[git] CMU Common Lisp branch master updated. snapshot-2014-09-12-g2451162

[Raymond Toy]

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      from  32ad743155af81b7c3e2ee31726272a85e8f3247 (commit)

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- Log -----------------------------------------------------------------
commit 24511623e8c3ba1752339d2613bbd18ef27859b0
Author: Raymond Toy <toy.raymond at gmail.com>
Date:   Sat Sep 20 13:50:47 2014 -0700

    Add fdlibm's log10.
    
     * src/code/irrat.lisp:
       * Define %log10 to use fdlibm's log10
     * src/lisp/GNUmakefile
       * Compile e_log10
     * tests/trig.lisp
       * Add tests for %log10.

diff --git a/src/code/irrat.lisp b/src/code/irrat.lisp
index 2591907..61d4314 100644
--- a/src/code/irrat.lisp
+++ b/src/code/irrat.lisp
@@ -81,7 +81,7 @@
 ;;; Exponential and Logarithmic.
 (def-math-rtn ("__ieee754_exp" %exp) 1)
 (def-math-rtn ("__ieee754_log" %log) 1)
-(def-math-rtn "log10" 1)
+(def-math-rtn ("__ieee754_log10" %log10) 1)
 
 (def-math-rtn ("__ieee754_pow" %pow) 2)
 #-(or x86 sparc-v7 sparc-v8 sparc-v9)
diff --git a/src/lisp/GNUmakefile b/src/lisp/GNUmakefile
index c557d3b..d0d6104 100644
--- a/src/lisp/GNUmakefile
+++ b/src/lisp/GNUmakefile
@@ -12,6 +12,7 @@ FDLIBM = k_sin.c k_cos.c k_tan.c s_sin.c s_cos.c s_tan.c sincos.c \
 	e_acosh.c s_asinh.c e_atanh.c \
 	e_atan2.c \
 	e_rem_pio2.c k_rem_pio2.c \
+	e_log10.c \
 	setexception.c
 
 SRCS = lisp.c coreparse.c alloc.c monitor.c print.c interr.c \
diff --git a/tests/trig.lisp b/tests/trig.lisp
index 861a298..cdebe39 100644
--- a/tests/trig.lisp
+++ b/tests/trig.lisp
@@ -1006,3 +1006,24 @@
   (assert-true (ext:float-nan-p (kernel:%atan *qnan*)))
   (kernel::with-float-traps-masked (:invalid)
     (assert-true (ext:float-nan-p (kernel:%atan *snan*)))))
+
+(define-test %log10.exceptions
+  (:tag :fdlibm)
+  ;; %log10(2^k) = k
+  (dotimes (k 23)
+    (assert-equalp k
+		  (kernel:%log10 (float (expt 10 k) 1d0))))
+  (assert-error 'division-by-zero
+		(kernel:%log10 0d0))
+  (assert-error 'floating-point-invalid-operation
+		(kernel:%log10 -1d0))
+  (assert-true (ext:float-nan-p (kernel:%log10 *qnan*)))
+  (assert-equal ext:double-float-positive-infinity
+		(kernel:%log10 ext:double-float-positive-infinity))
+  (kernel::with-float-traps-masked (:divide-by-zero)
+    (assert-equal ext:double-float-negative-infinity
+		  (kernel:%log10 0d0))
+    (assert-equal ext:double-float-negative-infinity
+		  (kernel:%log10 -0d0)))
+  (kernel::with-float-traps-masked (:invalid)
+    (assert-true (ext:float-nan-p (kernel:%log10 -1d0)))))

-----------------------------------------------------------------------

Summary of changes:
 src/code/irrat.lisp  |    2 +-
 src/lisp/GNUmakefile |    1 +
 tests/trig.lisp      |   21 +++++++++++++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)


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