Fix units in denominator without exponents not being inverted

Signed-off-by: Joseph Elliott Hand <jhand@hawaii.edu>

1 files changed, 4 insertions, 4 deletions

diff --git a/unit.h b/unit.h
index fdb5a9a..a4c8b9d 100644
--- a/unit.h
+++ b/unit.h
@@ -169,7 +169,7 @@ get_unit_value(char const * string) {
 
 	for (; i < token_count;) {
 		if (tokens[i].type == ONE) {
-			if (i == 0 && tokens[1].type == SLASH) {
+			if (i == 0 && token_count > 1 && tokens[1].type == SLASH) {
 				exp_sign = -1.0;
 				i += 2;
 				continue;
@@ -241,13 +241,13 @@ get_unit_value(char const * string) {
 
 	unit_found:
 
-		if (tokens[i + 1].type != EXP) {
-			value *= unit_value;
+		if (token_count <= i+1 || tokens[i + 1].type != EXP) {
+			value *= pow(unit_value, exp_sign);
 			i += 1;
 			continue;
 		}
 
-		if (tokens[i + 2].type != NUMBER) goto error;
+		if (token_count <= i+2 || tokens[i + 2].type != NUMBER) goto error;
 
 		value *= pow(unit_value, exp_sign * tokens[i + 2].value.num);
 		i += 3;