Improve gen-libm-test.pl LIT() application

When bootstrapping float128, this exposed a number of areas where
the L suffix is incorrectly applied to simple expressions when it
should be applied to each constant in the expression.

In order to stave off more macros in libm-test.inc, apply_lit is
made slightly more intelligent.  It will now split expressions
based on space characters, and attempt to apply LIT() to each
token.

Having done this, there are numerous spacing issues within
libm-test.inc which have been fixed.

The above is problematic when the L real suffix is not the most
expressive modifier, and the compiler complains (i.e ppc64) or
silently truncates a value (i.e ppc64).

2 files changed, 71 insertions, 56 deletions

diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl
index aa66e7676f..577964c3c6 100755
--- a/math/gen-libm-test.pl
+++ b/math/gen-libm-test.pl
@@ -163,7 +163,7 @@ sub show_exceptions {
 
 # Apply the LIT(x) macro to a literal floating point constant
 # and strip any existing suffix.
-sub apply_lit {
+sub _apply_lit {
   my ($lit) = @_;
   my $exp_re = "([+-])?[[:digit:]]+";
   # Don't wrap something that does not look like a:
@@ -180,6 +180,21 @@ sub apply_lit {
   return "LIT (${lit})";
 }
 
+# Apply LIT macro to individual tokens within an expression.
+#
+# This function assumes the C expression follows GNU coding
+# standards.  Specifically, a space separates each lexical
+# token.  Otherwise, this post-processing may apply LIT
+# incorrectly, or around an entire expression.
+sub apply_lit {
+  my ($lit) = @_;
+  my @toks = split (/ /, $lit);
+  foreach (@toks) {
+    $_ = _apply_lit ($_);
+  }
+  return join (' ', @toks);
+}
+
 # Parse the arguments to TEST_x_y
 sub parse_args {
   my ($file, $descr, $args) = @_;
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 117057c315..e4fcb5a198 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -7214,7 +7214,7 @@ static const struct test_ff_f_data fdim_test_data[] =
 #endif
     TEST_ff_f (fdim, min_subnorm_value, min_subnorm_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -min_subnorm_value, -min_subnorm_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (fdim, min_subnorm_value, -min_subnorm_value, 2*min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (fdim, min_subnorm_value, -min_subnorm_value, 2 * min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, min_value, min_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, -min_value, -min_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_ff_f (fdim, max_value, max_value, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -7998,12 +7998,12 @@ static const struct test_f_f1_data frexp_test_data[] =
 #endif
 
 #if MANT_DIG >= 106
-    TEST_fI_f1 (frexp, 1.0L-0x1p-106L, 1.0L-0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fI_f1 (frexp, 1.0L - 0x1p-106L, 1.0L - 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fI_f1 (frexp, 1.0L, 0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fI_f1 (frexp, 1.0L+0x1p-105L, 0.5L+0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fI_f1 (frexp, -1.0L+0x1p-106L, -1.0L+0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fI_f1 (frexp, 1.0L + 0x1p-105L, 0.5L + 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fI_f1 (frexp, -1.0L + 0x1p-106L, -1.0L + 0x1p-106L, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fI_f1 (frexp, -1.0L, -0.5L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fI_f1 (frexp, -1.0L-0x1p-105L, -0.5L-0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fI_f1 (frexp, -1.0L - 0x1p-105L, -0.5L - 0x1p-106L, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
   };
 
@@ -8975,7 +8975,7 @@ static const struct test_f_l_data lrint_test_data[] =
 
     /* Test boundary conditions.  */
     /* 0x1FFFFF */
-    TEST_f_l (lrint, 2097151.0,2097151LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_l (lrint, 2097151.0, 2097151LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* 0x800000 */
     TEST_f_l (lrint, 8388608.0, 8388608LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* 0x1000000 */
@@ -9212,7 +9212,7 @@ static const struct test_f_L_data llrint_test_data[] =
 
