[Mesa-dev] [PATCH] glsl: Use INFINITY instead of std::numeric_limits<float>::infinity().

[Matt Turner]

---
 src/glsl/builtin_functions.cpp | 4 ++--
 src/glsl/s_expression.cpp      | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index c607572..524b8d6 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -60,7 +60,7 @@
 #include "ir_builder.h"
 #include "glsl_parser_extras.h"
 #include "program/prog_instruction.h"
-#include <limits>
+#include <math.h>
 
 #define M_PIf   ((float) M_PI)
 #define M_PI_2f ((float) M_PI_2)
@@ -3215,7 +3215,7 @@ builtin_builder::_isinf(builtin_available_predicate avail, const glsl_type *type
 
    ir_constant_data infinities;
    for (int i = 0; i < type->vector_elements; i++) {
-      infinities.f[i] = std::numeric_limits<float>::infinity();
+      infinities.f[i] = INFINITY;
    }
 
    body.emit(ret(equal(abs(x), imm(type, infinities))));
diff --git a/src/glsl/s_expression.cpp b/src/glsl/s_expression.cpp
index 7eaa491..f82e155 100644
--- a/src/glsl/s_expression.cpp
+++ b/src/glsl/s_expression.cpp
@@ -23,8 +23,8 @@
  */
 
 #include <assert.h>
-#include <limits>
 #include <stdio.h>
+#include <math.h>
 #include "s_expression.h"
 
 s_symbol::s_symbol(const char *str, size_t n)
@@ -70,7 +70,7 @@ read_atom(void *ctx, const char *&src, char *&symbol_buffer)
    // requires strtof to parse '+INF' as +Infinity, but we still support some
    // non-C99-compliant compilers (e.g. MSVC).
    if (n == 4 && strncmp(src, "+INF", 4) == 0) {
-      expr = new(ctx) s_float(std::numeric_limits<float>::infinity());
+      expr = new(ctx) s_float(INFINITY);
    } else {
       // Check if the atom is a number.
       char *float_end = NULL;
-- 
2.0.5