[seed] [mpfr] log functions

[Tim Horton <hortont src gnome org>]

commit 1acdc8bb40cf8270de9c641c6b4575a13cc9d3cf
Author: Matt ARSENAULT <arsenm2 rpi edu>
Date:   Sun Jul 5 02:20:45 2009 -0400

    [mpfr] log functions

 modules/mpfr/seed-mpfr-trig.c |   93 +++++++++++++++++++++++++++++++++++++++++
 modules/mpfr/seed-mpfr.c      |    3 +
 modules/mpfr/seed-mpfr.h      |    4 ++
 3 files changed, 100 insertions(+), 0 deletions(-)
---
diff --git a/modules/mpfr/seed-mpfr-trig.c b/modules/mpfr/seed-mpfr-trig.c
index 21e4e15..f392a20 100644
--- a/modules/mpfr/seed-mpfr-trig.c
+++ b/modules/mpfr/seed-mpfr-trig.c
@@ -274,3 +274,96 @@ SeedValue seed_mpfr_atan (SeedContext ctx,
     return seed_value_from_int(ctx, ret, exception);
 }
 
+
+/* log functions */
+
+SeedValue seed_mpfr_log (SeedContext ctx,
+                         SeedObject function,
+                         SeedObject this_object,
+                         gsize argument_count,
+                         const SeedValue args[],
+                         SeedException * exception)
+{
+    mpfr_rnd_t rnd;
+    mpfr_ptr rop, op;
+    gint ret;
+
+    CHECK_ARG_COUNT("mpfr.log", 2);
+
+    rop = seed_object_get_private(this_object);
+    rnd = seed_value_to_mpfr_rnd_t(ctx, args[1], exception);
+
+    if ( seed_value_is_object_of_class(ctx, args[0], mpfr_class) )
+    {
+        op = seed_object_get_private(args[0]);
+    }
+    else
+    {
+        TYPE_EXCEPTION("mpfr.log", "mpfr_t");
+    }
+
+    ret = mpfr_log(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
+SeedValue seed_mpfr_log2 (SeedContext ctx,
+                          SeedObject function,
+                          SeedObject this_object,
+                          gsize argument_count,
+                          const SeedValue args[],
+                          SeedException * exception)
+{
+    mpfr_rnd_t rnd;
+    mpfr_ptr rop, op;
+    gint ret;
+
+    CHECK_ARG_COUNT("mpfr.log2", 2);
+
+    rop = seed_object_get_private(this_object);
+    rnd = seed_value_to_mpfr_rnd_t(ctx, args[1], exception);
+
+    if ( seed_value_is_object_of_class(ctx, args[0], mpfr_class) )
+    {
+        op = seed_object_get_private(args[0]);
+    }
+    else
+    {
+        TYPE_EXCEPTION("mpfr.log2", "mpfr_t");
+    }
+
+    ret = mpfr_log2(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
+SeedValue seed_mpfr_log10 (SeedContext ctx,
+                           SeedObject function,
+                           SeedObject this_object,
+                           gsize argument_count,
+                           const SeedValue args[],
+                           SeedException * exception)
+{
+    mpfr_rnd_t rnd;
+    mpfr_ptr rop, op;
+    gint ret;
+
+    CHECK_ARG_COUNT("mpfr.log10", 2);
+
+    rop = seed_object_get_private(this_object);
+    rnd = seed_value_to_mpfr_rnd_t(ctx, args[1], exception);
+
+    if ( seed_value_is_object_of_class(ctx, args[0], mpfr_class) )
+    {
+        op = seed_object_get_private(args[0]);
+    }
+    else
+    {
+        TYPE_EXCEPTION("mpfr.log10", "mpfr_t");
+    }
+
+    ret = mpfr_log10(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
diff --git a/modules/mpfr/seed-mpfr.c b/modules/mpfr/seed-mpfr.c
index 62ec8fb..5763a73 100644
--- a/modules/mpfr/seed-mpfr.c
+++ b/modules/mpfr/seed-mpfr.c
@@ -340,6 +340,9 @@ seed_static_function mpfr_funcs[] =
     {"csc", seed_mpfr_csc, 0},
     {"sec", seed_mpfr_sec, 0},
     {"cot", seed_mpfr_cot, 0},
+    {"log", seed_mpfr_log, 0},
+    {"log2", seed_mpfr_log2, 0},
+    {"log10", seed_mpfr_log10, 0},
     {"set", seed_mpfr_set, 0},
     {"out_str", seed_mpfr_out_str, 0},
     {"pi", seed_mpfr_const_pi, 0},
diff --git a/modules/mpfr/seed-mpfr.h b/modules/mpfr/seed-mpfr.h
index 24109e7..4cf4d97 100644
--- a/modules/mpfr/seed-mpfr.h
+++ b/modules/mpfr/seed-mpfr.h
@@ -67,5 +67,9 @@ DEF_SEED_MPFR_FUNC(seed_mpfr_asin);
 DEF_SEED_MPFR_FUNC(seed_mpfr_acos);
 DEF_SEED_MPFR_FUNC(seed_mpfr_atan);
 
+DEF_SEED_MPFR_FUNC(seed_mpfr_log);
+DEF_SEED_MPFR_FUNC(seed_mpfr_log2);
+DEF_SEED_MPFR_FUNC(seed_mpfr_log10);
+
 #endif      /* _SEED_MFPR_H_ */