     /* Test boundary conditions.  */
     /* 0x1FFFFF */
-    TEST_f_L (llrint, 2097151.0,2097151LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_L (llrint, 2097151.0, 2097151LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* 0x800000 */
     TEST_f_L (llrint, 8388608.0, 8388608LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* 0x1000000 */
@@ -9713,8 +9713,8 @@ static const struct test_f_l_data lround_test_data[] =
      * numbers between +-(2^52+1 and 2^53-1) are affected since they have the
      * rightmost bit set.  */
     /* +-(2^52+1)  */
-    TEST_f_l (lround, 0x1.0000000000001p+52,4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_l (lround, -0x1.0000000000001p+52,-4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_l (lround, 0x1.0000000000001p+52, 4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_l (lround, -0x1.0000000000001p+52, -4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* +-(2^53-1): Input is the last (positive and negative) incrementally
      * representable whole-number in the 'double' range that might round
      * erroneously.  */
@@ -9733,8 +9733,8 @@ static const struct test_f_l_data lround_test_data[] =
     /* As above, on PowerPC an exponent of '23' is the largest incrementally
      * representable sequence of whole-numbers in the 'float' range.
      * Likewise, numbers between +-(2^23+1 and 2^24-1) are affected.  */
-    TEST_f_l (lround, 0x1.000002p+23,8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_l (lround, -0x1.000002p+23,-8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_l (lround, 0x1.000002p+23, 8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_l (lround, -0x1.000002p+23, -8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_f_l (lround, 0x1.fffffep+23, 16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_f_l (lround, -0x1.fffffep+23, -16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 
@@ -9986,8 +9986,8 @@ static const struct test_f_L_data llround_test_data[] =
      * numbers between +-(2^52+1 and 2^53-1) are affected since they have the
      * rightmost bit set.  */
     /* +-(2^52+1)  */
-    TEST_f_L (llround, 0x1.0000000000001p+52,4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_L (llround, -0x1.0000000000001p+52,-4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_L (llround, 0x1.0000000000001p+52, 4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_L (llround, -0x1.0000000000001p+52, -4503599627370497LL, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     /* +-(2^53-1): Input is the last (positive and negative) incrementally
      * representable whole-number in the 'double' range that might round
      * erroneously.  */
@@ -10005,8 +10005,8 @@ static const struct test_f_L_data llround_test_data[] =
     /* As above, on PowerPC an exponent of '23' is the largest incrementally
      * representable sequence of whole-numbers in the 'float' range.
      * Likewise, numbers between +-(2^23+1 and 2^24-1) are affected.  */
-    TEST_f_L (llround, 0x1.000002p+23,8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_L (llround, -0x1.000002p+23,-8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_L (llround, 0x1.000002p+23, 8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_L (llround, -0x1.000002p+23, -8388609, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_f_L (llround, 0x1.fffffep+23, 16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_f_L (llround, -0x1.fffffep+23, -16777215, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 
@@ -10372,12 +10372,12 @@ static const struct test_ff_f_data nextafter_test_data[] =
     TEST_ff_f (nextafter, -0x0.fffffffep-16383L, 0.0L, -0x0.fffffffdfffffffep-16383L, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_ERANGE),
 #endif
 #if TEST_COND_ibm128
-    TEST_ff_f (nextafter, 1.0L, -10.0L, 1.0L-0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (nextafter, 1.0L, 10.0L, 1.0L+0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (nextafter, 1.0L-0x1p-106L, 10.0L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (nextafter, -1.0L, -10.0L, -1.0L-0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (nextafter, -1.0L, 10.0L, -1.0L+0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_ff_f (nextafter, -1.0L+0x1p-106L, -10.0L, -1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, 1.0L, -10.0L, 1.0L - 0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, 1.0L, 10.0L, 1.0L + 0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, 1.0L - 0x1p-106L, 10.0L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, -1.0L, -10.0L, -1.0L - 0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, -1.0L, 10.0L, -1.0L + 0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_ff_f (nextafter, -1.0L + 0x1p-106L, -10.0L, -1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
 #if TEST_COND_binary128
     TEST_ff_f (nextafter, 1.0L, 10.0L, 0x1.0000000000000000000000000001p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -10427,9 +10427,9 @@ static const struct test_f_f_data nextup_test_data[] =
     TEST_f_f (nextup, -0x0.fffffffep-16383L, -0x0.fffffffdfffffffep-16383L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
 #if TEST_COND_ibm128
-    TEST_f_f (nextup, 1.0L, 1.0L+0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_f (nextup, -1.0L-0x1p-105L, -1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_f (nextup, -1.0L, -1.0L+0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextup, 1.0L, 1.0L + 0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextup, -1.0L - 0x1p-105L, -1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextup, -1.0L, -1.0L + 0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
 #if TEST_COND_binary128
     TEST_f_f (nextup, 1.0L, 0x1.0000000000000000000000000001p0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -10474,9 +10474,9 @@ static const struct test_f_f_data nextdown_test_data[] =
     TEST_f_f (nextdown, -0x0.fffffffdfffffffep-16383L, -0x0.fffffffep-16383L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
 #if TEST_COND_ibm128
-    TEST_f_f (nextdown, -1.0L, -1.0L-0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_f (nextdown, 1.0L+0x1p-105L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_f_f (nextdown, 1.0L, 1.0L-0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextdown, -1.0L, -1.0L - 0x1p-105L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextdown, 1.0L + 0x1p-105L, 1.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_f_f (nextdown, 1.0L, 1.0L - 0x1p-106L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 #endif
 #if TEST_COND_binary128
     TEST_f_f (nextdown, 1.0L, 0x1.ffffffffffffffffffffffffffffp-1L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -11748,27 +11748,27 @@ static const struct test_fi_f_data scalbn_test_data[] =
     TEST_fi_f (scalbn, -min_value * 0x0.ffffp0, 0, -min_value * 0x0.ffffp0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fi_f (scalbn, min_subnorm_value, 0, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fi_f (scalbn, -min_subnorm_value, 0, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fi_f (scalbn, min_subnorm_value, MANT_DIG-1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fi_f (scalbn, -min_subnorm_value, MANT_DIG-1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fi_f (scalbn, min_subnorm_value, MANT_DIG - 1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fi_f (scalbn, -min_subnorm_value, MANT_DIG - 1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 
-    TEST_fi_f (scalbn, min_value, -MANT_DIG+1, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fi_f (scalbn, -min_value, -MANT_DIG+1, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fi_f (scalbn, min_value, -MANT_DIG + 1, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fi_f (scalbn, -min_value, -MANT_DIG + 1, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fi_f (scalbn, min_value, -MANT_DIG, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
     TEST_fi_f (scalbn, -min_value, -MANT_DIG, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fi_f (scalbn, min_value, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fi_f (scalbn, -min_value, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fi_f (scalbn, min_value * 1.5, -MANT_DIG+1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fi_f (scalbn, -min_value * 1.5, -MANT_DIG+1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fi_f (scalbn, min_value, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fi_f (scalbn, -min_value, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fi_f (scalbn, min_value * 1.5, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fi_f (scalbn, -min_value * 1.5, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fi_f (scalbn, min_value * 1.5, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fi_f (scalbn, -min_value * 1.5, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fi_f (scalbn, min_value * 1.5, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fi_f (scalbn, -min_value * 1.5, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fi_f (scalbn, min_value * 1.25, -MANT_DIG+1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fi_f (scalbn, -min_value * 1.25, -MANT_DIG+1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fi_f (scalbn, min_value * 1.5, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fi_f (scalbn, -min_value * 1.5, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fi_f (scalbn, min_value * 1.25, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fi_f (scalbn, -min_value * 1.25, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fi_f (scalbn, min_value * 1.25, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fi_f (scalbn, -min_value * 1.25, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fi_f (scalbn, min_value * 1.25, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fi_f (scalbn, -min_value * 1.25, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fi_f (scalbn, min_value * 1.25, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fi_f (scalbn, -min_value * 1.25, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
 
