math cleanup: use 1.0f instead of (float)1.0

[musl] / src / math / erff.c

diff --git a/src/math/erff.c b/src/math/erff.c
index e4e353d..eef4851 100644 (file)
--- a/src/math/erff.c
+++ b/src/math/erff.c
@@ -106,7 +106,7 @@ float erff(float x)
                if (ix < 0x31800000) {  /* |x| < 2**-28 */
                        if (ix < 0x04000000)
                                /*avoid underflow */
                if (ix < 0x31800000) {  /* |x| < 2**-28 */
                        if (ix < 0x04000000)
                                /*avoid underflow */

-                               return (float)0.125*((float)8.0*x+efx8*x);
+                               return 0.125f*(8.0f*x + efx8*x);

                        return x + efx*x;
                }
                z = x*x;
                        return x + efx*x;
                }
                z = x*x;


@@ -143,7 +143,7 @@ float erff(float x)
        }
        GET_FLOAT_WORD(ix, x);
        SET_FLOAT_WORD(z, ix&0xfffff000);
        }
        GET_FLOAT_WORD(ix, x);
        SET_FLOAT_WORD(z, ix&0xfffff000);

-       r = expf(-z*z - (float)0.5625) * expf((z-x)*(z+x) + R/S);
+       r = expf(-z*z - 0.5625f) * expf((z-x)*(z+x) + R/S);

        if (hx >= 0)
                return one - r/x;
        return  r/x - one;
        if (hx >= 0)
                return one - r/x;
        return  r/x - one;


@@ -206,7 +206,7 @@ float erfcf(float x)
                }
                GET_FLOAT_WORD(ix, x);
                SET_FLOAT_WORD(z, ix&0xfffff000);
                }
                GET_FLOAT_WORD(ix, x);
                SET_FLOAT_WORD(z, ix&0xfffff000);

-               r = expf(-z*z - (float)0.5625) * expf((z-x)*(z+x) + R/S);
+               r = expf(-z*z - 0.5625f) * expf((z-x)*(z+x) + R/S);

                if (hx > 0)
                        return r/x;
                return two - r/x;
                if (hx > 0)
                        return r/x;
                return two - r/x;