[seed] More rounding functions

[Tim Horton <hortont src gnome org>]

commit d31406898690806d151375ab0fffdabb05acdaa9
Author: Matt ARSENAULT <arsenm2 rpi edu>
Date:   Sun Jul 5 18:15:57 2009 -0400

    More rounding functions

 modules/mpfr/seed-mpfr-arithmetic.c |  120 +++++++++++++++++++++++++++++++++++
 modules/mpfr/seed-mpfr.c            |    4 +
 modules/mpfr/seed-mpfr.h            |    5 ++
 3 files changed, 129 insertions(+), 0 deletions(-)
---
diff --git a/modules/mpfr/seed-mpfr-arithmetic.c b/modules/mpfr/seed-mpfr-arithmetic.c
index 9486d15..a6caae9 100644
--- a/modules/mpfr/seed-mpfr-arithmetic.c
+++ b/modules/mpfr/seed-mpfr-arithmetic.c
@@ -391,3 +391,123 @@ SeedValue seed_mpfr_trunc (SeedContext ctx,
     return seed_value_from_int(ctx, ret, exception);
 }
 
+SeedValue seed_mpfr_rint_ceil (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.rint_ceil", 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.rint_ceil", "mpfr_t");
+    }
+
+    ret = mpfr_rint_ceil(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
+SeedValue seed_mpfr_rint_floor (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.rint_floor", 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.rint_floor", "mpfr_t");
+    }
+
+    ret = mpfr_rint_floor(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
+SeedValue seed_mpfr_rint_round (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.rint_round", 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.rint_round", "mpfr_t");
+    }
+
+    ret = mpfr_rint_round(rop, op, rnd);
+
+    return seed_value_from_int(ctx, ret, exception);
+}
+
+SeedValue seed_mpfr_rint_trunc (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.rint_trunc", 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.rint_trunc", "mpfr_t");
+    }
+
+    ret = mpfr_rint_trunc(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 194ecd0..44794f2 100644
--- a/modules/mpfr/seed-mpfr.c
+++ b/modules/mpfr/seed-mpfr.c
@@ -636,6 +636,10 @@ seed_static_function mpfr_funcs[] =
     {"floor", seed_mpfr_floor, 0},
     {"round", seed_mpfr_round, 0},
     {"trunc", seed_mpfr_trunc, 0},
+    {"rint_ceil", seed_mpfr_rint_ceil, 0},
+    {"rint_floor", seed_mpfr_rint_floor, 0},
+    {"rint_round", seed_mpfr_rint_round, 0},
+    {"rint_trunc", seed_mpfr_rint_trunc, 0},
     {"dim", seed_mpfr_dim, 0},
     {"sin", seed_mpfr_sin, 0},
     {"cos", seed_mpfr_cos, 0},
diff --git a/modules/mpfr/seed-mpfr.h b/modules/mpfr/seed-mpfr.h
index e96aa6d..d7a7790 100644
--- a/modules/mpfr/seed-mpfr.h
+++ b/modules/mpfr/seed-mpfr.h
@@ -64,6 +64,11 @@ DEF_SEED_MPFR_FUNC(seed_mpfr_floor);
 DEF_SEED_MPFR_FUNC(seed_mpfr_round);
 DEF_SEED_MPFR_FUNC(seed_mpfr_trunc);
 
+DEF_SEED_MPFR_FUNC(seed_mpfr_rint_ceil);
+DEF_SEED_MPFR_FUNC(seed_mpfr_rint_floor);
+DEF_SEED_MPFR_FUNC(seed_mpfr_rint_round);
+DEF_SEED_MPFR_FUNC(seed_mpfr_rint_trunc);
+
 DEF_SEED_MPFR_FUNC(seed_mpfr_add);
 DEF_SEED_MPFR_FUNC(seed_mpfr_sin);
 DEF_SEED_MPFR_FUNC(seed_mpfr_cos);