     TEST_fi_f (scalbn, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
     TEST_fi_f (scalbn, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
@@ -11832,27 +11832,27 @@ static const struct test_fl_f_data scalbln_test_data[] =
     TEST_fl_f (scalbln, -min_value * 0x0.ffffp0, 0, -min_value * 0x0.ffffp0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fl_f (scalbln, min_subnorm_value, 0, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fl_f (scalbln, -min_subnorm_value, 0, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fl_f (scalbln, min_subnorm_value, MANT_DIG-1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fl_f (scalbln, -min_subnorm_value, MANT_DIG-1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fl_f (scalbln, min_subnorm_value, MANT_DIG - 1, min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fl_f (scalbln, -min_subnorm_value, MANT_DIG - 1, -min_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
 
-    TEST_fl_f (scalbln, min_value, -MANT_DIG+1, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
-    TEST_fl_f (scalbln, -min_value, -MANT_DIG+1, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fl_f (scalbln, min_value, -MANT_DIG + 1, min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+    TEST_fl_f (scalbln, -min_value, -MANT_DIG + 1, -min_subnorm_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
     TEST_fl_f (scalbln, min_value, -MANT_DIG, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
     TEST_fl_f (scalbln, -min_value, -MANT_DIG, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fl_f (scalbln, min_value, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fl_f (scalbln, -min_value, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG+1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG+1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fl_f (scalbln, min_value, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fl_f (scalbln, -min_value, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
-    TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG+1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG+1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fl_f (scalbln, min_value * 1.5, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fl_f (scalbln, -min_value * 1.5, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG + 1, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
+    TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG + 1, -min_subnorm_value * 2, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, plus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
     TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, -min_subnorm_value, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION, minus_zero, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION),
-    TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG-1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
-    TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG-1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
+    TEST_fl_f (scalbln, min_value * 1.25, -MANT_DIG - 1, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),
+    TEST_fl_f (scalbln, -min_value * 1.25, -MANT_DIG - 1, minus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_MINUS_UFLOW),
 
     TEST_fl_f (scalbln, 1, INT_MAX, plus_oflow, INEXACT_EXCEPTION|OVERFLOW_EXCEPTION|ERRNO_PLUS_OFLOW),
     TEST_fl_f (scalbln, 1, INT_MIN, plus_uflow, INEXACT_EXCEPTION|UNDERFLOW_EXCEPTION|ERRNO_PLUS_UFLOW),