X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fmath%2Fsqrt.c;h=9143170b1a85d882a0e1b4e71258f7ae9c759d0a;hp=3c6c1266f020b612c0e0c30efbedb2c1c5600ad1;hb=0a5395faab237ba9008352b0f4bee9659bbd3d5f;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec

diff --git a/functions/math/sqrt.c b/functions/math/sqrt.c
index 3c6c126..9143170 100644
--- a/functions/math/sqrt.c
+++ b/functions/math/sqrt.c
@@ -15,5 +15,22 @@ long double sqrt( long double x ) { /* TODO */ };
 // Standard C
 
 double sqrt( double x ) { /* TODO */ };
+
+/* Therx code
+{
+    double i = x / 2;
+    if ( x < 0 )
+    {
+        return 0;
+    }
+    // (15 DP) HOW GET MORE?
+    while ( ( fabs( i - ( x / i ) ) / i ) > 0.000000000000001)
+    {
+        i = ( i + ( x / i ) ) / 2;
+    }
+    return i;
+}
+*/
+
 float sqrtf( float x ) { /* TODO */ };
 long double sqrtl( long double x ) { /* TODO */ };