[seed] [mpfr] Added mpfr.root

[Tim Horton <hortont src gnome org>]

commit 851a5a6506f87c37c1b41a8ad304eb60cc1cb162
Author: Matt ARSENAULT <arsenm2 rpi edu>
Date:   Wed Jul 8 18:33:25 2009 -0400

    [mpfr] Added mpfr.root

 modules/mpfr/seed-mpfr-arithmetic.c |   41 +++++++++++++++++++++++++++++++++++
 modules/mpfr/seed-mpfr.c            |    1 +
 modules/mpfr/seed-mpfr.h            |    1 +
 3 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/modules/mpfr/seed-mpfr-arithmetic.c b/modules/mpfr/seed-mpfr-arithmetic.c
index c71bbf9..fba6205 100644
--- a/modules/mpfr/seed-mpfr-arithmetic.c
+++ b/modules/mpfr/seed-mpfr-arithmetic.c
@@ -337,6 +337,47 @@ SeedValue seed_mpfr_sqr (SeedContext ctx,
     return seed_value_from_int(ctx, ret, exception);
 }
 
+SeedValue seed_mpfr_root (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;
+    gulong k;
+
+    CHECK_ARG_COUNT("mpfr.root", 3);
+
+    rop = seed_object_get_private(this_object);
+    rnd = seed_value_to_mpfr_rnd_t(ctx, args[2], exception);
+
+    if ( seed_value_is_object_of_class(ctx, args[0], mpfr_class) )
+    {
+        op = seed_object_get_private(args[0]);
+    }
+    else
+    {
+        TYPE_EXCEPTION("mpfr.root", "mpfr_t");
+    }
+
+    if ( seed_value_is_number(ctx, args[1]) )
+    {
+        k = seed_value_to_ulong(ctx, args[1], exception);
+    }
+    else
+    {
+        TYPE_EXCEPTION("mpfr.root", "unsigned long int");
+    }
+
+
+    ret = mpfr_root(rop, op, k, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
 SeedValue seed_mpfr_cbrt (SeedContext ctx,
                           SeedObject function,
                           SeedObject this_object,
diff --git a/modules/mpfr/seed-mpfr.c b/modules/mpfr/seed-mpfr.c
index cb67d85..dd9eba9 100644
--- a/modules/mpfr/seed-mpfr.c
+++ b/modules/mpfr/seed-mpfr.c
@@ -992,6 +992,7 @@ seed_static_function mpfr_funcs[] =
     {"div", seed_mpfr_div, 0},
     {"sqrt", seed_mpfr_sqrt, 0},
     {"sqr", seed_mpfr_sqr, 0},
+    {"root", seed_mpfr_root, 0},
     {"rec_sqrt", seed_mpfr_rec_sqrt, 0},
     {"cbrt", seed_mpfr_cbrt, 0},
     {"neg", seed_mpfr_neg, 0},
diff --git a/modules/mpfr/seed-mpfr.h b/modules/mpfr/seed-mpfr.h
index 833b6b1..2ea3c4b 100644
--- a/modules/mpfr/seed-mpfr.h
+++ b/modules/mpfr/seed-mpfr.h
@@ -121,6 +121,7 @@ DEF_SEED_MPFR_FUNC(seed_mpfr_atanh);
 
 DEF_SEED_MPFR_FUNC(seed_mpfr_sqrt);
 DEF_SEED_MPFR_FUNC(seed_mpfr_sqr);
+DEF_SEED_MPFR_FUNC(seed_mpfr_root);
 DEF_SEED_MPFR_FUNC(seed_mpfr_rec_sqrt);
 DEF_SEED_MPFR_FUNC(seed_mpfr_cbrt);