diff --git a/Objects/complexobject.c b/Objects/complexobject.c
index f0f2541..8bba241 100644
--- a/Objects/complexobject.c
+++ b/Objects/complexobject.c
@@ -354,7 +354,7 @@
 
 
 static PyObject *
-complex_format(PyComplexObject *v, char format_code)
+complex_format(PyComplexObject *v, int precision, char format_code)
 {
 	PyObject *result = NULL;
 	Py_ssize_t len;
@@ -374,7 +374,7 @@
 	if (v->cval.real == 0. && copysign(1.0, v->cval.real)==1.0) {
 		re = "";
 		im = PyOS_double_to_string(v->cval.imag, format_code,
-					   0, 0, NULL);
+					   precision, 0, NULL);
 		if (!im) {
 			PyErr_NoMemory();
 			goto done;
@@ -382,7 +382,7 @@
 	} else {
 		/* Format imaginary part with sign, real part without */
 		pre = PyOS_double_to_string(v->cval.real, format_code,
-					    0, 0, NULL);
+					    precision, 0, NULL);
 		if (!pre) {
 			PyErr_NoMemory();
 			goto done;
@@ -390,7 +390,7 @@
 		re = pre;
 
 		im = PyOS_double_to_string(v->cval.imag, format_code,
-					   0, Py_DTSF_SIGN, NULL);
+					   precision, Py_DTSF_SIGN, NULL);
 		if (!im) {
 			PyErr_NoMemory();
 			goto done;
@@ -421,7 +421,10 @@
 {
 	PyObject *formatv;
 	char *buf;
-	formatv = complex_format(v, (flags & Py_PRINT_RAW) ? 's' : 'r');
+        if (flags & Py_PRINT_RAW)
+            formatv = complex_format(v, PyFloat_STR_PRECISION, 'g');
+        else
+            formatv = complex_format(v, 0, 'r');
 	if (formatv == NULL)
 		return -1;
 	buf = PyString_AS_STRING(formatv);
@@ -435,13 +438,13 @@
 static PyObject *
 complex_repr(PyComplexObject *v)
 {
-	return complex_format(v, 'r');
+    return complex_format(v, 0, 'r');
 }
 
 static PyObject *
 complex_str(PyComplexObject *v)
 {
-	return complex_format(v, 's');
+    return complex_format(v, PyFloat_STR_PRECISION, 'g');
 }
 
 static long
diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 9a0dbb3..6b9a310 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -352,7 +352,7 @@
 void
 PyFloat_AsString(char *buf, PyFloatObject *v)
 {
-	_PyOS_double_to_string(buf, 100, v->ob_fval, 's', 0,
+	_PyOS_double_to_string(buf, 100, v->ob_fval, 'g', PyFloat_STR_PRECISION,
 			       Py_DTSF_ADD_DOT_0, NULL);
 }
 
@@ -368,9 +368,13 @@
 float_print(PyFloatObject *v, FILE *fp, int flags)
 {
 	char buf[100];
-	_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
-			       (flags & Py_PRINT_RAW) ? 's' : 'r',
-			       0, Py_DTSF_ADD_DOT_0, NULL);
+        if (flags & Py_PRINT_RAW)
+            _PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
+                                   'g', PyFloat_STR_PRECISION,
+                                   Py_DTSF_ADD_DOT_0, NULL);
+        else
+            _PyOS_double_to_string(buf, sizeof(buf), v->ob_fval,
+                                   'r', 0, Py_DTSF_ADD_DOT_0, NULL);
 	Py_BEGIN_ALLOW_THREADS
 	fputs(buf, fp);
 	Py_END_ALLOW_THREADS
@@ -390,7 +394,8 @@
 float_str(PyFloatObject *v)
 {
 	char buf[100];
-	_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval, 's', 0,
+	_PyOS_double_to_string(buf, sizeof(buf), v->ob_fval, 'g',
+                               PyFloat_STR_PRECISION,
 			       Py_DTSF_ADD_DOT_0, NULL);
 	return PyString_FromString(buf);
 }
diff --git a/Objects/stringlib/formatter.h b/Objects/stringlib/formatter.h
index 1f3c535..3b22181 100644
--- a/Objects/stringlib/formatter.h
+++ b/Objects/stringlib/formatter.h
@@ -881,6 +881,7 @@
     int has_decimal;
     double val;
     Py_ssize_t precision = format->precision;
+    Py_ssize_t default_precision = 6;
     STRINGLIB_CHAR type = format->type;
     int add_pct = 0;
     STRINGLIB_CHAR *p;
@@ -907,9 +908,10 @@
     }
 
     if (type == '\0') {
-        /* Omitted type specifier. This is like 'g' but with at least
-           one digit after the decimal point. */
+        /* Omitted type specifier. This is like 'g' but with at least one
+           digit after the decimal point, and different default precision.*/
         type = 'g';
+        default_precision = PyFloat_STR_PRECISION;
         flags |= Py_DTSF_ADD_DOT_0;
     }
 
@@ -933,7 +935,7 @@
     }
 
     if (precision < 0)
-        precision = 6;
+        precision = default_precision;
 
 #if PY_VERSION_HEX < 0x03010000
     /* 3.1 no longer converts large 'f' to 'g'. */
@@ -1039,6 +1041,7 @@
     int re_has_decimal;
     int im_has_decimal;
     Py_ssize_t precision = format->precision;
+    Py_ssize_t default_precision = 6;
     STRINGLIB_CHAR type = format->type;
     STRINGLIB_CHAR *p_re;
     STRINGLIB_CHAR *p_im;
@@ -1100,6 +1103,7 @@
     if (type == '\0') {
         /* Omitted type specifier. Should be like str(self). */
         type = 'g';
+        default_precision = PyFloat_STR_PRECISION;
         add_parens = 1;
         if (re == 0.0)
             skip_re = 1;
@@ -1115,7 +1119,7 @@
         type = 'f';
 
     if (precision < 0)
-        precision = 6;
+        precision = default_precision;
 
     /* Cast "type", because if we're in unicode we need to pass a
        8-bit char. This is safe, because we've restricted what "type"