
        s = fabs(x) - 1;
        P = pa0+s*(pa1+s*(pa2+s*(pa3+s*(pa4+s*(pa5+s*pa6)))));


@@ -186,7 +186,8 @@ static double erfc1(double x)
 
 static double erfc2(uint32_t ix, double x)
 {
 
 static double erfc2(uint32_t ix, double x)
 {

-       double s,z,R,S;
+       double_t s,R,S;
+       double z;

 
        if (ix < 0x3ff40000)  /* |x| < 1.25 */
                return erfc1(x);
 
        if (ix < 0x3ff40000)  /* |x| < 1.25 */
                return erfc1(x);