From b28167928d2722e8774da3fce8b3307a0fa27245 Mon Sep 17 00:00:00 2001
From: Siva Chandra Reddy <sivachandra@google.com>
Date: Wed, 3 Jun 2020 22:39:34 -0700
Subject: [PATCH] [libc][NFC] Add ceil[f], floor[f] and trunc[f] to the spec
 and config files.

---
 libc/config/linux/api.td                 |  6 ++++++
 libc/config/linux/x86_64/entrypoints.txt | 10 +++++++++-
 libc/spec/stdc.td                        |  9 +++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/libc/config/linux/api.td b/libc/config/linux/api.td
index d45be84..4259fd7 100644
--- a/libc/config/linux/api.td
+++ b/libc/config/linux/api.td
@@ -149,14 +149,20 @@ def MathAPI : PublicAPI<"math.h"> {
     FloatT,
   ];
   let Functions = [
+   "ceil",
+   "ceilf",
    "cosf",
    "fabs",
    "fabsf",
+   "floor",
+   "floorf",
    "expf",
    "exp2f",
    "round",
    "sincosf",
    "sinf",
+   "trunc",
+   "truncf",
   ];
 }
 
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 2f79d7f..54fe783 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -42,8 +42,16 @@ set(LIBC_ENTRYPOINTS
 
 set(LIBM_ENTRYPOINTS
     # math.h entrypoints
+    libc.src.math.ceil
+    libc.src.math.ceilf
     libc.src.math.cosf
+    libc.src.math.expf
+    libc.src.math.exp2f
+    libc.src.math.floor
+    libc.src.math.floorf
     libc.src.math.round
     libc.src.math.sincosf
     libc.src.math.sinf
-)
\ No newline at end of file
+    libc.src.math.trunc
+    libc.src.math.truncf
+)
diff --git a/libc/spec/stdc.td b/libc/spec/stdc.td
index 4e6bfbf..077dc21 100644
--- a/libc/spec/stdc.td
+++ b/libc/spec/stdc.td
@@ -187,9 +187,15 @@ def StdC : StandardSpec<"stdc"> {
       ],
       [], // Enumerations
       [
+          FunctionSpec<"ceil", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
+          FunctionSpec<"ceilf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
+
           FunctionSpec<"fabs", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
           FunctionSpec<"fabsf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
 
+          FunctionSpec<"floor", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
+          FunctionSpec<"floorf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
+
           FunctionSpec<"cosf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
           FunctionSpec<"sinf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
 
@@ -197,6 +203,9 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"exp2f", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
 
           FunctionSpec<"round", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
+
+          FunctionSpec<"trunc", RetValSpec<DoubleType>, [ArgSpec<DoubleType>]>,
+          FunctionSpec<"truncf", RetValSpec<FloatType>, [ArgSpec<FloatType>]>,
       ]
   >;
 
-- 
2.7.4