[clinfo] 41/55: Correctly-rounded div and sqrt is only a flag for fp32

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository clinfo.

commit 2749190444945fadc6c86fe0e93108beff5748d6
Author: Giuseppe Bilotta <giuseppe.bilotta at gmail.com>
Date:   Wed Oct 25 15:20:45 2017 +0200

    Correctly-rounded div and sqrt is only a flag for fp32
---
 src/clinfo.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/clinfo.c b/src/clinfo.c
index bbc697c..b65828e 100644
--- a/src/clinfo.c
+++ b/src/clinfo.c
@@ -1532,7 +1532,14 @@ int device_info_fpconf(cl_device_id dev, cl_device_info param, const char *pname
 			szval += sprintf(strbuf, "(%s)", why);
 		}
 		if (get_it) {
-			for (i = 0; i < fp_conf_count; ++i) {
+			/* The last flag, CL_FP_CORRECTLY_ROUNDED_DIVIDE_SQRT is only considered
+			 * in the single-precision case. half and double don't consider it,
+			 * so we skip it altogether */
+			size_t num_flags = fp_conf_count;
+			if (param != CL_DEVICE_SINGLE_FP_CONFIG)
+				num_flags -= 1;
+
+			for (i = 0; i < num_flags; ++i) {
 				cl_device_fp_config cur = (cl_device_fp_config)(1) << i;
 				if (output_mode == CLINFO_HUMAN) {
 					szval += sprintf(strbuf + szval, "\n%s" I2_STR "%s",

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